A0046 fault in WEG CFW500 Drive

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A0046 alarm in WEG CFW500 Drive indicates a Motor Overload. This means the calculated motor temperature model exceeded safe limits due to sustained excessive load. 

Cause:

  • Settings of parameters P0156, P0157, and P0158 are configured too low for the used motor.
  • Overload on the motor shaft.


Remedy:

Verify if parameters P0156, P0157, and P0158 are configured correctly according to the motor's actual capacity. Inspect the motor shaft and machine for mechanical blocks.

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