ABB ACS560 Drive
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Jul 13, 2021 12:03 pm
How can resolve problem A793 BR excess temperature alarm/warning in ABB ACS560 Drive ?
1 Reply
Jul 13, 2021 12:03 pm
Cause : Brake resistor temperature has exceeded warning limit defined by
parameter 43.12 - Brake resistor warning limit.
1. Stop drive. Let resistor cool down.
2. Check resistor overload protection function settings (parameter group 43 Brake chopper).
3. Check warning limit setting,
parameter 43.12 - Brake resistor warning limit.
4. Check that braking cycle meets allowed limits.
