BoilerFaultCodes.com

Baxi MainEco Fault Codes

CombiSystemRegular Natural GasLPG 15-35 kW 2012-2015 Discontinued
GC Numbers: 47-467-0147-467-0247-467-0341-467-2441-467-2541-467-2641-467-27

Replaced by: Baxi 600 or 800 Series

This boiler uses LED flash patterns

Count the flashes in one repeating group before the pause. That number is your fault code. Do not reset until you have noted it. How to read fault codes →

Most common fault codes

2 Red Flashes
Your boiler has become too hot and has shut itself down as a safety precaution to prevent damage.
May be DIY safe · £100-£280
3 Red Flashes
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.
May be DIY safe · £90-280
4 Red Flashes
Your boiler has detected an issue with the ventilation fan, which means it cannot safely clear exhaust fumes and will not ignite.
Gas Safe engineer required · £220-450

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.

Baxi MainEco is discontinued — time for a new one?

Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.

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