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OSP-P20L

OSP-P20L Alarm and Error List (Alarm D)-2

Alarm & Error List (Alarm D)

4800 Tow-along steady rest connect
The axis movement command was issued when steady rest is
connected and clamp, or steady rest is not connected and
unclamp.

4801 Oil mist illegal
[Code]
1->The oil level in the oil tank is too low.

4802 Turret rotation interlock
Turret Index Command is issued; when One of Turret Indexing
Conditions is Not met.
[code]
1->Turret Index Command is issued; when H1-turret is not at
the ATC Home position(P1).

4844 Interlocking unit interlock
[Code]
1->Interlocking unit alarm condition.

4845 Coolant level low limit forecast
Coolant is insufficient.
[Code]
1->The coolant low limit forecast input signal (I/O check No. 36 bit 5 iCOLLON/) has been kept OFF
for 1 s or longer.
[Probable Fault Cause]
1) Insufficient coolant.
2) Float switch position defect.
3) Defective float switch.
[Remedy]
1) Replenish coolant.
2) Check the float switch.
3) Replace the float switch.

4846 Unloader mount position selection parameter
[Code]
None->For bar feeder specifications, the unloader mounting position parameter setting overlaps with the bar feeder mounting position
setting.

4847 Interference area entry
[Code]
None->The spindle is entering the interference area.
1->A ZB-axis feed command into the lower turret interference area was executed when the XB-axis was not at the positive limit
position.
2->A ZB-axis feed command into the lower turret interference area was executed when the lower turret was not indexed to the entry permitted
station number.
3->ZA-axis feed command was issued in interference area
when A-turret does not index permission pot number.

4848 Steady rest lower base present signal absent
The steady rest valid/invalid key switch was set to the valid position when the “Lower base present” signal was OFF.
[Code]
None->The above condition occurred.
[Remedy]
Check if the steady rest connector was not connected.

4849 Coolant level
Coolant is insufficient or overflowing.
[Code]
None->The coolant low input (I/O check No. 34 bit 0 iCOL/) has been kept OFF for 1 s
or longer.
2->The coolant lowest limit input (I/O check No. 43 bit A iCLLST/) has been kept OFF for 1 s
or longer.
3->The coolant overflow input (I/O check No. 43 bit B iCLOF/) has been kept OFF for 1 s
or longer.
4->The coolant low 2 input (I/O check No. 35 bit F iCOL2/) has been kept OFF for 1 s
or longer.
5->The coolant low input (I/O check No. 35 bit D iCOLL/) has been kept OFF for 1 s
or longer.
6->The low limit forecast input (I/O check No. 36 bit 5 iCOLLON/) has been kept OFF for 1 s
or longer.
7->The coolant level drop input (I/O check No. 37 bit 8 iCOLWN/) has been kept OFF for the time set
in the coolant level drop confirmation timer.
8->The coolant water supply level signal has been kept OFF for the time set in the coolant level drop confirmation timer.
16->The coolant overflow signal has been kept OFF for 1 s or longer.
17->The machine coolant tank coolant level low signal has been kept OFF for 1 s or longer.
18->The sub coolant tank coolant level low signal has been kept OFF for 1 s or longer.
19->The coolant supply overflow/ signal has been kept OFF for 1 s or longer.
20->The Coolant uplevel signal with the machine coolant tank
kept OFF for 1[s] or longer.
[Probable Fault Cause]
1) Insufficient coolant
2) Float switch position defect
3) Defective float switch
[Remedy]
1) Replenish coolant.
2) Check the float switch.
3) Replace the float switch.

4850 Safety fence interlock
The robot/loader safety fence is open.
This condition puts the loader (robot) into the reset state, disabling manual operation and start.

4851 Door interlock
[Code]
None->The NC machine front door is open.
This condition puts the loader (robot) into the reset state, disabling manual operation and start.
1->For area sensor specifications, the area sensor signal turned OFF while the door was open in automatic
operation mode.
2->For area sensor specifications, the area sensor signal turned OFF while chucking work was OFF and the door was
open.

