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5. Trouble-shooting
Fault Possible reasons Solution
1. The motor switch isn't open.
1. Turn on the motor switch.
2. The fuse is broken.
2. Replace a new fuse.
It doesn't start after
turning on the main
switch.
3. The transformer is burnt out.
3. Replace a new transformer.
1. The motor switch isn't open.
1. Turn on the motor switch.
2. The circuit breaker trips.
2. Press "RESET" key.
3. The magnet contactor
breakdowns.
3. Replace a new magnet contactor.
The motor doesn't
run.
4. The motor is burned out.
4. Replace a new motor.
1. The temperature controller
breakdowns.
1. Replace it.
2. The temperature contactor
breakdowns.
2. Replace it.
3. The magnet contactor
breakdowns.
3. Replace it.
The temperature is
abnormal.
4. The heater breakdowns.
4. Replace it.
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