ABB ACSM1 Drive
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Dec 21, 2021 1:02 pm
How can resolve problem A2035 PS COMM alarm in ABB ACSM1 Drive ?
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Dec 21, 2021 1:02 pm
Cause : Communication errors detected between the JCU Control Unit and the power unit of the drive.
Check the connections between the JCU Control Unit and the power unit.
If the JCU is powered from an external supply, ensure that parameter 95.01 CTRL UNIT SUPPLY is set to (1) External 24V
