Okuma Alarms Errors

Okuma Alarm-C 3856 Coolant motor overload Coolant motor over load This alarm occurs when coolant motor overload is detected by overheated or malfunction. Code 1->This alarm occurs when filter motor…

Okuma Alarm-C 3857 Oil skimmer overload Code None->This alarm occurs when oil skimmer overload is detected by motor overheated or malfunction.

Okuma Alarm-C 3858 Chuck grip confirmation unit faulty The conditions are not met (for optional index chuck grip confirmation types or optional double cylinder chuck types). Code 1->The grip confirmation…

Okuma Alarm-C 3859 Fire extinguisher error Fire extinguish unit error by the running out of extinguishant,etc. Code None->The fire extinguish unit error signal turned OFF.

Okuma Alarm-C 3860 Fire extinguisher power OFF or error Fire extinguish unit is power OFF.Or fire extinguish unit error by the runnig out of extinguishant,etc. Code None->The fire extinguish unit…

Okuma Alarm-C 3861 Chip conveyer filter clogged Code None->Chip conveyer drum filter is clogging. Probable Faulty Locations 1)The filter is clogged.

Okuma Alarm-C 3862 Filtration unit error Error was caused on Filtration unit. Code 1->Filtration unit alarm/ signal kept OFF for 3 seconds or longer.

Okuma Alarm-C 3874 Sub chip conveyor error Code 1->The sub chip conveyor failed. The sub chip conveyor alarm signal kept OFF for a second or longer.

Okuma Alarm-C 3849 Tool counter full count A tool counter has counted up. Reset the tool counter. Code 1->Tool counter 1 has counted up. 2->Tool counter 2 has counted up….

Okuma Alarm-C 3850 External alarm An external alarm has occured (external alarm C/ signal is turned off). Code NON->A problem has occurred with an external device. (for loader interface types)…

Okuma Alarm-C 3879 Gauging NG Code 1->Gauging NG signal was received from External gauging unit. 2->Gauging NG signal was received from robot/roader.

Okuma Alarm-C 3875 Absolute encoder controller error ABSOCODER failed. Code 1->An attempt was made to start the NC unit when the [Unit faulty/] signal from absolute coder was OFF. Probable…

Okuma Alarm-C 3876 Workpiece loading unit stop signal ON Code 1->Equipment stop signal was received from Work insert unit.

Okuma Alarm-C 3877 Workpiece counter full count Code None->A work counter has counted up. Measures to Take Reset the work counter.

Okuma Alarm-C 3878 Concentrated chip conveyor Code 1->The concentrated chip conveyor action signal kept OFF. Probable Faulty Locations The concentrated chip conveyor stopped. Measures to Take Please The concentrated chip…

Okuma Alarm-C 3881 Turnover cycle time over The workpiece turn and handover command (M312) was not completed within a minute (for tandem loader types).

Okuma Alarm-C 3882 Start impossible Code None->The loader program was started with the machine or workpiece conveyor setup switch ON. 1->A start command was issued with neither of the X…

Okuma Alarm-C 3883 Chip crusher error Code 1->The chip crusher failed. The chip crusher alarm/signal kept OFF for a second or longer. 2->The chip crusher failed. The chip crusher running…

Okuma Alarm-C 3884 Workpiece puller operation incomplete Code 1->A series of workpiece puller operations (from advance to retract) were not completed within the preset time after a longitudinal workpiece orientation…

Okuma Alarm-C 3901 External An external alarm has occured (external alarm C/ signal is turned off).

Okuma Alarm-C 3885 No workpiece 1->A machine start command was issued with the loader raised to the retract position but the no workpiece at loading position signal ON.

Okuma Alarm-C 3886 Workpiece present 1->A loader at rotation point signal was issued with the loader raised to the rotation point but the no workpiece at loading position signal OFF.

Okuma Alarm-C 3887 Temperature control unit error The alarm/signal issued by any of the temperature control units, which are always checked by the NC for failures, kept OFF for 2…

Okuma Alarm-C 3888 Chip conveyor faulty Code none->Chip coveyer failed. If “1” is set at MC USER PARAMETER No.19 CHIP CONVEYER “1. Chip conveyer overload/illegal alarmD” the alarm D 4892…

Okuma Alarm-C 3889 EExternal start signal ON An M02 or M30 was executed in AUTO mode with an external start signal ON.

Okuma Alarm-C 3890 Low level in oil tank Oil tank level is low. Code 1->The oil level in the oil tank is too low. 2->The input signal of oil tank…

Okuma Alarm-C 3891 Multi-counter tool life Code 1->The tool multi-counter indicates the end of tool life (the multi-counter tool life input signal turned ON).

Okuma Alarm-C 3892 Hydraulic oil level lower limit Code 1->The hydraulic oil level lowest limit/signal kept OFF for a second or longer. 2->The hydraulic oil level/ signal kept OFF for…

Okuma Alarm-C 3895 Coolant controller error Code 1->The coolant controller alarm/signal (I.025B) kept OFF for a second or longer. 2->The coolant cooler alarm/signal (I.0366) kept OFF for 2 seconds or…

Okuma Alarm-C 3896 Tool change count-up The tool change counter has counted up. Code None->The tool change counter has counted up. 1->The grinding whetstone life warning signal turned ON.

Okuma Alarm-C 3897 Workpiece stocker full The conveyor full/signal from the work-out conveyor kept OFF for 10 seconds (for work-out conveyor full sensor types).

Okuma Alarm-C 3898 Cooler error The cooler within the control box failed.

Okuma Alarm-C 3900 User reserve code The alarm set for register No.99. This alarm occurs if the following program is executed. R99 = ****(****is displayed in a code.) Code The…

Okuma Alarm-C 3893 Hydraulic unit oil controller Code 1->The hydraulic oil controller alarm/signal (I.025D) kept OFF for a second or longer. 2->The hydraulic unit cooler alarm/signal (I.0367) kept OFF for…

Okuma Alarm-C 3894 Spindle lubrication controller error Code 1->The spindle lubricant controller alarm/signal (I.025C) kept OFF for a second or longer. 2->Spindle lube oil controller error switch(I.0246) remained OFF longer…