ABB ACS560 Drive
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Jul 13, 2021 7:09 am
How can resolve problem A4A1 IGBT overtemperature alarm/warning in ABB ACS560 Drive ?
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Jul 13, 2021 7:09 am
Cause : Estimated drive IGBT temperature is excessive.
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.
