Error code

ABB inverter All models code E021

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Meaning

Self Test Error 2

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

The inverter's test detects a problem with the relay of the DC-AC circuit regime

Solution steps are available to members and are not shown on this page. Answer the questions to open the solution.

Get help from a technician over a video call.