Serial No.

Failure phenomenon

Reason

Solution

1

Cannot be started

Abnormal wiring, wrong wiring of the control circuit or poor contact of various connecting line

Check wiring

Whether parameters of the motor frequency converter match

Adjust the frequency converter parameters or contact the manufacturer

Excess load

Reduce load

Whether motor insulation is too low

Contact the manufacturer

Others

Contact the manufacturer

2

Abnormal noise or excessive vibration of the motor

Decentraction of the motor and rotary drum

Find the reason for reinstallation

The motor and frequency converter parameters do not match

Adjust the frequency converter parameters or contact the manufacturer

Excess load

Reduce load

Bearing oil shortage or damage

Fill lubricating oil or contact the manufacturer

Others

Contact the manufacturer

3

Too high temperature rise of the motor or smoking

Overload

Reduce load

The motor is not connected with water

Connect the waterway

Poor contact of the circuit

Check wiring

4

Bearing overheating

Bearing damages

Contact the manufacturer for replacement

Excessive or little lubricating grease or impurities

Adjust or replace