BoilerFaultCodes.com

Chaffoteaux Flexiflame 140 Fault Codes

System Natural Gas 140 kW 2006-2016 Discontinued

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Most common fault codes

Complaints of noise
Your boiler is making unusual noises because of trapped air, poor water circulation, or potential issues with the gas control components.
Gas Safe engineer required · £150-350
Complaints of noise - 1
Your boiler is receiving too much gas, which is causing it to operate loudly and inefficiently.
Gas Safe engineer required · £150-300
Complaints of noise - 5
Your boiler is experiencing a mechanical fault where the valve responsible for controlling gas flow is not closing properly, which can create unusual noises and requires immediate professional attention.
Gas Safe engineer required · £250-450

All 93 fault codes

Code Severity Plain English
Complaints of noise High Your boiler is making unusual noises because of trapped air, poor water circulation, or potential issues with the gas control components.
Complaints of noise - 1 Emergency Your boiler is receiving too much gas, which is causing it to operate loudly and inefficiently.
Complaints of noise - 2 Low Your boiler is making noise because there is trapped air bubbles circulating inside the system instead of just water.
Complaints of noise - 3 Medium Your boiler is struggling to control its internal temperature correctly, which is causing it to rattle or vibrate as it tries to regulate the heat.
Complaints of noise - 4 Medium Your boiler is making a noise because a valve inside is getting stuck, which can cause the system to stay on when it should be off.
Complaints of noise - 5 Emergency Your boiler is experiencing a mechanical fault where the valve responsible for controlling gas flow is not closing properly, which can create unusual noises and requires immediate professional attention.
Complaints of noise - 6 Emergency Your boiler is making unusual noises because debris has entered the internal gas control system, which regulates the fuel supply.
Complaints of noise - 7 High Your boiler is struggling to circulate water properly, which is causing it to make rattling or banging noises.
Complaints of noise - 8 Medium Your boiler is making loud vibrating or banging noises, which usually suggests air is trapped in the system or the internal water pump is struggling to circulate water effectively.
Complaints of noise - 9 High Your boiler is making loud noises because internal water passages are clogged with debris, causing the system to struggle and overheat.
Complaints of noise (1) Emergency Your boiler is receiving too much gas, which is causing it to run inefficiently and create unusual, loud noises.
Complaints of noise (2) Low Your boiler is making loud noises because trapped air bubbles are causing the water to rattle as it circulates through your heating system.
Complaints of noise (3) Medium Your boiler is struggling to accurately read its own temperature, which is causing it to operate inefficiently and create unusual noises.
Complaints of noise (4) Medium Your boiler is making unusual noises because a internal valve is getting stuck, which can disrupt your hot water supply.
Complaints of noise (5) Emergency Your boiler is struggling to control its fuel supply, which can cause loud banging noises and prevents the unit from shutting down safely.
Complaints of noise (6) Emergency Debris has likely entered your boiler's internal gas supply component, causing it to vibrate or whistle while the system is running.
Complaints of noise (7) Medium Your boiler is struggling to push water through its internal pipes, which is causing it to make loud, rattling or banging noises as it tries to operate.
Complaints of noise (8) Medium Your boiler is making rattling or loud humming sounds because it is struggling to push water through your heating system correctly.
Complaints of noise (9) Medium Your boiler is struggling to move water through its system due to a buildup of internal debris, causing it to run loudly.
Excessively noisy burner Emergency Your boiler is making a loud 'roaring' or vibrating noise because the fuel-air mixture is not burning smoothly inside the unit.
Excessively noisy burner - 1 Emergency Your boiler is receiving more gas than it can safely burn, leading to operation that is significantly louder than usual.
Excessively noisy burner - 2 High Your boiler is making loud banging or roaring sounds because the internal parts that mix and burn the gas have become clogged with debris, causing an uneven flame.
Excessively noisy burner - 3 Emergency Your boiler is making an unusually loud noise because the fuel nozzles are obstructed or damaged, which prevents the gas from burning smoothly.
Excessively noisy burner (1) Emergency Your boiler is burning fuel at an incorrect rate, which is causing the loud noise and indicates the mixture is not balanced correctly for safe operation.
