Chaffoteaux Boiler Fault Codes
590 fault codes across 21 Chaffoteaux boiler models — explained in plain English.
Just want the most common Chaffoteaux problems?
The top 8 faults across the whole Chaffoteaux range — causes, DIY checks, repair costs.
High-severity Chaffoteaux fault codes
WATER TEMPERATURE BURNER STAYS ON YELLOW FLAMES SOOT FORMED UNSTABLE FLAMES HEATING BODY NOISE
Your boiler is struggling to heat your hot water properly, usually because the water is flowing through it too quickly for it to warm up or because the gas supply is restricted.
Britony II 30FF
Your boiler's internal burner is failing to switch off even when you are not using hot water or heating, which suggests a mechanical component is stuck or blocked.
Britony II 30FF
Your boiler is not burning fuel correctly, which is causing soot buildup and indicates a significant safety risk from potentially harmful gases.
Britony II 30FF
Your boiler is struggling to keep its internal fire burning steadily, which often indicates an issue with the air supply or a blockage in the exhaust system.
Britony II 30FF
Your boiler is making loud banging or kettling noises because of a buildup of limescale or poor water circulation, which is causing parts to overheat.
Britony II 30FF
All models
21 Chaffoteaux boiler models
Britony II 30FF
Combi Discontinued
Britony II 40FF
Combi Discontinued
Britony II 50FF
Combi Discontinued
Calydra 23 Green
Combi Discontinued
Calydra 24 Green
Combi Discontinued
Celtic 24 HE
Combi Discontinued
Pigma 23 CFFI
Combi Discontinued
Serelia 24 MFFI
Combi Discontinued
Talia Green 25
Combi Discontinued
Talia Green System
System Discontinued
Calydra 100
Combi Discontinued
Celtic 2 24 Rsc
Regular Discontinued
80/100
Combi Discontinued
Corvec 28 OF BF
Combi Discontinued
Flexiflame 140
System Discontinued
Minima HE
Combi Discontinued
Sterling FF
System Discontinued
Britony Duo 55
Combi Discontinued
Duo
System Discontinued
System 40 60
System Discontinued
Minima MX2 24FF / 30FF
Combi Discontinued