OSP-P20L Alarm and Error List (Alarm C)-1

ALARM & ERROR LIST (Alarm C)

3700 Power save mode
In automatic operation mode, when single block is OFF and program non-execution state has continued for longer than the set time,
the machine enters power save state. The time is set at machine user parameter POWER SAVE 2. Power save time.
(Unit: minute, initial value: 30)
[Code]
Set time, hexadecimal number in minutes
Operation example: After program execution ends, the next cycle is not started after the set time has elapsed.
During continuous operation, an alarm occurs and operation stops, and no operation is performed after the set time has elapsed.
[Measures to Take]
System reset.

3701 CPU temperature rise
Ambient temperature of the CPU in the control cabinet has risen. (I/O check No. 24 input bit Bit C iTMA/)
[Code] 1
[Probable Fault Cause]
1) Cooler unit is clogged.
2) Cooling fan motor does not operate.
3) Control cabinet is exposed to direct sunlight.
4) Defective temperature sensor.

3702 Warm-up operation
Warm-up operation cannot be performed.
[Code]
1->There is no warm-up operation program (W.WAF).
2->There is a calendar timer signal other than power-on.
3->When executing the warm-up program, the mode is not automatic operation mode.
Or, machine lock, single block, or A/B individual operation is active.
4->Door is open.
5->Turret is not at the limit position.
6->Turret is not at the designated position.
7->Loader is not outside the machine.
9->Robot is not outside the machine.
10->Interlocked equipment is not outside the machine.
11->Automatic start was attempted when the machine is not at the initial
position.
12->When ATC position (P4) of machine user parameters is enabled (ON),
ATC position (P4) is not at the position specified by ATC
specifications.
[Probable Fault Cause]
Calendar timer switch or warm-up operation program (W.WAF).
Operation example: After NC power-on operation, the calendar timer switch is turned ON.
[Measures to Take]
Turn OFF the calendar timer switch. Check whether the warm-up program (W.WAF) exists and is correct.
[Related Specifications]
Calendar timer

3703 Oil filter
The filter of the hydraulic unit is clogged, and the pressure switch ON state has continued for 2 seconds or longer.
[Code] 1
[Probable Fault Cause]
1) Filter is clogged.
2) Fan motor has stopped.
[Measures to Take]
1) Clean the filter.
2) Fan motor is contaminated with oil.
3) Fan motor failure.

3704 Lubrication oil flow
Guideway lubrication oil has not flowed even once after lube pump motor ON time + lube motor OFF time.
[Code]
1->Guideway lubrication oil flow input signal does not turn ON (I/O check No. 25 Bit F iBOF).
2->Guideway lubrication oil flow input signal does not turn OFF (I/O check No. 25 Bit F iBOF).
3->XS-axis guideway lubrication oil has not flowed even once after XS lube motor ON time + 10 seconds.
(-05/2001)
XS-axis lubrication oil flow input signal has never been
ON.(05/2001-)
4->[Stesdy rest types]
Steady rest lubrication oil flow input signal does not turn OFF.
[CAM lathe types]
XS-axis lubrication oil flow input signal has never been
OFF.
5->Steady rest lubrication oil flow input signal does not turn ON.
7->XS-axis lubrication oil flow input signal has never been
OFF.
[Probable Fault Cause]
1) Lubrication pump failure
2) Clogging
3) Broken lubrication oil pipe

3705 Lubrication oil level
Guideway lubrication oil level in the tank is low. Low oil level condition has continued for 2 seconds or longer.
(I/O check No. 25 Bit E iBOL)
[Code]
1->Guideway lubrication oil level is low. Low oil level condition has continued for 2 seconds or longer
(I/O check No. 25 Bit E iBOL).
2->Lubrication oil level lowest limit switch remains OFF for 2 seconds or longer.
[CAM lathe types]
The input signal of oil level in the XS-axis lubrication
tankcoolant is ON which is longer than 2 second.
3->Lubrication oil level uppermost limit switch remains OFF for 2 seconds or longer.
4->Lubrication oil level lower limit switch remains OFF for 2 seconds or longer.
5->Lubrication oil low input remains ON for 2 seconds or longer.
6->Low oil level input (I/O check No. 34 Bit 0 iCOL) remains OFF for 2 seconds or longer.
7->XS-axis lubrication oil low level input remains OFF for 2 seconds or longer.
8->Low oil level input remains OFF for 2 seconds or longer.
9->M-tool spindle motor lubrication oil is low.
10->Steady rest lubrication oil is low. Low oil level input remains OFF for 2 seconds or longer.
[Probable Fault Cause]
Insufficient guideway lubrication oil
[Measures to Take]
Replenish guideway lubrication oil.