Excessively noisy burner (2) Emergency Your boiler is making a loud noise because the internal fuel-burning area has become clogged with debris, preventing it from operating smoothly.
Excessively noisy burner (3) Emergency Your boiler is making a loud noise because the tiny gas nozzles inside are blocked or damaged, preventing the fuel from burning smoothly.
Frequent sooting (1) Emergency Your boiler is struggling to burn fuel cleanly due to a build-up of dust or debris inside the combustion area.
Frequent sooting (2) Emergency Your boiler is struggling to breathe, which is causing fuel to burn incorrectly and creating internal soot build-up.
Frequent sooting (3) Emergency Your boiler is not burning fuel efficiently, leading to a dangerous build-up of debris inside that prevents it from heating your home properly.
Frequent sooting (4) Emergency Your boiler is struggling to breathe because the exhaust system is blocked, which creates a significant risk of dangerous gases building up in your home.
Frequent sooting (5) Emergency Your boiler is struggling to burn fuel correctly because the internal parts that manage the gas supply are not the correct size, which is causing dangerous carbon build-up.
Frequent sooting of heat exchanger and burners Emergency Your boiler is struggling to breathe properly, causing dirty build-up inside its internal parts that can lead to dangerous fumes.
Frequent sooting of heat exchanger and burners - 1 Emergency Your boiler is struggling to burn fuel cleanly due to a buildup of household dust or debris, which can create a dangerous carbon monoxide risk if left unaddressed.
Frequent sooting of heat exchanger and burners - 2 Emergency Your boiler is not getting enough fresh air to burn its gas cleanly, which is causing unhealthy buildup inside the unit and creating a serious safety risk.
Frequent sooting of heat exchanger and burners - 3 Emergency Your boiler is struggling to breathe properly because a buildup of soot is blocking the internal exhaust passages, which can lead to dangerous fumes building up inside your home.
Frequent sooting of heat exchanger and burners - 4 Emergency Your boiler's exhaust system is blocked or restricted, causing it to run inefficiently and build up dangerous soot inside.
Frequent sooting of heat exchanger and burners - 5 Emergency Your boiler is struggling to burn fuel properly because the internal parts are not the correct size for your gas supply, leading to a dangerous buildup of soot that must be addressed immediately.
Gas staying on after pump is switched off Emergency Your boiler is failing to shut off its gas supply correctly when it should be turning off, which creates a significant safety concern.
Gas staying on after pump is switched off - 1 Emergency Your boiler is failing to shut down the gas supply correctly when it should be turning off, which may cause it to overheat.
Gas staying on after pump is switched off - 2 Emergency Your boiler is continuing to burn gas after it should have shut down, which means it cannot properly turn itself off.
Gas staying on after pump is switched off - 3 Emergency Your boiler is failing to shut off its internal burner properly after it has finished heating your water, which means it is continuing to use gas when it should be idle.
Gas staying on after pump is switched off (1) Emergency Your boiler is struggling to detect the water flow correctly, causing it to keep the burner running even when it should be turning off.
Gas staying on after pump is switched off (2) Emergency Your boiler is failing to shut off the gas supply properly after it is told to turn off, which poses a significant safety risk.
Gas staying on after pump is switched off (3) Emergency Your boiler is failing to shut off the gas supply correctly after the pump stops, which means it continues to heat water when it shouldn't.
Main burner will not light or lights at low flame High Your boiler is failing to ignite the main flame, which means it cannot heat your home or provide hot water.
Main burner will not light or lights at low flame - 1 High Your boiler is not receiving any power, which is why it cannot light or stay on.
Main burner will not light or lights at low flame - 2 High Your boiler's electrical control unit has lost power because a protective fuse has failed, preventing the system from safely igniting the flames.
Main burner will not light or lights at low flame - 3 Low Your boiler is struggling to ignite or staying at a very low heat because its temperature control is set to its minimum level.
Main burner will not light or lights at low flame - 4 High Your boiler is failing to light the main flame because it cannot correctly measure its own temperature, meaning you likely have no heating or hot water until this is resolved.
Main burner will not light or lights at low flame - 5 Emergency Your boiler is failing to light because it isn't receiving enough gas to produce a proper flame.
