Okuma Alarms Errors

Okuma Alarm-D 4810 System check This alarm shows that the system is under adjustment. Code Kind of adjustment

Okuma Alarm-D 4827 Canceling chuck grasp interlockl Code None->The chuck grasp interlock cancel mode is being selected.

Okuma Alarm-D 4811 Coolant tank upper level The coolant level exceeded the upper limit. Code 1->The main tank coolant level normal (upper limit) signal remained OFF for more than 3[s].

Okuma Alarm-D 4828 Please switch door interlock ON The door interlock is not activated at machine starting up with “Doorinterlock switch confirmation function”. Please once activate door interlock with selecting…

Okuma Alarm-D 4829 NC tailstock thrust change interlock NC tailstock trust change position is not retract position or retract end position.

Okuma Alarm-D 4820 M-Spindle rotation limit M-spindle speed is limited. Code 1->M-Spindle revolving revolution speed is M-spindle extremely low revolution speed mode max speed. 2->M-Spindle revolving revolution speed is M-spindle…

Okuma Alarm-D 4821 Steady rest interlock Code 1->XD/XE/XF/ZB/ZD/ZE/ZF/W-axis move command was issued when steady rest is not opened. 2->ZB/ZD/ZE/ZF/W-axis move command was issued when steady rest is not unclamped. 3->ZB/ZD/ZE/ZF/W-axis…

Okuma Alarm-D 4822 Feed axis condition Code 1->Cutting-feed speed is 0[mm/min].

Okuma Alarm-D 4823 Turret indexing at reduced speed The turret is indexing with reduced speed. Even though the turret seems stopping, it is continuously indexing. To interrupt turret indexing, please…

Okuma Alarm-D 4825 Axis position encoder control error Code 1->B-axis direct position encoder was not OFF, when a auxiliary tool was mounted in the turret H1. 2->B-axis direct position encoder…

Okuma Alarm-D 4826 General overload detection disabled NC control cannot be prepared, overload detection has been stopped. Object None Character-string None Code None Probable Faulty Locations General overload detection from…

Okuma Alarm-D 4812 Chip crusher error Code 1->The chip crusher overload/signal kept OFF.

Okuma Alarm-D 4813 Waiting for workpiece check Code 1->Waiting for random check. 2->Waiting for first work check.

Okuma Alarm-D 4814 Chuck open/close interlock Chuck open/close condition is not satisfied. Code 1->The front air chuck unclamp confirmation signal is OFF. 2->The front air chuck clamp confirmation signal is…

Okuma Alarm-D 4850 Safety fence interlock Safety fence of robot/loader was opened. By this condition, loader (robot) axis becomes a reset condition. Moreover, operation according to a MANUAL OPERATION and…

Okuma Alarm-D 4851 Door interlock Code None->The front door on the NC machine is open. In this situation, the machine cannot be manually started or operated with the loader axis…

Okuma Alarm-D 4852 Canceling stroke end limit The emergency limit release switch is ON in the manual operation mode.

Okuma Alarm-D 4853 Robot/loader power sequence error Code 1->When the Robot/Loader emergency stop switch was pushed, the timer relay of Robot/Loader emergency OFF delay was not turned off. 2->When “Robot/Loader…

Okuma Alarm-D 4854 Loader interference The loader was reset in MANUAL OPERATION mode with alarm A ‘1863 Loader Interference’ pending.

Okuma Alarm-D 4830 Tool indexing not complete The tool index command (M602/M603) is not completed, or M-spindle clamp confirmation turns to off. Code None Measures to Take Perform the tool…

Okuma Alarm-D 4831 Door interlock Code 1->The automatic door open/close safety rubber switch was turned off while the full enclosure shielding was closing. 2->A window on the flont door is…

Okuma Alarm-D 4844 Coupling device interlock Code 1->A coupling device is alarm condition.

Okuma Alarm-D 4845 Coolant level warning Coolant is running short. Code 1->The input signal of coolant level shortage (I/O check NO.36 INPUT bit 5 iCOLLON/)is OFF which is longer than…

Okuma Alarm-D 4846 Unloader setting position parameter Code None->The unloader location specified by the parameter is overlapped with the bar feeder location (for bar feeder types).

Okuma Alarm-D 4862 Dual cycle start button interlock The conditions for starting are not met (for loader dual-palm starting types). Code 1->The rise time of the one START button was…

Okuma Alarm-D 4847 Interference area intrusion Code None->The spindle is entering the interference range. 1->ZB-axis feed command was issued in interference area when XB-axis is not in pulse limit position….

Okuma Alarm-D 4863 Tool change count-up The tool change counter has counted up.

Okuma Alarm-D 4848 No lower table present signal The STEADYREST EFFECTIVE/INEFFECTIVE key switch was set to EFFECTIVE with the ‘lower table present’ signal OFF. Code None->The above condition occurred. Measures…

Okuma Alarm-D 4865 Performing turnover cycle Lock button of safety guard was pushed during turn over cycle in action by M387, when safety guards were locked in LOADER AUTO mode….

Okuma Alarm-D 4849 Coolant level Coolant is running short or overflown. Code None->The coolant level low switch (I/O check NO.34 INPUT bit 0 iCOL/) kept OFF for a second or…

Okuma Alarm-D 4855 Front door open interlock An attempt was made to open the safety fence with the front door already open in loader teaching mode where only part of…

Okuma Alarm-D 4856 Please open safety fence If a safety fence close limit switch has been ON at the time of power-up, this message appears to ask the operator to…

Okuma Alarm-D 4873 Door open/close limit switch NG An abnormality occurred in any of the limit switches used to confirm open/close state of the front door. Code 1->The door open…

Okuma Alarm-D 4857 Please close safety fence An attempt was made to open the front door with the safety fence already open in loader teaching mode where only part of…

Okuma Alarm-D 4860 Multiple safety guards open This alarm occurs if the ENABLE button on the loader teaching panel is pressed with more than one safety guard (safety fence or…