Troubleshooting Of Precision Four-post Cutting Machine

- Apr 23, 2020-

1. The indicator light is off, whether the cutting machine has no power


2. The indicator light is not on but the motor can be started. Replace the indicator light


3. Transformer fuse burned out, replace fuse


4. The brake switch is not turned on, turn on the brake switch


5. The light is on and the motor cannot be started


a. The protection switch has tripped and the protection switch is turned on


b. The contactor has bad contact or burned, replace the contactor


c. Motor burned out: Replace the motor


6. The indicator light is on, the motor can start but cannot work


a. Knife mold setting switch hits the horizontal position to lock the oil circuit


b. Motor reverse


c. Poor contact of operation switch


d. Solenoid valve coil burned out, change the coil


e. Solenoid valve core card main, cleaning valve core


F. The adjustment stroke handle is loose and needs to be reset


7. It can be reset if it cannot work, and the circuit board in the electric box may be burned.


8. Insufficient cutting machine pressure


a. Material layers are thick, reduce thickness


b. Set the travel switch position too low, adjust the switch height


c. Filter is blocked, cleaned or replaced


d. the oil pump is broken, replace the oil pump


e. Hydraulic oil takes too long, replace the hydraulic oil


9. Oil leakage


a. Aging of the oil cylinder seal


b. High-pressure tubing joint loosened and tightened