3706 Spindle lube oil pressure
Spindle lube oil pressure drop condition has continued for 2 seconds or longer.
(I/O check No. 24 Bit 1 iSOA; this check is not performed for 8 seconds after system reset).
[Code] 1
2->M-spindle lubrication oil level low limit switch has been OFF for 2 seconds or longer.
[Probable Fault Cause]
1) Spindle lube pump failure, insufficient oil level
2) Defective pressure switch

3707 Oil cooler unit
Abnormality occurred in the cooler unit for spindle headstock oil cooling or M-axis oil cooling.
[Code]
None->The 1st spindle oil cooler unit error signal or 2nd spindle oil cooler unit error signal turned OFF.
1->The M-spindle oil cooler unit error signal turned OFF.
2->The cooling oil low level signal for the spindle cooler unit turned OFF.
3->The cooling oil flow error switch for the spindle cooler unit turned OFF.
4->The cooling oil temperature error switch for the spindle cooler unit turned OFF.
5->Spindle cooler unit pressure low / signal switch is OFF.
6->M axis oil-cooler pressure low/ switch is OFF.
[Probable Fault Cause]
1) Failure of cooler unit for spindle headstock oil cooling.
I/O check No. 24 Bit 6 iOCA/ (1st spindle)
I/O check No. 32 Bit E i2OCA/ (2nd spindle)
2) Failure of M-spindle oil cooler unit.
I/O check No. 34 Bit 8 iMOCAL/

3708 Oil cooler error
Abnormality occurred in the cooler for the hydrostatic hydraulic unit.
[Code] 1
[Probable Fault Cause]
Failure of the pump inside the hydrostatic hydraulic unit

3709 Coolant level
Coolant is low or overflowing.
[Code]
None->Coolant low signal (I/O check No. 34 Bit 0 iCOL/) has remained OFF for 1 second or longer.
1->Coolant high level switch (I/O check No. 35 Bit E iCOLOV/) has remained OFF for 1 second or longer.
2->Coolant lower limit switch (I/O check No. 43 Bit AiCLLST/) has remained OFF for 1 second or longer.
3->Coolant overflow switch (I/O check No. 43 Bit B iCLOF/) has remained OFF for 1 second or longer.
4->Coolant level upper limit switch (I.035F) has remained OFF for 1 second or longer.
5->Coolant level lower limit switch (I.035E) has remained OFF for 1 second or longer.
6->Coolant ON signal of the high-pressure coolant unit is not received until after the parameter-set time has elapsed.
7->Coolant low signal (I/O check No. 34 Bit 0 iCOL) has remained ON for 1 second or longer.
8->Coolant low signal (I/O check No. 24 Bit 3 iCOL) has remained ON for 1 second or longer.
9->Coolant lower limit switch (I/O check No. 36 Bit 6 iCOLLO/) has remained ON for 1 second or longer.
10->Oil mist low signal (I/O check No. 36 Bit A iOMCL/) has remained OFF for 1 second or longer.
11->Coolant lower limit switch (I/O check No. 36 Bit 9 iCLLD/) has remained OFF for 1 second or longer.
12->Coolant lower limit switch (I/O check No. 36 Bit A iCOLL/) has remained OFF for 1 second or longer.
13->Oil mist unit coolant lower limit switch (I/O check No. 36 Bit 9 iOMCL/) has remained OFF for 1 second or
longer.
14->Coolant low signal (iCLLOWL/) has remained OFF for 1 second or longer.
15->Coolant in the oil mist unit is low.
16->Coolant overflow signal of the machine coolant reservoir has remained OFF for 1 second or longer.
17->Coolant lower limit signal of the machine coolant reservoir has remained OFF for 1 second or longer.
18->Coolant lower limit signal of the auxiliary coolant reservoir has remained OFF for 1 second or longer.
19->Coolant lower limit signal of the machine coolant reservoir has remained OFF for 30 seconds or longer.
20->Coolant lower limit signal (I/O check No. 36 Bit 6 iDCOLLO/) has remained OFF for 1 second or longer.
21->Oil mist unit coolant lower limit signal (I/O check No. 36 Bit 9 iCOLL/) has remained OFF for 1 second or
longer.
22->R-side coolant low switch (I/O check No. 21 Bit C iCOL/) has remained OFF for 1 second or longer.
23->L-side coolant low switch (I/O check No. 21 Bit F i2COL/) has remained OFF for 1 second or longer.
24->Coolant low switch (I/O check No. 34 Bit 0 iCOL/) has remained OFF for 1 second or longer.
25->Oil in the oil mist unit for turret A is low.
26->Oil in the oil mist unit for turret B is low.
29->Coolant low switch has remained OFF for 1 second or longer.
30->Transfer tank upper limit switch has remained ON for 2 seconds or longer.
31->Transfer tank lower limit switch has remained ON for 2 seconds or longer.
32->Separator tank lower limit switch has remained ON for 2 seconds or longer.
33->Dirty coolant tank coolant high level signal (iDTHIL/) is OFF.
34->Clean coolant tank coolant high level signal (iCTHIL/) is OFF.
35->Clean coolant tank coolant low level signal (iCTLOL/) is OFF.
36->Coolant level of the coolant filter is low.
High level signal (iFCHIL/) is OFF.
37->After program end (M02/M30), the coolant low switch has remained OFF
for the parameter-set time.
38->Coolant low signal of the machine and additional coolant tank
has remained OFF for 1 second or longer.
39->Trouble occurred in the machine coolant level
switch.
40->Trouble occurred in the additional coolant level
switch.
41->Alcohl tank level lower limit.
[Probable Fault Cause]
1) Coolant level
2) Float switch position
3) Float switch failure
For code 36->Coolant filter clogged.
High-level switch failure.
[Remedy]
1) Replenish coolant.
2) Check the float switch.
3) Replace the float switch.
For code 36->Replace the coolant filter.
Replace the coolant high-level switch.