4852 Stroke end limit release
In manual operation mode, the emergency limit release switch is ON.

4853 Robot/loader power sequence error
An error occurred during the power-on/power-off sequence.
[Code]
1->The emergency stop monitor input signal did not turn OFF.
2->When axis operation is ON, the servo ready signal status does not change.
[Probable Fault Cause]
Defective relay control circuit.
[Remedy]
1->Replace the emergency stop delay relay.
2->Replace the axis operation ON relay.

4854 Loader interference
When alarm A ’1863 Loader interference’ occurs, switch to manual operation mode and execute the loader reset
operation.

4855 Front door open
For OGL loader CE mark specifications, in loader teach mode when only one safety guard (safety fence or front door)
is permitted to be open, opening the safety fence was attempted while the front door was open.
To open the safety fence, close the front door first.
[Code]
None->In loader teach mode, opening the safety fence was attempted while the front door was open.
[Probable Fault Cause]
1) Operational error
2) Improper adjustment or failure of the front door open/close limit switch.
[Remedy]
1) Close the front door.
2) Adjust or replace the front door open/close limit switch.

4856 Please open safety guard door
For OR robot hand/OGL loader CE mark specifications with door interlock S specifications, this alarm is displayed when the check switch
of each safety fence is ON at power-off. Please open the safety fence to check
whether the check switch of each safety fence operates normally.
For mutual confirmation, an alarm with the same meaning is provided on the robot hand/loader side.
[Related Features]
Door interlock S

4857 Please close safety guard door
For OGL loader CE mark specifications, in loader teach mode when only one safety guard (safety fence or front door)
is permitted to be open, opening the front door was attempted while the safety fence was open.
To open the front door, close the safety fence first.
[Code]
None->In loader teach mode, opening the front door was attempted while the safety guard was open.
[Probable Fault Cause]
1) Operational error
2) Improper adjustment or failure of the safety fence close limit switch.
[Remedy]
1) Close the safety guard door.
2) Readjust or replace the safety fence close limit switch.

4858 Feedrate limit active
For OR robot/OGL loader CE mark specifications, the robot/loader feedrate is being restricted.
[Code] X
None->In robot/loader teach mode, safety fence locked status, and MDI/program operation mode,
the upper limit of the robot/loader feedrate is restricted to 50% or less.
[Remedy]
In normal system operation status, start in robot/loader interlocked mode.

4859 Teach pendant enabling switch unusable
For OR robot/OGL loader CE mark specifications, the enabling switch input has been kept ON for 0.5 s or longer
when the teach pendant enabling switch is absent or in an invalid state.
When in the absent or invalid state, either of the following conditions must be met:
1) The mode selector switch is set to robot/loader interlocked mode.
2) All safety fences (safety doors) are in the locked state.
[Code]
None->The enabling switch input has been kept ON for 0.5 s or longer when the teach pendant enabling switch is absent or in an invalid
state.
[Probable Fault Cause]
1) Operational error
2) Defective robot/loader teach pendant enabling switch.
[Remedy]
1) Recheck the operating procedure.
2) Replace the robot/loader teach pendant enabling switch.

4860 Multiple safety guards open
For OGL loader CE mark specifications, in loader teach mode, when two or more safety
guards (safety fence or front door) are open, the loader enters the axis movement inhibit interlock state.
At this time, if the loader teach pendant enabling switch is pressed to move the loader, this alarm is displayed.
[Code]
None->In loader teach mode, the loader teach pendant enabling switch was pressed
when two or more safety guards were open.
[Probable Fault Cause]
1) Operational error (Safety guard is not closed.)
2) Defective loader teach pendant enabling switch.
3) Improper adjustment or failure of the safety guard limit switch.
[Remedy]
1) Recheck the operating procedure.
2) Replace the robot/loader teach pendant enabling switch.
3) Adjust or replace the safety guard limit switch.

