SKF 655-41261-1, Руководство по эксплуатации

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EN
11. Troubleshooting
- 74 - 951-181-014-EN
Version 16
11.6 Fault table of CEMP motor
Fault Possible cause Remedy
Motor does not accelerate
Incorrect connection
Check whether the connection corresponds to the connection diagram of the
motor.
Motor switch opens due to overload Check motor switch
Check motor switch Check bearings and lubrication
Short circuit in the stator Motor must be replaced
Defective rotor Check rotor and replace, if necessary.
One phase is down Check the connection cables
Too low voltage Check whether the motor is powered with the right voltage
Overload Reduce load
Motor does not reach
the rated speed / too low
acceleration
Defective rotor Check rotor and replace, if necessary.
Voltage drop in the line Check whether the connection cables have been dimensioned correctly
Motor gets too hot during
the load
Overload Reduce load
Contaminated airways and cooling fins Clean airways and cooling fins
Bearings too hot
Insufficient bearing lubrication Check bearings and refill or replace lubricant, if applicable
Too much lubricant in the bearing Check bearings and remove lubricant, if applicable
Defective bearing Check bearing and replace, if necessary.
Wrong direction of motor
rotation
Wrong connection of the phases Check phases and correct, if necessary.
Unusual vibrations
Defective bearing Check bearing and replace, if necessary.
Motor not fixed appropriately Check fixation and correct, if necessary.
Unusual noises
Defective bearing Check bearing and replace, if necessary.
The fan touches the fan housing Check and correct, if necessary.
For further relevant information on maintenance, see original Instructions by the motor manufacturer. Make sure to observe these at all times.