Vaillant F.63: what it means and when to call a pro · United Kingdom
Severity: Stop and call a proVaillant gas boiler error F.63. The memory chip (EEPROM) on the boiler's control board is faulty.
Smell gas? Leave the building and call the gas emergency number: 0800 111 999
Meaning
The memory chip (EEPROM) on the boiler's control board 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.
Do not
- Do not keep pressing reset if F.63 returns. The maker says to contact customer service instead.
Source
Installation and maintenance instructions ecoTEC pro VUW ..6/5-3, Vaillant
The repair: Boiler no heating repair
Prices for repairs in United Kingdom are in GBP.
Other Vaillant codes
- 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.
- Vaillant F.01 The return temperature sensor is disconnected or broken.
- Vaillant F.10 The flow (outgoing) temperature sensor has a short circuit.
- Vaillant F.11 The return temperature sensor has a short circuit.
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.