BoilerFaultCodes.com

Baxi Duo-tec/Megaflo Fault Codes

CombiSystem Natural GasLPG 15-40 kW 2006-2022 Discontinued
GC Numbers: 47-075-2347-075-2447-075-2547-075-2641-075-4341-075-4441-075-4541-075-4647-075-3547-075-3647-075-37

Replaced by: Baxi 800

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Most common fault codes

E20
Your boiler's temperature sensor has failed or is disconnected, meaning the system cannot accurately measure how hot the water is for your heating.
Gas Safe engineer required · £90-160
E28
Your boiler has detected a problem with the sensor that monitors the temperature of the exhaust gases, causing the system to shut down for safety.
Gas Safe engineer required · £120-£220
E110
Your boiler has become too hot and has shut itself down as a safety precaution to prevent damage.
May be DIY safe · £100-£350

All 14 fault codes

Code Severity Plain English
E10 Low Your boiler has lost communication with the sensor that monitors the temperature outside your home, preventing it from adjusting its heat output efficiently.
E20 High Your boiler's temperature sensor has failed or is disconnected, meaning the system cannot accurately measure how hot the water is for your heating.
E28 High Your boiler has detected a problem with the sensor that monitors the temperature of the exhaust gases, causing the system to shut down for safety.
E110 High Your boiler has become too hot and has shut itself down as a safety precaution to prevent damage.
E119 High Your boiler has switched itself off because the water pressure in the system has dropped too low to operate safely.
E125 High Your boiler has detected that hot water isn't moving through the system properly, which is causing it to shut down to prevent overheating.
E131 High Your boiler has shut down because it detected that the exhaust gases have become too hot, which is a safety feature to prevent damage to the internal components.
E133 High Your boiler is failing to light the gas flame, which means you currently have no heating or hot water.
E160 High Your boiler has detected a problem with the fan that clears away waste gases, causing the system to shut down for safety.
E161 High Your boiler has detected a problem with the fan that clears away waste gases, causing the system to shut down for safety.
E164 High Your boiler is struggling to accurately detect the water pressure in the system, which is preventing it from heating up.
E167 High Your boiler's computer control board has developed a communication fault and is unable to manage the system correctly.
E168 High Your boiler's internal computer has encountered a memory or electrical glitch and has temporarily locked itself down to prevent safety issues.
E193 High Your boiler has detected that water is not moving through the system correctly, which causes it to shut down to prevent overheating.

Baxi Duo-tec/Megaflo 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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