Circulation Pump Red LED Flashing - Operating error

What does Red LED flashing (Hydraulic pump) mean?

The red LED on the circulation pump is flashing, indicating an operating error that requires attention and is not self-restarting.

• Significant malfunction of the circulation pump.
• Persistent blockage or issue in the hydraulic circuit.
• Internal component failure in the pump.

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

   Check the hydraulic system for any obvious blockages or closed valves that might impede flow.

3. 3

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

4. 4

   Contact a qualified service technician for diagnosis and repair.