3710 Air blow pressure abnormal
Pressure is too low. The alarm occurs when air pressure drops for more than the set time (2 s).
[Probable Fault Cause]
1) SS16 input, strobe 4, bit 0 is OFF.
2) Air leakage

3711 Air source pressure abnormal
[Code]
None->Supply air pressure dropped.
1->Supply air pressure for the oil mist unit is low.
2->Air pressure for fixture clamp and tailstock tilt detection is low.
[Probable Fault Cause]
Supply air pressure dropped. (I/O check No. 24 bit 5 iARW/ (b-contact) is OFF.)

3712 Program select
With external program select specifications, the selected program number does not exist during program select.
Or, program select was attempted while the loader was operating.
[Code]
1->Selected program does not exist.
2->Program select was executed while the loader was operating.
3->Program number is not within the range of 0 to 9999 (BCD).
4->Not in loader program operation mode.
5->With tailstock absolute position encoder specifications, the changeover number corresponding to the selected program number is set to ”0″ during program select for P0001.MIN to P0099.MIN.
6->With tailstock absolute position encoder specifications, the selected program number changeover output does not match the program changeover response from the absolute position encoder controller during program select.
7->External program select (2-digit digital switch) was executed when the mode select switch was not set to 1 cycle.
8->With tailstock absolute position encoder automatic program select specifications, program select was executed by the switch while interlocking is ON.
9->Program select was executed when not in automatic operation mode.
10->The selected loader program file, loader program, or point data file does not exist.
11->Program select was executed while a loader alarm was active.
12->The program search button for program select was pressed while the program select enable/disable switch was set to disabled.
[Probable Fault Cause]
Operation error
Select a correct program number.

3713 Chip conveyor overload
On machines with CE mark specifications, the chip conveyor overload function is enabled.
If MC USER PARAMETER (Chip conveyor) No. 19 is set to ”1″: ”1. Chip conveyor overload alarm-D”, alarm D 4701 Chip conveyor overload occurs instead of this alarm.
[Probable Fault Cause]
Chip conveyor motor is overloaded.
[Remedy]
Check if the chip conveyor is clogged with chips.

3714 ZA-axis overload
The Z-axis of the A-turret has exceeded the overload limit value set on the load detection relay.
Load detection relays for each axis are installed on the operation panel.
[Probable Fault Cause]
Program from the overload detection ON (M135) block to the detection OFF (M134) block, or an operation commanded in these blocks.
Program example:
*N100 M135
N101 G01
:
*N199 M134
*_*Overload detection is effective only in these blocks.
[Remedy]
Reduce the depth of cut or other cutting parameters in the program to reduce the load.
[Related Specifications]
Overload detection

3715 ZB-axis overload
The Z-axis of the B-turret has exceeded the overload limit value set on the load detection relay on the operation panel.
[Probable Fault Cause]
Program from the overload detection ON (M135) block to the detection OFF (M134) block, or an operation commanded in these blocks.
Program example:
*N100 M135
N101 G01
:
*N199 M134
Overload detection is effective only during execution of the blocks between the ”*” marks.
[Remedy]
Reduce the depth of cut or other cutting parameters in the program to reduce the load.
[Related Specifications]
Overload detection

3716 XA-axis overload
The X-axis of the A-turret has exceeded the overload limit value set on the load detection relay on the operation panel.
[Probable Fault Cause]
Program from the overload detection ON (M135) block to the detection OFF (M134) block, or an operation commanded in these blocks.
Program example:
*N100 M135
N101 G01 …
:
*N199 M134
*_*Overload detection is effective only in these blocks.
[Remedy]
Reduce the depth of cut or other cutting parameters in the program to reduce the load.
[Related Specifications]
Overload detection

3717 XB-axis overload
The X-axis of the B-turret has exceeded the overload limit value set on the load detection relay on the operation panel.
[Probable Fault Cause]
Program from the overload detection ON (M135) block to the detection OFF (M134) block, or an operation commanded in these blocks.
Program example:
*N100 M135
N101 G01 …
:
*N199 M134
*_*Overload detection is effective only in these blocks.
[Remedy]
Reduce the depth of cut or other cutting parameters in the program to reduce the load.
[Related Specifications]
Overload detection

3718 External interlocked unit abnormal
An abnormality occurred in an externally connected unit (loader, unloader, robot, etc.).
[Character-string]
Machine number displayed with FL-net specifications.
[Code]
1->The signals input from the loader are turned off simultaneously (loader operation continue and without loader influence) (for interlocked loader type).
2->An alarm was issued for FL-net communication with the external interlocked unit.
[Probable Fault Cause]
1) Connected external unit (loader, robot, bar feeder, etc.).
2) Emergency stop pushbutton or similar device on the connected external unit is pressed.
[Remedy]
1) Reset the NC after clearing the alarm on the connected external unit.
2) Release the emergency stop pushbutton or similar device on the connected external unit.
[Related Specifications]
Robot / interlocked loader specifications

