ALARM 36

Mains failure

Danfoss · VLT HVAC Drive High Power

What does ALARM 36 mean?

The supply voltage to the frequency converter is lost. This warning/alarm is active only if parameter 14-10 Mains Failure is not set to [0] No Function. This causes a complete loss of power to the drive and connected motor.

Complete Troubleshooting Guide

  1. 1

    Check the fuses to the frequency converter.

  2. 2

    Check the mains supply voltage to the unit.

Source: Danfoss Manual