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 seconds or longer.
Code
1->The temperature control unit of the coolant unit failed.
2->The temperature control unit of the spindle lubrication unit failed.
3->The temperature control unit of the hydraulic unit failed.
4->Filter alarm signal of the temperature control unit of the hydraulic unit is ON.