3719 Robot control
Robot error.
If this alarm occurs during the robot request state, the control is placed in feed hold mode and the run signal turns OFF.
[Probable Fault Cause]
Robot
Operation example: Robot alarm occurred during machining.
[Remedy]
Clear the robot alarm and reset the NC.
[Related Specifications]
OR robot

3720 Robot alarm/reset
A robot alarm occurred or the robot was reset during robot cycle operation.
[Object] System
[Code]
1->Robot alarm
2->Robot reset
[Probable Fault Cause]
NC robot
Operation example: The reset button on the robot operation panel was pressed by mistake while the robot was operating according to the NC program command.
[Remedy]
For code 1->Clear the robot alarm and reset the NC.
For code 2->Reset the NC.
[Related Specifications]
OR robot

3721 Robot/loader control
Robot/loader alarm.
This alarm is currently not used.
[Probable Fault Cause]
NC robot / NC loader
Operation example: Robot/loader alarm occurred during machining.
[Remedy]
Clear the robot/loader alarm and reset the NC.
[Related Specifications]
OKUMA NC loader
OKUMA NC robot

3722 Loader alarm/reset
A loader alarm occurred or the loader was reset during loader cycle operation.
[Object] System
[Code]
1->Loader alarm
2->Loader reset
[Probable Fault Cause]
NC loader
Operation example: The reset button on the loader operation panel was pressed by mistake while the loader was operating according to the NC program command.
[Remedy]
For code 1->Clear the loader alarm and reset the NC.
For code 2->Reset the NC.
[Related Specifications]
OKUMA NC loader

3723 Schedule program cannot start
A cycle start command was issued when the machine is connected to a robot/loader via C-type interface and schedule program operation mode is selected. Or, the schedule program was started when the machine is connected to a robot/loader via C-type interface.
[Probable Fault Cause]
1) Cycle start command was issued for a machine connected to a robot/loader in schedule program operation mode.
2) Schedule program was used for a machine connected to a robot/loader.
[Remedy]
1) Select a main program instead of a schedule program.
2) Turn OFF the interlock switch.

3724 Main program cannot start
An interlocked operation was attempted when the machine is connected to a B-type robot/loader and main program operation mode is selected.
[Code]
None->Above
1->Program numbers between the NC and tailstock absolute encoder differ at cycle start.
2->Main program was started without the check button after tool change and gauging.
3->Main program was started by the external start switch when the machine was not at the cycle start position.
4->Main program was started without the door sensor.
5->Main program was started by the NC start button when the machine was not at the cycle start position.
6->Cycle start was completed when the program numbers between the NC and loader differ.
[Probable Fault Cause]
1) The machine is connected to a robot/loader.
2) Schedule program operation mode is not selected.
[Remedy]
1) Turn OFF the interlock switch.
2) Select a schedule program.

3725 CEJ MATIC data abnormal
The NG signal was read while CEJ-matic data was being read.
[Probable Fault Cause]
Tool wear or breakage
[Remedy]
1) The alarm status can be cleared by resetting the NC.
2) Replace the cutting tool.
[Related Specifications]
CEJ MATIC

3726 CEJ MATIC data read
Data was read incorrectly during gauging with CEJ-matic.
[Code]
1->The ”enter” command was not given at the end of data.
2->The read data is not a decimal number.
3->The set reading is too large.
[Probable Fault Cause]
CEJ MATIC
[Countermeasures]
Data transmission of CEJ matic is abnormal. Make necessary adjustments referring to the CEJ matic operation manual.
[Related Specifications]
CEJ MATIC

3727 Cannot auto power off
The battery on the general high-density board will expire soon.
[Countermeasures]
Replace the battery on the general high-density board.

3728 Oil cooler level
An oil level error occurred in the cooling unit used for headstock cooling or M-spindle cooling.
[Code]
None->In a hydraulic unit generating signal output, the 1st headstock oil cooler oil level error
signal (or 2nd headstock oil cooler oil level error signal) turned OFF for more than
1 second.
1->In a hydraulic unit generating signal output, the M-spindle headstock oil cooler oil level error
signal turned OFF for more than 1 second.
2->Spindle oil cooler low oil level switch (I.0247) turned OFF for more than 2 seconds.
[Probable Fault Cause]
1) Headstock oil cooling unit oil level error
I/O check No. 24 input bit 7 iOCL/ (1st spindle)
I/O check No. 32 input bit F i2OCL/ (2nd spindle)
2) M-spindle headstock oil cooling unit oil level error
I/O check No. 34 input bit 9 iMOCLAL/

