Zeror.ai Error Codes ABB 3291

ABB 3291

Brand: ABBModel: ACS880Error code: 3291

What the Fault Means

Fault: BU DC link difference

Likely causes

  • Difference in DC voltages between parallel-connected inverter modules.

Solution and Safe First Checks

  1. Check the auxiliary code (format XXXY YYZZ). “XXX” specifies the source of the first error (see “YYY”). “YYY” specifies the module through which BCU control unit channel the fault was received (0: Channel 1, 1: Channel 2, 2: Channel 3, 4: Channel 4, 8: Channel 5, …, 400: Channel 12).

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 3291 · Zeror.ai