LED: PWR-INV (green) Not lit — Inverter is without power

What does Not lit PWR-INV (green) mean?

The green PWR-INV LED is not lit, indicating that the inverter is not receiving power.

• No power supply to the inverter.
• Loose power connection to the inverter.
• Internal fault in the inverter preventing it from powering on.

Click steps to track your progress.

1. 1

   Check all supply cables to the Heat Pump and the inverter to ensure they are connected.

2. 2

   Verify that the main fuses and breakers for the accommodation are intact.

3. 3

   If the PWR LED on the base board (AA2) is lit but PWR-INV is off, contact a qualified electrician or technician to inspect the inverter's power supply.

4. 4

   Avoid opening the inverter without proper training, as it contains high voltage components.