Error 63 (6 Green, 3 Red Flashes) — Inverter error

What does 63 mean?

The hydraulic unit's green LED flashes six times and the red LED flashes three times. This indicates an error with the inverter component in the outdoor unit, which controls the compressor speed.

• Faulty inverter board or components.
• Power supply issues affecting the inverter.
• Overload or short circuit conditions in the compressor circuit.
• Malfunctioning compressor.

Click steps to track your progress.

1. 1

   Turn off the heat pump system at the main power supply, wait for at least one minute, then restore power.

2. 2

   Check for any external conditions that might be overloading the system, such as a blocked outdoor unit.

3. 3

   Ensure stable power supply to the outdoor unit, free from fluctuations.

4. 4

   If the issue reoccurs, contact a qualified technician as this often points to a serious internal electrical fault requiring professional diagnosis and repair or replacement of the inverter board.