4861 Actual safety fence parameter mismatch
For OR robot hand/OGL loader CE mark specifications with door interlock S specifications, the safety fence specified
as valid by machine system parameters is not actually installed, or a safety fence set as invalid is
actually installed. When this alarm occurs, operations related to the robot/loader are disabled.
For OR robot specifications—No.11-1 NC robot No.3-5: Safety fences A/B/C are all invalid.
For OGL loader specifications—No.8-4 NC loader machine No.1-3: Safety fences A/B/C are all invalid.
[Code]
1->The safety fence specified as valid is not actually installed.
2->A safety fence set as invalid is actually installed.
[Probable Fault Cause]
1) Machine system parameter setting error.
2) Faulty wiring of the safety guard door.
[Remedy]
1) Check the machine system parameters.
2) Check the wiring condition of the safety guard door.

4862 Two-hand start condition
For loader two-hand start specifications, start conditions are not satisfied.
[Code]
1->For loader two-hand start specifications, the time difference between pressing the two start pushbuttons exceeded 1 s or longer.

2->For loader two-hand start specifications, the time difference between releasing the two start buttons exceeded 1 second.
[Measures to Take]
Start normally after resetting the loader.

4863 Tool change count over
Tool change counter reached the count-up value.

4864 Other door opened

4865 Turn-over cycle in execution
In loader linked mode and safety shield lock state, when M387 turnover cycle was executed,
the safety shield door lock button was pressed. The lock button input is invalid during turnover fixed cycle operation.
[Probable Faulty Locations]
Operation error
[Measures to Take]
When the turnover cycle is completed, this alarm D is cleared automatically.
After clearing this alarm D, press the lock button again.

4866 No workpiece
Workpiece absence signal (I/O check No. 74 bit F iLEI13) turned ON.

4867 M-axis angle unsettled
[Code]
None->For optical sensor specifications, when power is turned on with a sensor mounted
on the milling tool turret, the M-axis indexing angle is in an unsettled state.
[Measures to Take]
1) Select manual operation mode.
2) Select the cutting position on the turret index switch of the ATC operation panel.
3) Index to sensor T3 position using the turret index button.
4) Press the manual tool change button on the ATC operation panel.
5) Press the turret tool unclamp button and remove the sensor.
6) Press the turret tool clamp button, placing turret T3 in tool-empty state.
7) Cancel the sensor tool for turret T3 on the ATC tool information screen.
8) Press the manual tool change button on the ATC operation panel again to exit manual tool change mode.
9) To perform M-axis orientation, select the ATC position on the turret index switch of the ATC operation panel.
10) Inch the turret index button to index to turret T3 again; M-axis orientation is executed at this time.
11) Press the manual tool change button on the ATC operation panel.
12) Press the turret tool unclamp button.
13) Mount the sensor on the turret again and press the turret tool clamp button.
14) Set the sensor tool for turret T3 again on the ATC tool information screen.

4868 Start disabled
Robot/loader cycle start command was executed
while the door interlock was OFF.
[Code]
None->Same as above

4869 Chuck changed
[Code]
1->Spindle chuck select switch condition changed.

4870 Servo data select error
[Code]
1->After machine power was turned on, spindle chuck select switch
status did not match the selected spindle servo data.

[Probable Faulty Locations]
Spindle chuck select switch status was changed
while the machine power was off.
[Measures to Take]
Match the status between the spindle chuck select switch
and the current spindle chuck, then turn the power off
and on again.

4871 Inside the barrier
[Code]
None->Interference detection of loader swing is canceled.

4872 Tailstock fretting
[Code]
1->Tailstock advance count exceeded warning number of times.
[Measures to Take]
1)Please move a Tailstock.

4873 Door open/close limit switch N.G.
An abnormality occurred in any of the limit switches used to
confirm open/close state of the front door.
[Code]
1->The door open confirmation/door close confirmation
signals turned ON at the same time.
[Probable Faulty Locations]
1)For the door of mechanical locking type, a door open/close
confirmation limit switch is faulty.
[Measures to Take]
1)Change the faulty limit switch for mechanical locking door
open/close confirmation.

