Interroll Drum motor series i, S, S/A, D
Troubleshooting
Version 4.1 (06/2015) en-US
Translation of original instruction manual
97
Fault Possible cause Remedy
Motor does not start or stops
during operation
Drum shell or conveyor belt
blocked
Ensure that belt and drum motor are not being blocked and all
rollers and drum shells can turn freely.
If the drum motor cannot turn freely, the gear box or the
bearing may be blocked. In this case, contact the local Interroll
dealer.
Low ambient temperature /
high oil viscosity
Check whether the oil viscosity is suitable for the current
ambient temperature. If not, fill in new oil with the correct
viscosity (only possible for i-series).
Install a heater or more powerful drum motor. In this case,
contact the local Interroll dealer.
Gear box or bearing blocked Check by hand if the drum shell can be turned freely.
If not, replace drum motor or contact local Interroll dealer.
Incorrect assembly Check whether a starting capacitor is required for a single-
phase motor.
Ensure that the motor is not rubbing against the
conveyor belt frame.
Motor is running, drum shell
does not turn
Transfer loss Contact local Interroll dealer.
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