What does F.89 mean?

There is no central heating or domestic hot water heating because the internal circulation pump is blocked. A blocked pump cannot circulate water through the system.

• Internal circulation pump blocked

Click steps to track your progress.

1. 1

   Reset the appliance.

2. 2

   If the fault persists, contact a qualified technician to check and potentially replace the circulation pump.

3. 3

   Ensure the appliance has been reset correctly after the initial fault.