Okuma Alarm-A 1739 Chuck clamp pressure insufficient
During a chuck open/close operation, ID/OD gripping direction is changed. Or low chucking pressure state has continued for more than 2[s].
Object
SYSTEM
Code
100->Low chucking pressure state has continued for 2[s].
Spindle-1:I/O check NO.24 INPUT bit 4 (iCPA/) is 0.
Spindle-2:I/O check NO.32 INPUT bit 5 (i2CPA/) is 0.
101->Rear low chucking pressure state has continued for 2[s].
102->Low Tailstock chucking pressure state has continued for 2[s].
103->Low face driver moving pressure state has continued for 2[s].
104->The front air chuck pressure has dropped during spindle rotation.
105->The rear air chuck pressure has dropped during spindle rotation.
Probable Faulty Locations
1)Low hydraulic oil level
2)Defective hydraulic oil motor