4874 XB cover interfered
The monitored axis entered the interference range when
XB cover for B-turret was not specified position. Or,
XB cover was not specified position when the monitored
axis was entering.
The starting NC unit become ineffective when this alarm
occurs.
[Code]
1-> Sub-spindle or H1 turret

4880 Gauging unit fault
[Code]
1->External gauging unit fault.

4881 NG shot counted
[Code]
1->NG shot has been counted.

4882 Quality check counter mark counted
[Code]
1->Quality check counter mark counted.

4883 Tow-along tailstock unclamp
When the tow-along tailstock unclamp command was executed, the tailstock unclamp operation completed after several retries.
[Code]Number of retries.

4884 Tool counter count-up start disabled
[Code]
1->Tool counter counted up.

4885 Quality check counter count-up start disabled
[Code]
Quality check counter counted up.

4886 Tool counter count-up pre-warning
[Code]
1->Tool counter reached the pre-warning preset value.

4887 Tailstock/chuck pedal start

4888 Mode switch operation error
In loader linked mode, machine operation mode was switched to other than automatic operation mode.

4889 PLC ring error
Host detected an error in the PLC ring.
[Code]
1->Host PC stopped.
2->Host PC error.
3->Host communication error.
4->Host data ring not joined.
5->Host offset error.
6->Host receive area insufficient.
7->Host receive area redundant.
[Probable Faulty Locations]
Host PC
[Measures to Take]
Check the host PC.

4890 Dust collector individual mode
[Code]
1->Dust collector was in individual mode when the lathe operation mode select switch was set to continuous.
2->Dust collector was in individual mode.

4891 Chip conveyor individual mode
[Code]
1->Chip conveyor was in individual mode when the lathe operation mode select switch was set to continuous.
2->Chip conveyor was in individual mode in machine linked mode.
3->Chip conveyor was in individual mode.
4->Chip conveyor switch turned OFF.
5->Chip conveyor AUTO/MANUAL switch was in manual mode.
6->Start was executed when the chip conveyor was not in linked mode.

4892 Chip conveyor error
[Code]
None->Chip conveyor failure.
When machine user parameter No. 19 chip conveyor is set to "0", it changes to Alarm C 3888
"1 Chip conveyor overload/illegal Alarm D".
1->Chip conveyor failure. Chip conveyor alarm signal (I.0243) remained OFF for 1 second or longer.
2->Chip conveyor is clogged with chips.
When machine user parameter No. 19 chip conveyor: 1. Chip conveyor error alarm D is set to 0,
this alarm becomes Alarm C 3888 Chip conveyor error 2.

4893 Operation panel not at retract position
For operation panel retract position interlock specification, the operation panel retract position confirmation signal turned OFF.

4894 Multi-counter tool life pre-warning
[Code]
1->Tool multi-counter reached the preset tool life count.
(Multi-counter tool life alarm signal turned ON).

4895 Hydraulic unit oil level low
[Code]
1->Hydraulic system oil level lower limit signal remained OFF for 1 second or longer.
2->Hydraulic system oil supply level signal remained OFF for the set time or longer of the hydraulic oil level drop confirmation time parameter.

4896 Lubricating oil level
[Code]
1->Lubrication oil level lower limit signal remained OFF for 2 seconds or longer.
2->Lubrication oil level lower limit signal remained ON for 2
seconds or longer.

4897 Gauging data ready time-out
[Code]
1->For gauging data output specifications, after the gauging data strobe turned ON, gauging data ready time elapsed
without gauging data ready answer signal being received.

4898 In power saving mode
Entered the power saving state by power saving command from peripheral equipment.
In automatic operation mode with single block OFF, entered the power saving state after the program non-execution state continued for the set time or longer.

Time is set in Machine parameter No. 5: Power saving 2 Power saving time (unit: minute, default: 30)
.
[Code]Machine parameter No. 5: Set time of power saving 2 power saving time, hexadecimal number in minutes
Operation example:
After the program ended, the set time elapsed without restarting.
After alarm stop during continuous operation, the set time elapsed without any operation.
[Measures to Take]
1) System reset.

4899 Lower turret home position return condition
At home position return, the lower turret was not indexed to the home position tool station number (turret B) position.