Circulation Pump LED Off - Circulation pump is not working, no power supply

What does LED Off (Hydraulic pump) mean?

The Green LED for the circulation pump is off, indicating that the pump is not receiving power or is not operating. This prevents water circulation.

• No electrical power supply to the circulation pump.
• Faulty circulation pump motor or internal component.
• Loose wiring connections to the pump.

Click steps to track your progress.

1. 1

   Check the power supply to the hydraulic indoor unit and ensure its circuit breaker is ON.

2. 2

   Ensure the circulation pump is securely plugged in or wired correctly according to the installation manual.

3. 3

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

4. 4

   Contact a qualified service technician to diagnose pump power or function.