3729 Coolant error
<High-pressure coolant specification>
High-pressure coolant error input signal (b-contact) turned OFF.
<Centralized coolant specification>
Both upper limit float switch and lower limit float switch signals turned OFF.
<Centrifugal separator with filter specification>
Centrifugal separator error input signal (b-contact) turned OFF.
Filter clogging signal turned ON.
[Code]
1->In centralized coolant specification, both upper limit float switch and lower limit float switch signals turned OFF.
2->In centralized coolant specification, coolant error detection input signal turned OFF.
3->Centrifugal separator error input signal turned OFF.
4->Filter clogging signal turned ON.
5->In centralized coolant specification, when a coolant command is executed, centralized coolant is in error status or
in power saving mode. Or, during coolant discharge, centralized coolant is in error status or in power saving mode.
6->In high-pressure coolant specification, high-pressure coolant unit alarm input signal (b-contact) turned OFF.
7->In centralized coolant specification, centralized coolant pressure detection 1 signal turned OFF.
8->In centralized coolant specification, centralized coolant pressure detection 2 signal turned OFF.
9->In high-pressure coolant specification, coolant level in the high-pressure coolant unit is too low.
10->In high-pressure coolant specification, filter in the high-pressure coolant unit is clogged.
11->When supplying high-pressure coolant, pump is illegal.
12->In centralized coolant specification, coolant pressure is low.

3730 Coolant flow
Coolant flow stopped status continued for longer than the monitor time.
[Code]
None->In coolant discharge detection specification, during coolant discharge, coolant flow confirmation did not turn ON
after the coolant flow error detection time elapsed.
1->When a flow of coolant1 was watched, even though the
watching time which was set on a parameter was exceeded,
1st coolant1 or 2nd coolant1 did not flow.
2->When a flow of coolant2 was watched, even though the
watching time which was set on a parameter was exceeded,
1st coolant2 or 2nd coolant2 did not flow.
3->When a flow of coolant3 was watched, even though the
watching time which was set on a parameter was exceeded,
1st coolant3 or 2nd coolant3 did not flow.
4->1st coolant 4 discharge confirmation (I/O check No. 35 bit 8 iCAP4)
remained OFF after the coolant 4 flow error detection time elapsed.
5->When coolant 1 flow detection is enabled, 1st coolant 1 or 2nd coolant 1 is not output,
but the flow switch remained ON after the coolant 1 flow error detection time elapsed.
6->When coolant 2 flow detection is enabled, 1st coolant 2 or 2nd coolant 2 is not output,
but the flow switch remained ON after the coolant 2 flow error detection time elapsed.
7->When coolant 3 flow detection is enabled, 1st coolant 3 or 2nd coolant 3 is not output,
but the flow switch remained ON after the coolant 3 flow error detection time elapsed.
8->During oil mist flow monitoring for turret A, flow confirmation signal does not turn ON.
9->During oil mist flow monitoring for turret B, flow confirmation signal does not turn ON.
10->During upper turret coolant discharge, flow confirmation signal does not turn ON.
11->During lower turret coolant discharge, flow confirmation signal does not turn ON.
12->During coolant flow monitoring, high-pressure coolant flow sensor does not turn ON.
13->When 2nd coolant 1 output is ON, 2nd coolant flow 1 does not flow within the fixed time.
Fixed time: "2nd coolant 1 flow alarm monitor time"
14->When 2nd coolant 2 output is ON, 2nd coolant flow 2 does not flow within the fixed time.
Fixed time: "2nd coolant 2 flow alarm monitor time"
15->When 2nd coolant 3 output is ON, 2nd coolant flow 3 does not flow within the fixed time.
Fixed time: "2nd coolant 3 flow alarm monitor time"
16->Coolant flow 5 did not flow beyond fixed time at the time
of coolant 5 output ON.
Fixed time: “Coolant 5 flow alarm monitor time”
17->Coolant flow 1(L-tool)/coolant flow 3 did not flow
beyond fixed time at the time of coolant 1(L-tool)/
coolant 3 output ON.
Fixed time: “Coolant 1(L)/3 flow alarm monitor time”
18->Coolant flow 1(M-tool)/coolant flow 6 did not flow
beyond fixed time at the time of coolant 1(M-tool)/
coolant 6 output ON.
Fixed time: “Coolant 1(M)/6 flow alarm monitor time”
19->Turret upper side coolant flow sensor did not turn ON
within the coolant flow monitor time.
20->Turret lower side coolant flow sensor did not turn ON
within the coolant flow monitor time.
21->Chip coolant flow sensor did not turn ON within the
coolant flow monitor time.
[Probable Fault Cause]
1) Low coolant level or coolant piping clogged
2) Discharge confirmation switch position
3) Defective discharge confirmation switch
[Countermeasures]
1) Replenish coolant or replace coolant piping.
2) Check the discharge confirmation switch.
3) Replace the discharge confirmation switch.

3731 Dehumidifier error
Dehumidifier error (I/O check No. 40 Bit 8 iEXCHMAL).

3732 Robot/loader axis safe speed over
In CE-mark specifications for OR robot/OGL loader, alarm 1942 Safe speed over occurred
on the robot/loader side (speed monitor function: robot/loader feedrate exceeded
the safe speed (15 m/min) set in the safe speed monitor data file),
disabling robot/loader operation.
[Object] Axis
[Code] X
None->Alarm 1942 Safe speed over occurred on the robot/loader side, disabling operation of the robot/loader.
[Probable Fault Cause]
Refer to the explanation of alarm 1942.

