BoilerFaultCodesAtmos Boiler Fault Codes
82 fault codes across 4 Atmos boiler models — explained in plain English.
Czech manufacturer specialising in wood and pellet boilers.
Just want the most common Atmos problems?
The top 8 faults across the whole Atmos range — causes, DIY checks, repair costs.
High-severity Atmos fault codes
4 5 6 8 10
Your boiler has tried to light itself four times but failed to create a flame, causing the system to shut down for safety.
Intercombi HE32
Your boiler has failed to light after several tries, often because the drainage pipe for waste water is blocked or there is a problem with the gas supply.
Intercombi HE32
Your boiler is failing to sense a flame, meaning it cannot stay on safely to provide heating or hot water.
Intercombi HE32
Your boiler has been forced to stop working because the internal fan is not spinning at the correct speed to safely clear waste gases.
Intercombi HE32
Your boiler's internal temperature sensor has stopped sending the correct signal, which means the system cannot heat your water or radiators safely.
Intercombi HE32
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4 Atmos boiler models
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