Okuma Alarm-B 2783 Oil hole motor overload
The overload relay for the through-the-tool coolant pump motor is tripped.
Code
1->Oil hole (through spindle coolant) ON confirmation signal OFF more than 3[s] while oil hole (through spindle coolant) motor ON.
Probable Faulty Locations
1)Defective through-the-tool coolant pump motor.
2)Clogged lubrication pump.