BoilerFaultCodes.com

Baxi MainEco Fault Codes

CombiSystemRegular Natural GasLPG 15-35 kW 2012-2015 Discontinued

Replaced by: Baxi 600 or 800 Series

All 11 fault codes

Code Severity Plain English
1 Green Flash Low Your boiler has reached the correct temperature and is simply taking a break until it needs to heat up again.
1 Red Flash Low Your boiler is experiencing a temporary temperature reading issue and is currently trying to fix itself automatically.
2 Red Flashes High Your boiler has become too hot and has shut itself down as a safety precaution to prevent damage.
3 Green Flashes Low Your boiler has briefly lost its flame and is attempting to restart itself automatically.
3 Red Flashes High Your boiler has tried to light itself several times but cannot create a flame, meaning you will not have any heating or hot water until it is reset or repaired.
4 Green Flashes Low Your boiler is temporarily struggling to talk to its internal control parts and is trying to reconnect itself.
4 Red Flashes High Your boiler has detected an issue with the ventilation fan, which means it cannot safely clear exhaust fumes and will not ignite.
5 Green Flashes Low Your boiler has experienced a temporary electronic communication glitch and is attempting to sort itself out automatically.
5 Red Flashes High Your boiler's internal memory chip has developed a software or connection error, meaning it can no longer remember its correct settings to operate.
6 Green Flashes High Your boiler is experiencing a communication error or internal electronic fault that is preventing it from running properly.
6 Red Flashes High Your boiler has detected a general internal error, often linked to a small electronic glitch or a sensor that is failing to communicate correctly with the main controls.

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