Hydraulic Indoor Unit LED2 (Green) 9 Flashes, LED1 (Red) 4 Flashes - Current trip

What does LED2 9 Flashes, LED1 4 Flashes mean?

This error indicates that an overcurrent protection mechanism has been activated, causing the unit to trip due to excessive electrical current. The outdoor unit may also show '13 Flashes' for a current trip (permanent stoppage) after pressing the ENTER switch.

• Electrical overload in the system.
• Short circuit in a component.
• Faulty component drawing excessive current.

Click steps to track your progress.

1. 1

   Turn off the main power supply to the heat pump for 30 seconds, then turn it back on.

2. 2

   If the outdoor unit ERROR LED is blinking, press the ENTER switch to confirm the specific '13 Flashes' error code.

3. 3

   If the error persists, use the 'Reset HP' function (Line 6711) in the control system.

4. 4

   Contact a qualified service technician to investigate the cause of the electrical trip.