3733 Robot/loader safe speed monitor error
In CE-mark specifications for OR robot/OGL loader, alarm 1943 Safe speed monitor error
occurred on the robot/loader side (an error in safe speed monitor operation was detected),
disabling robot/loader operation.
[Object] Axis
[Code] X
None->Alarm 1943 Safe speed monitor error occurred on the robot/loader side, disabling robot/loader operation.
[Probable Fault Cause]
Refer to the explanation of alarm 1943.

3734 ATC 1-step time over
During ATC sequential operation, 1-step operation time exceeded 120 seconds.
[Object] None
[Code] XXXXXXXX: Input status of ATC unit confirmation switches when the alarm occurred
[Probable Fault Cause]
Defective limit switch or proximity switch for ATC operation confirmation. Broken wire in confirmation input signal line.
Defective hydraulic or pneumatic solenoid valve for ATC operation. Broken wire in solenoid valve control line.
Defective hydraulic or pneumatic circuit. When this alarm occurs in the machine interference area, abnormal ATC operation confirmation inputs are displayed on the 'ATC Status Display Screen' in each of Auto, MDI, and Manual
modes.
Check the ATC operation confirmation input contents and take appropriate corrective action.

3735 Next tool cannot prepare
The MT command cannot be executed.
The MT-commanded tool is in the magazine.
[Code]
None->The MT command cannot be accepted.
1->The tool shelf of the tool which MT command did not
have a magazine pot.
2->The return of the magazine pot is not possible so that
there is a magazine pot in the empty pot place.
The tool number that MT command wins not 0 The existing
tool repays the magazine pot in the case of 0 in the
empty pot place.Return is not possible so that there is
already a magazine pot.
3->Because the empty pot place does not have a magazine
pot, I cannot receive the existing tool. The tool number
that MT command wins with 0 When it is 0, and there is
not the existing tool, I take out a magazine pot from
the empty pot place and receive the existing tool.
Because the empty pot place does not have a magazine
pot, I cannot receive the existing tool.
4->Because a empty pot place does not have a magazine pot,
I cannot receive an existing tool. The tool number that
MT command wins with 0 An existing tool takes out a
magazine pot in the case of 0 from a empty pot place and
receives the existing tool. Because the empty pot place
does not have a magazine pot, I cannot receive an
existing tool.
5->The specified tool exists on the tool setup.
13->The tool specified by MT command is in the magazine.
14->Two or more tools specified by MT command are in the magazine.
17->MTS commands is specified to an angle tool.

3736 Coolant filter
Coolant filter has been clogged for 2 seconds or longer.
[Code]
1->A coolant filter 1 is clogged.
2->A coolant filter 2 is clogged.

3737 Mist collector failure
[Code]
None->Mist collector error signal is OFF.

3738 Mode switch operation inhibited
During program execution in auto operation mode, the mode switch was changed to another mode (MDI or manual).

3739 Control cabinet cooler failure
Air conditioner inside the electrical cabinet is faulty.

3740 Air filter clogged
Filter switch on the pneumatic panel has been OFF for 2 seconds or longer.
[Code]
None->Air filter is clogged.
20->When oil-air and air outputs are ON, the air filter clogged state continued for 3 seconds or longer.
[Probable Fault Cause]
Air filter clogged
[Measures to Take]
Clean the clogged air filter.

3741 Index chuck oil level
Level switch for index chuck operation has been OFF for 1 second or longer.
[Code]
None->Insufficient index chuck hydraulic oil

3742 ATC axis circuit breaker

3743 ATC axis motor overload

3744 Chuck seating detection air pressure error
[Code]
1->Chuck seating detection air circuit is clogged.
The clog detection switch input remained ON for longer than the parameter-set time.
2->Chuck seating detection air circuit is clogged.
In chuck unclamp state, the chuck seating detection pressure switch has been ON for 1 second or longer.
3->Chuck seating detection air circuit is clogged.
On a chuck unclamp command, after the chuck seating detection air circuit clog detection time elapsed, the chuck seating detection pressure switch does not turn OFF.
4->Chuck unclamp pressure switch (PS) did not turn ON due to air circuit failure.

3745 Oil-air lubrication unit
On turret oil-air lubrication specifications, the oil-air lubrication unit is abnormal.
[Code]
2->Turret oil-air oil dripping sensor has been ON for 30 seconds or longer.
3->With ON/OFF of the turret oil-air lubrication pump drive air ON output as one cycle, the turret oil-air dripping sensor input was not received at all or was received twice consecutively within one cycle.
4->On turret oil-air lubrication specifications, the initial oil dripping operation was not completed when power was applied to the oil-air lubrication unit.
5->Turret oil-air lubrication oil level error input has been OFF for 3 seconds or longer.
6->At turret oil-air lubrication startup, the turret oil-air lubrication pressure error input turned OFF.
7->Tailstock oil-air lubrication oil level input has been OFF for 1 second or longer.
8->During mist discharge, the oil-air lubrication flow sensor did not turn ON after the oil-air flow error monitoring time elapsed.
[Probable Fault Cause]
4->On turret oil-air lubrication specifications, if the initial oil dripping operation is not completed when power is supplied to the oil-air lubrication system, the M-tools will not rotate due to lack of lubrication. The initial oil dripping operation is executed every time power is turned on. When this alarm occurs, turn the power off and then on again to execute the initial oil dripping operation.
When power is turned on, the air unit drives the turret oil-air lubrication pump.
The initial operation at power-on executes 100 cycles, with ON/OFF of the turret oil-air lubrication pump drive air output as one cycle. During these 100 cycles, the initial operation is completed when the turret oil dripping sensor input turns ON for three consecutive cycles.
This alarm occurs if the initial operation is not completed after 100 cycles.
If this alarm occurs again after cycling power, the oil-air lubrication unit is considered faulty.
5->Insufficient oil-air lubricant or oil-air lubrication unit fault.

