Not able to reset after emergency stop
- B.D.C (bottom dead center) sensor doesn't work.
Check the electrical contact point. If there is anything wrong, replace the sensor. - Feed sensor doesn't work.
Check the electrical contact point. If there is anything wrong, replace the sensor. - O.L.P. solenoid stuck.
Check whether something inside to block the solenoid. Clean it or replace it. - Emergency stop circuit wire loosened.
Check the circuit and fasten it. - Relay's close stops main motor.
Check the current setting on thermal relay. If the setting is correct, reset the relay. Or adjust it. - Leakage in O.L.P.
Check the packing seal. If any damage found, replace it. - Pre-set counter broken.
Check the electrical contact point and clean it. - Oil level sensor broken.
Replace it. - Wrong grease leads to abnormal lubricating.
Check the specification of grease, if anything wrong, replace it. - Converter self-protect.
Check the temperature of converter and the ventilation. Replace the fan if needed. Check the indicating light and follow the instruction manual to repair it. - Air pressure switch actuated by vibration.
Check the air pressure in tank. If any wrong occured, replace the pressure switch. - Run out of battery.
Replace a new battery. - Stuck release pressure switch broken.
Check the switch. Replace it if need. - Air pressure switch setting loosened.
Fasten it.
Abnormality in Slide
- Cap above ball screw loosened.
Clean inside and fasten all bolts. - Air pressure in counterbalance.
Adjust it according to the pressure curve. - O.L.P. solenoid stuck
Check it and connect it. - Parts loosened.
Replace all the broken parts. - Locking pin loosened.
Fasten it.
Oil leakage
- Oil pipe loosened in con-rod.
Fasten the pipe. - Oil is over added in gear box.
Drain the excess oil till the suitable oil level. - Packing seal in the O.L.P. broken.
Replace it. - Packing seal ageing and broken.
Replace it. - Leakage in O.L.P. pressure switch.
Replace it. - Oil splash in Clutch/Brake air exhaust.
Check the pneumatic lubrication oil amount. - Oil splash in slide gib.
Check the oil amount and adjust it. Also, check the oil pan position.
Air leakage
- Counterbalance.
Check the upper and lower part sof cylinder. Replace the packing seal if need. - Piping.
Check all the fittings, replace if need. - Die cushion.
Check all packing seals. Replace it if need. - O.L.P.
Check all packing seal, Replace it if need. - Leakage in filter.
Check oil cup in filter. Replace it if need. - Solenoid.
If there is something wrong inside to stuck, clean it.
Abnormality in Slide adjust
- Motor's stop.
Check thermal relay and reset it. - Air pressure too high.
Adjust the air pressure based on the balance chart. - Die height limit circuit broken.
Check the upper and lower limit circuit. Re-wire it if need. - Motor wire loosened or short circuit.
It could cause motor and contactor burning. Check wire condition. - Switch broken.
Replace it. - Connector of solenoid broken.
Re-wire it. - Brake lining broken.
Replace lining. - Wiring in T-stand broken.
Re-wire it. - Worm gear and wheel wear off.
Replace all. - Slide locking cylinder stuck.
Check cylinder and clean it. - Air pressure too high in counterbalance.
Adjust to suitable air pressure based on the pressure chart. - Upper and lower limit can't work properly.
Check the limit setting and wiring condition.