Today, let’s talk about the reasons why the crusher can’t start, and the solutions. I hope that through today’s explanation, everyone will know more about the causes of these failures, so as to avoid these problems in future use.
Electrical system failure
1. Abnormal power supply voltage/lack of phase
A: Fault symptoms: the motor is weak and makes abnormal noise, so the equipment cannot be started normally.
B: Solution: Check the wiring, distribution box and electric meter to confirm that the voltage is stable and the three-phase electricity has no phase; Repair damaged lines and tighten loose terminals.
2. The switch/contactor is damaged
A: Fault symptom: There is no response when the start key is pressed, and the indicator light is not lit. B: Solution: Check the start-stop switch, AC contactor and thermal relay, replace the faulty parts and reset the tripping protection device.
3. Motor failure
A: Fault symptoms: the motor is hot, burnt and stuck.
B: Solution: Overhaul the motor windings and bearings without power supply, and directly replace the motor when it is seriously worn or burned.
In a word, the causes and solutions of electrical system failures are the above points, and then I will supplement other aspects.
















