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A4A1 warning in ABB ACS180 drive

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(@click2electro)
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Joined: 4 years ago

Cause : IGBT overtemperature - comes when estimated drive IGBT temperature is excessive or IGBT temperature sensor faulty.

  1. Check ambient conditions.
  2. Check air flow and fan operation.
  3. Check heatsink fins for dust pick-up.
  4. Check motor power against drive power.
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