3746 External start switch error
External start switch remains ON.

3747 NC start button error
NC start button remains ON.

3748 Area sensor error
Area sensor error signal input is OFF.

3749 Automatic lubrication system error
A failure occurred in the automatic lubrication system.
When machine user parameter No. 1-2 CHUCK: “3. Auto lubrication system error - C” is set to ”0″, it becomes Alarm A 8507 Auto lubrication system error.

3750 Tailstock absolute scale controller error
[Unit error /] of the tailstock absolute position encoder controller has been OFF for 1 second or longer.
NC start was executed when the tailstock absolute position encoder was not in the operation ready state.
[Probable Fault Cause]
Check the operation status of the tailstock absolute position encoder.
1) Power supply is ON
2) Selected operation mode (in RUN mode)
3) Absolute position encoder unit failure (sensor fault, memory fault, etc. Refer to the tailstock absolute position encoder instruction manual).

3751 External tool offset input
[Code]
1->A plus/minus offset operation was executed when the tool offset compensation function was selected as inactive.
2->A plus/minus offset or write operation was executed when the tool selection switch input was not normally ON.
3->When the tool selection switch input signal was in an invalid condition, the plus or minus offset switch, or input switch, was pressed.

3752 Coolant supply error
[Code]
None->When [Coolant supply solenoid valve ON] output signal (oCLSOLON) is OFF, [Coolant flow check] signal (iCLFW) is not ON.

3753 Drain tank error
Drain pump ON detection input and drain pump OFF detection input remain ON or OFF continuously for 1 second or longer.

3754 Mist collector failure
[Code]
1->Mist collector failure / [Mist collector error] signal has been ON for 1 second or longer.

3755 Workpiece conveyor failure
On workpiece conveyor interface specifications, the workpiece conveyor error input turned OFF.
[Code]
1->Workpiece conveyor failure occurred. [Workpiece conveyor error] signal has been OFF for 2 seconds or longer.
[Probable Fault Cause]
All workpieces on the conveyor
Workpiece conveyor failure
[Measures to Take]
Unload workpieces from the workpiece conveyor.
Eliminate the workpiece conveyor failure.

3756 Raw material detection error
On raw workpiece detection installation specifications, the [Defective judgment] signal turned OFF.

3757 Bar feeder failure
[Code]
None->An error occurred in the bar feeder.

3758 Mist lubrication unit
[Code]
1->Insufficient oil in the tank.
2->Mist air pressure is too low.
3->The number of times the oil discharge confirmation input signal turned ON is continuously lower than the parameter-set count.
[Probable Fault Cause]
[Code] 1->Insufficient oil
[Code] 2->Air pressure drop
[Measures to Take]
[Code] 1->Supply oil.
[Code] 2->Check the mist air pressure.

3759 Tool monitor error detection
[Code]
1->Tool monitor unit failure.
Tool monitor error detection signal (I/O check No. 56 Bit A iER3) turned ON.
[Probable Fault Cause]
1) [Code] 1->Overload

3760 Fan cooler unit pressure
[Code]
1->Fan cooler unit pressure signal has been OFF for 3 seconds or longer.

3761 Present tool/next tool change failure

3762 ACC step time over
During execution of the ACC operation program, a single step operation exceeded 120 seconds.
[Code] XXXXXXXX: Status of confirmation switches for ACC components when the alarm occurred.
[Probable Fault Cause]
Limit switch or proximity switch for ACC operation check is faulty. Input signal wire disconnection.
Hydraulic valve or pneumatic valve for ACC sequence operation is faulty. Solenoid valve signal wire disconnection.
Hydraulic/pneumatic circuit failure. When this alarm occurs due to mechanical interference, the ’ACC Status Display Screen’ in AUTO, MDI, and MANUAL operation modes displays the abnormal status of the ACC operation check switch. Check the failure details and eliminate the cause.

3763 Switch operation inhibited
[Code]
1->When the finger chuck is clamped, the collet chuck valid/invalid switch was switched from valid to invalid.

3764 Oil collector unit
Hydraulic oil collector or coolant oil skimmer unit alarm.
[Code]
None->Oil collector alarm / signal is OFF.

3765 Spindle lubrication sensor
[Code]
1->Spindle vibration sensor wire is broken.
[Probable Fault Cause]
Vibration sensor circuit wire disconnection

3766 Linked unit interlock
[Code]
1->Linked unit alarm condition.

3767 Tailstock no seating detection air flow
[Code]
None->The air circuit for detecting tailstock seating is clogged.
The clog detection switch has been ON longer than the preset time.

