1. Vaillant
- F.00: Ignition failure- F.05: Flue gas sensor problem- F.22: Low water pressure- F.28: Water pressure sensor problem - F.29: Flame detection fault
2. Worcester Bosch
- EA: No flame detected- C7: Fan fault- D1: Water pressure is low- D5: Ignition fault- E5: Heat exchanger temperature sensor fault
3. Baxi
- E10: Overheating- E133: Ignition fault- E1: Low water pressure- E5: Faulty thermostat- E318: Gas valve fault
4. Viessmann
- F2: Ignition fault- F4: Flame failure - F5: Faulty fan or pressure sensor - F7: Heat exchanger temperature sensor fault - F9: Overheating or water pressure sensor fault
5. Ariston
- C0: Ignition fault - C1: Water flow sensor fault- C8: Heat exchanger temperature sensor fault - C9: Flue gas sensor problem - C13: Overheating
6. Ferroli
- F1: Ignition fault - F2: Flame failure - F3: Fan fault - F4: Water pressure sensor fault - F5: Temperature sensor fault
7. Glow-worm
- F1: Ignition fault - F2: Flue gas sensor problem - F3: Temperature sensor fault - F4: Faulty pump - F5: Low water pressure
8. Potterton
- E133: Ignition fault - E1: Low water pressure - E19: Water pressure sensor fault - E30: Overheat - E20: Temperature sensor fault
9. Ideal
- L1: Ignition fault - L2: Flame failure - L3: Fan fault - L5: Heat exchanger temperature sensor fault- L6: Overheat
10. Intergas
- 001: Ignition fault - 002: Flame failure - 003: Fan fault - 004: Water pressure sensor fault - 005: Temperature sensor fault
It is important to note that these error codes can vary depending on the specific mode， model， and version of the boiler. It is always recommended to refer to the user manual or contact a certified engineer for professional assistance in troubleshooting the issue.
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