Malvern Boiler Fault Codes
33 fault codes across 3 Malvern boiler models — explained in plain English.
Malvern condensing boilers.
Just want the most common Malvern problems?
The top 8 faults across the whole Malvern range — causes, DIY checks, repair costs.
High-severity Malvern fault codes
10 20 30 40 50
Your boiler is struggling to accurately read its own operating temperature due to a sensor measurement error.
Combi
Your boiler is struggling to accurately read its own internal water temperature because the sensor responsible for this measurement is sending an incorrect or impossible signal.
Combi
Your boiler is struggling to accurately measure the temperature of the water, which is causing it to shut down for safety reasons.
Combi
Your boiler is struggling to accurately measure its own temperature, causing it to shut down for safety reasons to prevent overheating.
Combi
Your boiler's temperature sensor is providing an incorrect reading, which is causing the system to shut down to prevent overheating.
Combi
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3 Malvern boiler models
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