Error 30 - Flow sensor 1 fault

What does 30 mean?

The user interface displays '30: Flow sensor 1', indicating an issue with flow sensor 1 (Location: BX1 (X80)) in the hydraulic system. This error typically triggers an automatic reset.

• Faulty flow sensor 1.
• Damaged or loose wiring to flow sensor 1.
• Obstruction in the water flow path where the sensor is located.

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 proper water flow and ensure no isolation valves are closed.

3. 3

   Allow time for the automatic reset to occur (default 6 hours) or use the manual reset function (Line 6711) if available.

4. 4

   Contact a qualified service technician to inspect or replace flow sensor 1.