Error code

Danfoss VFD All models code AL30

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Meaning

Drive detects an open phase on motor output. This only appears when running (not at start)

Member details

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

Possible causes

Typically a loose or broken output wire, or open-circuit in a phase. On drives with removable phase terminals, a loose connector can cause this. Rarely, a failed IGBT can make one phase output open

Solution

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

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