BoilerFaultCodes.com

Chaffoteaux Minima HE Fault Codes

Combi Natural Gas 24-35 kW 2008-2012 Discontinued

Replaced by: Chaffoteaux PIGMA

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

01
Your boiler has recorded a fault and shut down to protect itself, but the specific cause cannot be determined without looking at recent error history.
Gas Safe engineer required · £120-250
30
Your boiler is struggling to pump water around your heating system, so it has shut down to prevent itself from overheating.
Gas Safe engineer required · £150-350
30 - 40
Your boiler is currently unable to read the water temperature returning from your radiators, so it has shut down to prevent overheating.
Gas Safe engineer required · £120-220

All 64 fault codes

Code Severity Plain English
01 High Your boiler has recorded a fault and shut down to protect itself, but the specific cause cannot be determined without looking at recent error history.
01 to 99 Low Your boiler has recorded a list of previous errors in its internal memory, which helps a heating engineer identify patterns in past performance.
05 Low Your boiler is simply protecting itself from freezing by cycling its internal water pump to keep the system moving safely.
06 Low Your boiler has detected very cold temperatures and is automatically warming itself up to prevent frozen pipes or internal damage.
30 High Your boiler is struggling to pump water around your heating system, so it has shut down to prevent itself from overheating.
30 - 40 High Your boiler is currently unable to read the water temperature returning from your radiators, so it has shut down to prevent overheating.
30 - 40 - 50 - 60 - 70 - 80 High Your boiler has detected that water is not flowing properly around your heating system, so it has safely shut down to prevent damage.
30 40 50 60 70 80 [l m m m m m] High Your boiler's internal control computer has stopped communicating properly, which means the main brain of the system can no longer tell the boiler what to do.
30 40 50 60 70 80 [m l l l l l] High Your boiler's electronic control panel is failing to talk to the internal computer, which is preventing the system from operating correctly.
30 40 50 60 70 80 [m l m l l m] High Your boiler has detected that a safety sensor is stuck in the 'on' position, so it has shut down to prevent it from starting up unsafely.
30 40 50 60 70 80 [m l m l m l] High Your boiler's internal fan is attempting to start, but it cannot confirm that air is moving properly through the system, so it is refusing to light for safety reasons.
30 40 50 60 70 80 [m l m l m m] High Your boiler has lost its electrical connection to the main control board, causing it to shut down completely for safety.
30 40 50 60 70 80 [m l m m l m] High Your boiler is failing to ignite the flame needed to produce heat or hot water.
30 40 50 60 70 80 [m m l l l m] High Your boiler is unable to read the temperature of the water being sent to your radiators, so it has safely shut itself down to prevent overheating.
30 40 50 60 70 80 [m m l l m l] High Your boiler has lost the ability to measure the temperature of the water being sent to your radiators, so it has shut down as a precaution to prevent overheating.
30 40 50 60 70 80 [m m l l m m] High Your boiler is struggling to read the temperature of the water returning from your radiators, so it has turned itself off to prevent a fault.
30 40 50 60 70 80 [m m l m l l] High Your boiler has lost the ability to read the temperature of the water returning to it, so it has safely shut down to prevent overheating.
30 40 50 60 70 80 [m m l m m m] High Your boiler has detected that water is not moving around your heating system correctly, which is preventing it from heating your home or water safely.
30 40 50 60 70 80 [m m m l l l] High Your boiler has detected that water is not flowing through the system correctly, which is preventing it from heating your home or water.
30 40 50 60 70 80 [m m m l l m] Low Your boiler is currently protecting itself from freezing temperatures by briefly running its internal components to prevent water inside the system from icing up.
30 40 50 60 70 80 [m m m l m l] Low Your boiler is perfectly fine; it has simply activated its built-in protection system to keep its internal pipes from freezing during cold weather.
30 40 50 60 70 80 [m m m m l l] High Your boiler is trying to start but the flame is not catching, so it has safely shut itself down to prevent a gas buildup.
30 40 50 60 70 80 [m m m m m l] High Your boiler has detected that it is running too hot and has automatically shut down to prevent damage to its internal parts.
40 - 50 - 60 - 70 - 80 Low Your boiler is currently running its built-in protection system to prevent internal pipes from freezing, so there is no need to worry as everything is functioning exactly as it should.
40, 60 and 80 flash Emergency Your boiler has detected an issue with its ventilation system and has shut down to keep your home safe from harmful exhaust fumes.
50 - 60 - 70 - 80 Low Your boiler is currently running its built-in frost protection feature to prevent the internal pipes from freezing, which is a normal operation during very cold weather.
60 - 70 - 80 High Your boiler has attempted to start, but the system is unable to detect that a flame has successfully ignited, meaning it has safely shut itself down to prevent gas from building up.
70 - 80 High Your boiler has detected that it is running too hot and has automatically shut itself down to prevent damage to its internal parts.
