Danfoss VLT Alarm 1: DC bus low voltage

Danfoss Electrical Alarm/Warning Drive

Model: VLT 2800 / FC Series | Code: 1

Applicable Systems
FC-302 FC-301

Symptoms

DC bus voltage below minimum threshold.

Possible Causes

  • DC bus low voltage

Troubleshooting Steps

  1. Step 1: Check power supply voltage and mains connection.
    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.

Related Danfoss Fault Codes

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Source: Danfoss FC Series Alarm Codes (agilectrl.com)

Category: Electrical