A0047 fault in WEG CFW701 Drive

A0047 alarm in WEG CFW701 Drive indicates an IGBT Overload Alarm. This means the inverter’s power modules are operating near their maximum current capacity limits, warning of a potential thermal trip.

Cause:

  • The inverter output current is too high.

Note: This alarm can be disabled by setting parameter P0350 = 0 or 2.

Remedy:

Verify motor operating loads and current. Setting P0350 to 0 or 2 disables this alarm.