Four-column cutting machine failure phenomenon I
1. The indicator light is off: the whole machine has no power.
2. Transformer insurance burned: replace the fuse
3. The brake switch is not open: turn on the power brake switch
4. The indicator light does not illuminate to start the motor: the indicator bulb burns out and replaces the indicator bulb
5. The indicator light is on and the motor cannot be started.
(1). Motor protection switch Flip: Open motor protection switch
(2). The main control contactor is bad or burned: Replace the contactor
(3). Motor burned: replace the motor