Motor malfunctions

The following table shows fault diagnostics options for malfunctions of the motor:

Fault

Possible cause

Measure

Motor heats up excessively and trips an error

Overload

Measure power, use larger motor or reduce load if necessary, check travel profile

Ambient temperature too high

Observe permitted temperature range

Insufficient cooling

Clean the drive

Running noise on motor

Bearing damage

  • Contact SEW‑EURODRIVE Service
  • Replace motor

Vibration of rotating parts

Rectify cause, possible imbalance

Oil leaks in the connection box or at the motor/gear unit connection (only with gearmotors)

Internal seal defective

  • Contact SEW‑EURODRIVE
  • Have seal changed by SEW‑EURODRIVE Service or a qualified technician trained by SEW‑EURODRIVE