ABB ACS800 Drive
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Jun 19, 2024 6:09 am
Cause : TEMPERATURE MEASUREMENT ALARM comes when motor temperature measurement is out of acceptable range.
The code FF91 in your ABB ACS800 drive indicates a fault related to the motor temperature. This signifies that the measured motor temperature has exceeded the set fault limit within the drive.
- Check connections of motor temperature measurement circuit.
2 Replies
Sep 10, 2024 4:51 am
alarm ff 91 showing what we need to check