Danfoss VLT Alarm 93: Dry pump

Danfoss Electrical Alarm Drive

Model: VLT 2800 / FC Series | Code: 93

Applicable Systems
FC-302 FC-301

Symptoms

Pump running dry - no liquid flow detected.

Possible Causes

  • Dry pump

Troubleshooting Steps

  1. Step 1: Check pump installation and liquid supply; verify flow sensor.
    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