3768 Irregular coolant level
Coolant filter failure
[Code]
1->Coolant filter is clogged.
[Probable Fault Cause]
1)Coolant filter is clogged. Or float switch in the coolant sub-tank is defective.
[Measures to Take]
1)Replace the filter or check the float switch.

3769 Side door interlock
[Code]
None->The side door is not closed during NC operation.
NC operation was started while the side door was not closed.

3770 Safety door open
The safety door is open.
[Character-string]
Machine number is displayed for FL-net specifications.

3771 Lubrication tank motor running time over
The lubrication tank motor running time exceeded the motor ON time limit.
[Code]1
[Probable Fault Cause]
1)Program error
Execution of a command that cannot output lubrication continuously OFF (M834)
2)The lubrication motor ON key is kept pressed.
3)Lubrication motor ON key is defective.

3772 Coolant flow
Coolant flow time was longer than the monitor time.
[Code]
None->During coolant flow time (for coolant supply sensor type), the coolant flow
sensor did not turn ON.
1->When coolant 1 output is ON, coolant flow 1 did not flow within the fixed time.
Fixed time: "Coolant 1 flow alarm monitor time"
2->When coolant 2 output is ON, coolant flow 2 did not flow within the fixed time.
Fixed time: "Coolant 2 flow alarm monitor time"
3->When coolant 3 output is ON, coolant flow 3 did not flow within the fixed time.
Fixed time: "Coolant 3 flow alarm monitor time"
4->When coolant 4 output is ON, coolant flow 4 did not flow within the fixed time.
Fixed time: "Coolant 4 flow alarm monitor time"
5->When coolant 1 is monitored and 1st coolant/2nd coolant 1 output condition is OFF,
the flow switch remained ON longer than the preset parameter time.
6->When coolant 2 is monitored and 1st coolant/2nd coolant 2 output condition is OFF,
the flow switch remained ON longer than the preset parameter time.
7->When coolant 3 is monitored and 1st coolant/2nd coolant 3 output condition is OFF,
the flow switch remained ON longer than the preset parameter time.
8->A-turret oil mist flow sensor did not turn ON within the flow monitor time.
9->B-turret oil mist flow sensor did not turn ON within the flow monitor time.
10->A-turret coolant flow sensor did not turn ON within the coolant flow monitor time.
11->B-turret coolant flow sensor did not turn ON within the coolant flow monitor time.
12->High-pressure coolant flow sensor did not turn ON within the coolant flow monitor time.
13->When 2nd coolant 1 output is ON, 2nd coolant flow 1 did not flow
within the fixed time. Fixed time: "2nd coolant 1 flow alarm time"
14->When 2nd coolant 2 output is ON, 2nd coolant flow 2 did not flow
within the fixed time. Fixed time: "2nd coolant 2 flow alarm time"
15->When 2nd coolant 3 output is ON, 2nd coolant flow 3 did not flow
within the fixed time. Fixed time: "2nd coolant 3 flow alarm time"
[Probable Fault Cause]
1)Low coolant level or coolant piping is clogged.
2)Supply sensor switch is mounted in the wrong position.
3)Supply sensor switch is defective.
[Measures to Take]
1)Supply coolant or replace the coolant piping.
2)Check the supply sensor switch.
3)Replace the supply sensor switch.

3773 Earthquake detected
An earthquake was detected by the seismometer.

3774 EC circuit breaker
The EC circuit breaker tripped.
An alarm occurs when a circuit breaker in the EC control circuit trips.
Check the tripped circuit breaker to find
the cause of the alarm.
[Code]
None->EC circuit breaker tripped.
1->EC circuit breaker tripped.
(EC 1st circuit breaker)
2->EC 2nd circuit breaker tripped.
3->EC 3rd circuit breaker tripped.
4->EC 4th circuit breaker tripped.
5->EC 5th circuit breaker tripped.
6->EC 6th circuit breaker tripped.
7->EC 7th circuit breaker tripped.
[Probable Fault Cause]
Short circuit in EC circuit.
[Measures to Take]
Turn ON the EC circuit breaker.

3775 Lubrication unit alarm
Lubrication unit alarm
[Code]
1->Lubrication unit oil level is low.
2->Lubrication unit abnormality occurred.

3777 Air blow Flow
The air blow flow was suspended longer than the monitor
time.
[Code]
None->The air blow flow sensor did not turn ON within the
air blow flow monitor time.

3778 M axis cooling fan overload
[Code]
None->The overload of the MA axis cooling fan is tripped.

3779 APC system condition
During execution of the APC cycle, APC input information
does not match the APC sequence advance conditions.
(indicated in the APC input logic chart) in two minutes.
[Code] XYZZ
X->None, Input conditions are not turn on.
X->1 , Input conditions are not turn off.
Y->Hexadecimal number of the byte number in input logic
chart
ZZ->Bit position in the input logic chart.

3780 Touch setter unit illegal
[Code]
None->Touch setter unit illegal signal kept OFF for a second
or longer ,when touch setter was retract position.