Danfoss VLT Alarm 72: Dangerous fault

Danfoss Electrical Alarm Drive

Model: VLT 2800 / FC Series | Code: 72

Applicable Systems
FC-302 FC-301

Symptoms

MCB112 card illegal combination of safe stop methods.

Possible Causes

  • Dangerous fault

Troubleshooting Steps

  1. Step 1: Verify MCB112 configuration; correct safe stop method settings.
    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.

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

Category: Electrical