Zeror.ai Error Codes ABB 4990

ABB 4990

Brand: ABBModel: ACS880Error code: 4990

What the Fault Means

Fault: FPTC not found

Likely causes

  • A temperature monitoring module has been activated by parameter 35.30 but cannot be detected.

Solution and Safe First Checks

  1. Power down the control unit and check that the module is properly inserted in the correct slot. The last digit of the auxiliary code identifies the slot.

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.

ABB 4990 · Zeror.ai