Zeror.ai Error Codes ABB 73B1

ABB 73B1

Brand: ABBModel: ACS880Error code: 73B1

What the Fault Means

Fault: Stop failed

Likely causes

  • Ramp stop did not finish within expected time.

Solution and Safe First Checks

  1. Check the settings of parameters 31.37 Ramp stop supervision and 31.38 Ramp stop supervision delay. Check the predefined ramp times in parameter group 23 Speed reference ramp.

Safety: do not work inside the panel without isolating the power; if unsure, consult a qualified technician.

Related ABB error codes

Source: the Zeror.ai industrial fault database and ABB technical documentation. This page is for information; on critical systems follow the manufacturer's manual and authorised service.