Fault 29 — Open circuit at power pump module terminals 1 and L

What does 29 mean?

An open circuit has been detected at terminals 1 and L on the Multi terminal of the power pump module. This indicates a wiring issue or a problem with safety equipment connected to these terminals.

• Open circuit at terminals 1 and L on Multi terminal of the power pump module.

Click steps to track your progress.

1. 1

   Check the physical connections at terminals 1 and L on the Multi terminal of the power pump module for any looseness or damage.

2. 2

   Ensure any jumper or installed safety equipment connected to these terminals is correctly fitted.

3. 3

   Press the reset button R on the boiler.

4. 4

   If the fault persists, contact a qualified technician to inspect the wiring or pump module.