ABB ACS850 Drive
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Dec 20, 2021 11:55 am
How can resolve problem F0031 SAFE TORQUE OFF Fault in ABB ACS850 Drive ?
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Dec 20, 2021 11:55 am
Cause : Safe torque off function is active, i.e. safety circuit signal(s) connected to connector XSTO is lost during start or run, or while drive is stopped and parameter 30.07 Sto diagnostic is set to Fault.
Programmable fault:
30.07 Sto diagnostic
Check safety circuit connections.
