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

ALARM & ERROR LIST (ALARM B)

2848 Chip Conveyer Over Load
The chip conveyer overload function is activated.
[Probable Faulty Locations]
The chip conveyer motor is put under excessive load.
[Measures to Take]
Check the chip conveyer for clogging with chips.

2849 Sensor unit interference position
[Code]
1->An axis move command for turret A was executed while turret B was not at the X/Z positive limit position.
2->An axis move command for turret A was executed while turret A was not at the specified position (indexing position).

2850 Program external request prohibited
When an external device request was issued, the robot was not in a state ready to accept the request.
[Code]
1->Robot is not in program operation mode.
2->Robot is in machine lock state.
3->The robot key switch is set to neither [LINK OPERATION] nor [OPERATION INHIBIT].
4->Swivel is not at position A.
5->C-axis is not outside the machine.
[Probable Faulty Locations]
1)The key switch is set to neither [LINK OPERATION] nor [OPERATION INHIBIT].
2)The mode selection is not set to [PROGRAM OPERATION].
3)Swivel is not at position A.
4)C-axis is not outside the machine.
5)The machine is in machine lock state.

2851 Machine changeover M command
In multiple machine specifications, an NC M code was executed without a machine changeover command.
[Code]
1->In stand-alone operation specifications, an M command was executed for a machine not in linked mode.
[Probable Faulty Locations]
1)Program error
2)Operation error

2852 Hand open/close interlock
A hand open/close command was executed while in hand interlock state.
Hand interlock state indicates that the Z-axis hand interlock or Y-axis hand interlock signal is OFF.
[Probable Faulty Locations]
1)Program error
2)Operation error

2853 Teach operation condition unmet
In robot/loader CE specifications, the program operation condition in robot/loader teach mode requires single block to be ON, but single block was turned OFF during program operation.
[Probable Faulty Locations]
Operation error
[Measures to Take]
When running a loader program in robot/loader teach mode, single block must be ON.

2854 Machine linked M command
An M code was executed when not in linked mode.
[Code]
Hexadecimal number of the commanded M code
[Probable Faulty Locations]
1)Program error
2)Operation error

2855 Coolant filter
Coolant filter error.
[Code]
1->Coolant filter is clogged.
[Probable Faulty Locations]
1)Coolant filter is clogged, or the float switch in the coolant filter tank is faulty.
[Measures to Take]
1)Replace the filter, or check the float switch in the coolant filter tank.

2856 Coolant motor overload
[Code]
None->This alarm occurs when coolant motor overheat or fault is detected.

2857 UNUSABLE M-CODE
Code: M-code

2858 Hand slide advanced interlock
A hand slide advanced command is given while the system is in t
he hand interlock state.
[Probable Faulty Locations]
1)Program error
2)Operation error

2887 Linked device interlock
[Code]
1->An alarm condition was generated by the linked device.

2888 Lubrication tank level
Guideway lubrication tank oil level is low. The oil level signal was ON for 2 s or more.
[Code]
1->Guideway lubrication oil flow is low or oil level is too low for 2 s or more.
[Probable Faulty Locations]
Low guideway lubrication oil level
[Measures to Take]
Replenish guideway lubrication oil.

2890 Workpiece clamp error
In traveling steady rest specifications, the workpiece rest unit is at the Z-direction advance end and X-direction advance end.

2891 Tailstock air blow failure
[Code]
1->At tailstock air blow failure check ON command (M733), the pressure switch input did not turn ON within the tailstock air blow failure check time.
2->At tailstock air blow failure check ON command (M733), the air pressure switch input was already ON.
3->Although the tailstock air blow failure check command (M433) was issued, the pressure switch does not turn ON after check start.

2892 Tailstock air blow check air blow OFF command prohibited
An air blow OFF command (M730) was executed during tailstock air blow failure check monitoring.

2893 Hydraulic unit oil controller error
[Code]
1->Hydraulic oil controller error signal (I.025D) has been OFF for 1 s or more.

2894 Spindle lube controller error
[Code]
1->Spindle lube controller error signal (I.025C) has been OFF for 1 s or more.
2->Spindle lubrication oil flow rate input signal remains OFF.

2895 Coolant controller error
[Code]
1->Coolant controller error signal (I.025B) has been OFF for 1 s or more.

2896 Touch setter not specified
[Code]
1->A touch setter advance/retract command was executed in G13/G141 mode or G14/G141 mode.

2897 Unloader not specified
In unloader specifications, the following unloader operations were executed not in G14/G141 mode:
-Unloader base shift left/right
-Unloader swing arm advance/retract
-Unloader hand open/close
-Unloader shutter open/close

2898 Unloader interference position
On LT10,
An axis move command for the R-spindle ZA-axis to the specified position in G13/G140 mode was executed while the unloader carriage was not at the right end.
On MACTURN250,
An axis move command for the R-spindle ZA-axis to the specified position in G13/G140 mode was executed while the unloader shutter was not closed.

2899 Gauging unit error
Gauging data error
[Code]
1->While the [RUN] signal was present, [ACK] (gauging->NC) was not returned.
2->Erroneous BCD data (gauging data)
3->When reading gauging data, the [ERR/] state (gauging amplifier [ERR] or BCD unit [ERR/] state) occurred consecutively X times (consecutive count of [ERR/] states commanded by M17).
[Probable Faulty Locations]
Erroneous data read from gauging unit.
[Measures to Take]