58

AMA internal fault (Contact supplier)

Danfoss · VLT HVAC Drive High Power

What does 58 mean?

A persistent internal fault has occurred during the Automatic Motor Adaptation (AMA) process that cannot be resolved through simple restarts. This indicates a potentially deeper issue with the drive's internal diagnostics or hardware.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Contact the Danfoss supplier for advanced troubleshooting and potential drive repair or replacement.

Source: Danfoss VLT HVAC Drive High Power
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