A 01 High Your boiler has detected that it is running too hot and has automatically turned itself off for safety to prevent damage.
A 03 High Your boiler has tried and failed to light its burner multiple times, so it has turned itself off for safety.
A 36 Emergency Your boiler has detected that the exhaust gases leaving the system are dangerously hot and has shut down to prevent damage.
A 37 High Your boiler's internal computer has encountered a critical error and cannot safely operate its heating or hot water systems.
A 39 High Your boiler has detected a failure within its main internal computer, which is preventing it from functioning correctly.
A 40 High Your boiler's internal computer is experiencing a major communication error, causing it to shut down to prevent damage.
A 41 High Your boiler's air circulation system isn't working correctly, which is preventing it from safely starting up.
E 02 High Your boiler has stopped because the water pressure inside the heating system has dropped too low to operate safely.
E 04 High Your boiler is failing to light the flame needed to heat your water and home, despite several attempts to start.
E 05 Low Your boiler is currently running its built-in protection mode to stop internal pipes from freezing, so it is just circulating water to stay safe.
E 06 Low Your boiler has detected very cold temperatures and is running its internal systems to prevent the pipes from freezing.
E 07 High Your boiler is struggling to move water through its internal system, so it has safely shut down to prevent overheating.
E 08 High Your boiler has detected that the water level inside the heating system has dropped too low to operate safely.
E 09 High Your boiler has lost the signal from the sensor that monitors your hot water temperature, meaning it cannot properly heat the water for your taps.
E 10 Medium Your boiler is struggling to accurately measure the temperature of the water used for your taps and shower due to a faulty sensor connection.
E 11 High Your boiler is failing to detect the flow of water inside the system, which is preventing it from turning on your heating or hot water.
E 12 High Your boiler is struggling to detect the flow of water because an internal sensor is sending an incorrect electrical signal.
E 13 High Your boiler is struggling to read the temperature of the water returning to it because a sensor connection has likely come loose or failed.
E 14 High Your boiler has stopped working because it is unable to accurately read the temperature of the water returning to it, as the connection to its internal temperature sensor has developed an electrical fault.
E 15 Low Your boiler is struggling to read the temperature outside because the connection to the weather sensor located on an external wall has been interrupted or damaged.
E 16 Low Your boiler has lost its connection to the weather sensor outside, which might stop it from automatically adjusting to the temperature.
E 18 Emergency Your boiler has detected that the flames inside are unstable and lifting away from the burner, which prevents it from heating safely.
E 20 Emergency Your boiler is detecting a flame inside even though it has turned the gas supply off, which indicates a potential safety issue with the internal components.
E 22 High Your boiler is struggling to clear exhaust gases safely, so it has turned itself off to prevent carbon monoxide buildup.
E 23 High Your boiler is struggling to clear exhaust gases effectively because the internal fan is not spinning fast enough to vent safely.
E 25 Medium Your boiler has lost the signal from the hot water storage tank, meaning it cannot accurately tell if your water needs heating up.
E 26 Medium Your boiler is having trouble 'reading' the temperature of the water inside your hot water tank because a sensor has developed an electrical fault.
E 27 High Your boiler has detected an issue with the water storage tank or the sensor responsible for monitoring it, which means your hot water or heating may not be working correctly.
E 29 Medium Your boiler is struggling because it has lost the connection to the temperature sensor that tells it how warm your home is, which will likely prevent the heating from turning on.
E 34 High Your boiler has detected a disconnection in the sensor responsible for monitoring the exhaust gases, causing it to shut down for your safety.
E 35 High Your boiler has detected an issue with the sensors that monitor the airflow, which safely stops the unit from operating to prevent potential exhaust problems.
E 36 Emergency Your boiler has detected that the exhaust gases leaving the system are dangerously hot, so it has safely shut itself down to prevent damage.
E 37 High Your boiler's electronic brain is temporarily failing to send signals to its internal controls, which has caused the system to stop operating for safety.
E 38 Medium Your boiler has entered a temporary lockout mode because the reset button has been pressed too many times in a short space of time.
E30 High Your boiler's temperature control sensor is malfunctioning, which is causing it to stop heating to prevent damage.
E33 High Your boiler has detected that the external temperature sensor for your underfloor heating system is not sending a signal, which is preventing the boiler from functioning correctly.

Chaffoteaux Minima HE 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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