Vaillant F.29: what it means and when to call a pro · United Kingdom
Severity: Stop and call a proVaillant gas boiler error F.29. The flame went out during operation, or the flame sensor signal is faulty.
Smell gas? Leave the building and call the gas emergency number: 0800 111 999
Meaning
The flame went out during operation, or the flame sensor signal is faulty.
Severity
Stop and call a pro
Stop. Switch it off and call a pro
Steps are not shown for this code because no qualified person has reviewed them yet. What is safe: switch it off, follow the Do not list and call a pro.
Source
Boiler fault codes list, Vaillant UK
The repair: Boiler ignition lockout repair
Prices for repairs in United Kingdom are in GBP.
Other Vaillant codes
- Vaillant F.32 The fan is faulty or is not reaching the correct speed.
- Vaillant F.61 The boiler cannot actuate its gas valve, which indicates a fault in the gas valve assembly.
- Vaillant F.63 The memory chip (EEPROM) on the boiler's control board is faulty.
- Vaillant F.75 The boiler did not detect the expected pressure change when the pump started.
- Vaillant F.00 The flow (outgoing) temperature sensor is disconnected or broken.
Brands in our catalog for gas boiler: Ariston, Baxi, Bosch, Ferroli, Ideal, Potterton, Vaillant, Viessmann, Worcester Bosch. The same code on another brand is not in the catalog yet, and we do not guess what it means.