Group code f-e-e6d15i11c-: “chiller <C> compressor inverter undervoltage”

Situation

Solution

The DC bus voltage is below the limits due to insufficient power supply voltage.

  1. Check power network voltage.

  2. Ensure the inverter power terminals are tightened properly.

Malfunction Compressor inverter.

Replace compressor inverter. See service manual of the chiller.