Danfoss VLT Alarm 56: AMT interrupted

Danfoss Electrical Alarm Drive

Model: VLT 2800 / FC Series | Code: 56

Applicable Systems
FC-302 FC-301

Symptoms

AMT calculation interrupted by user or alarm.

Possible Causes

  • AMT interrupted

Troubleshooting Steps

  1. Step 1: Clear alarms and retry AMT; ensure stable conditions during tuning.
    Fault resolved after action

How to Reset

Reset by: 1) Correct the fault condition. 2) Press RESET button or cycle power. 3) Verify fault does not recur.

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Source: Danfoss VLT 2800 Manual (sinodrive.com)

Category: Electrical