| Fault Codes | Brand |
|---|---|
| A | A |
| ACV | ACV |
| Alpha | Alpha |
| Ambirad | Ambirad |
| Amptec | Amptec |
| Andrews | Andrews |
| Ariston | Ariston |
| Atag | Atag |
| Atmos | Atmos |
| B | B |
| Baxi | Baxi |
| Baxi Commercial | Baxi Commercial |
| Biasi | Biasi |
| British Gas | British Gas |
| Broag | Broag |
| Buderus & Camray | Buderus & Camray |
| C | C |
| Chaffoteaux | Chaffoteaux |
| D | D |
| Daikin | Daikin |
| Dimplex | Dimplex |
| E | E |
| EHC | EHC |
| Esse | Esse |
| F | F |
| Ferroli | Ferroli |
| Firebird | Firebird |
| G | G |
| Geminox | Geminox |
| Gledhill | Gledhill |
| Glow-Worm | Glow-Worm |
| Grant | Grant |
| H | H |
| Halstead | Halstead |
| Hamworthy | Hamworthy |
| Heatline | Heatline |
| HRM | HRM |
| I | I |
| Icon | Icon |
| Ideal | Ideal |
| Intergas | Intergas |
| J | J |
| Johnson & Starley | Johnson & Starley |
| K | K |
| Keston | Keston |
| Kinder | Kinder |
| L | L |
| M | M |
| MHG | MHG |
| Main | Main |
| Malvern | Malvern |
| Maxol | Maxol |
| MHS | MHS |
| Myson | Myson |
| N | N |
| Navien | Navien |
| Nuway | Nuway |
| P | P |
| Potterton | Potterton |
| PROcombi | PROcombi |
| Protherm | Protherm |
| R | R |
| Ravenheat | Ravenheat |
| Remeha | Remeha |
| Reznor | Reznor |
| Robinson Willey | Robinson Willey |
| S | S |
| Sabre Boilers | Sabre Boilers |
| Saunier Duval | Saunier Duval |
| Sime | Sime |
| T | T |
| Trianco | Trianco |
| V | V |
| Vaillant | Vaillant |
| Viessmann | Viessmann |
| Vokera | Vokera |
| W | W |
| Warmflow | Warmflow |
| Warmhaus | Warmhaus |
| Wickes | Wickes |
| Worcester Bosch | Worcester Bosch |
| Z | Z |
| Zanussi | Zanussi |
| Fault Codes Last Updated: 16/08/20 |
Disclaimer: Information on this website is provided for informational purpose therefore we cannot accept liability for subsequent problems. All repair tasks should be carried out by qualified trades people. We may also receive commission payments when you are taken to external websites and complete purchases from third party sellers, once you leave our site, we cannot be held liable for your purchases.