Motor overtemp. prewarning

Was bedeutet E2051 ?

This is a prewarning indicating that the motor temperature has reached an elevated level, approaching its thermal limits. Continued operation at this temperature could lead to motor damage or a full shutdown.

• Motor running at excessive load for extended periods.
• Inadequate motor cooling due to blocked vents, fan failure, or high ambient temperature.
• Incorrect motor parameters configured in the drive, leading to improper current control.
• Faulty motor temperature sensor or wiring.

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1. 1

   Check the mechanical load on the motor and ensure it is within specified limits for continuous operation.

2. 2

   Verify the motor's cooling system (fans, fins) is clean and functioning correctly. Ensure adequate airflow around the motor.

3. 3

   Inspect motor cabling and connections for damage or loose terminals that could cause increased resistance and heat.

4. 4

   Review drive parameters related to motor thermal model and current limits. Compare with motor nameplate data.

5. 5

   Monitor the motor temperature using external means if possible, and compare with the drive's reported temperature to verify sensor accuracy.