Main burner will not light or lights at low flame - 6 High Your boiler has detected that there is not enough water pressure inside the system to operate safely, so it has stopped trying to light.
Main burner will not light or lights at low flame - 7 High Your boiler is struggling to ignite properly because there is trapped air inside the pipework preventing a steady flow of gas.
Main burner will not light or lights at low flame - 8 High Your boiler is struggling to get the water flowing properly, which is preventing the flame from starting safely.
Main burner will not light or lights at low flame - 9 High Your boiler is struggling to detect the flow of water needed to heat your home, likely because internal filters or pipes are clogged with debris.
Main burner will not light or lights at low flame - 10 High Your boiler is struggling to start the main burner because a key internal mechanical part is stuck or damaged, preventing the unit from igniting properly.
Main burner will not light or lights at low flame - 11 High Your boiler is failing to ignite the main flame reliably because an internal seal responsible for regulating gas flow has become worn or damaged.
Main burner will not light or lights at low flame - 12 High Your boiler is struggling to ignite or maintain a steady flame because debris or internal build-up is preventing heat from moving through the system properly.
Main burner will not light or lights at low flame (1) High Your boiler is failing to ignite because it is not receiving any electrical power.
Main burner will not light or lights at low flame (2) High Your boiler is failing to ignite the main flame or is stuck at a very low heat because a critical electrical safety component has failed.
Main burner will not light or lights at low flame (3) Low Your boiler is currently set to a low temperature, which is preventing the burner from igniting properly or keeping it at a very low flame.
Main burner will not light or lights at low flame (4) High Your boiler is failing to ignite or stay powered because it cannot accurately measure or communicate its internal temperature to the control system.
Main burner will not light or lights at low flame (5) High Your boiler is struggling to get enough gas, which is preventing it from lighting properly or keeping the flames at the correct strength to heat your home.
Main burner will not light or lights at low flame (6) High Your boiler is failing to start because it cannot detect enough water pressure circulating inside the system.
Main burner will not light or lights at low flame (7) High Your boiler is struggling to start because there is trapped air in the heating pipes, preventing the burner from receiving a steady flow of gas.
Main burner will not light or lights at low flame (8) High Your boiler is unable to move water around the system correctly, which is preventing the flame from starting or staying at the correct heat.
Main burner will not light or lights at low flame (9) High Your boiler is struggling to get the internal water flow it needs to safely start the main burner.
Main burner will not light or lights at low flame (10) High Your boiler is struggling to ignite the flame reliably because a small mechanical part inside the gas valve mechanism is stuck or physically damaged.
Main burner will not light or lights at low flame (11) High Your boiler is struggling to detect the demand for hot water or heating because a small internal rubber seal has failed, preventing the system from firing up correctly.
Main burner will not light or lights at low flame (12) High Your boiler is struggling to ignite or produce enough heat because the internal pipes that transfer warmth are likely clogged with debris.
Pilot goes out when gas knob is released High Your boiler's pilot light is failing to stay ignited, which prevents the main system from starting up.
Pilot goes out when gas knob is released - 1 High Your boiler is struggling to stay lit because the safety mechanism that detects the flame isn't engaging when you let go of the control dial.
Pilot goes out when gas knob is released - 2 Emergency Your boiler's safety sensor is failing to detect the pilot light, causing the system to shut off the gas supply as a protective precaution.
Pilot goes out when gas knob is released - 3 High Your boiler is failing to stay lit because the safety sensor isn't detecting the pilot flame properly, which prevents the main burner from turning on to protect your home.
Pilot goes out when gas knob is released - 4 High Your boiler's pilot light keeps going out because the sensor responsible for confirming the flame is present is failing to detect it or has come loose.
Pilot goes out when gas knob is released - 5 High Your boiler is failing to stay lit because air is trapped in the supply line, preventing the burner from receiving a steady flow of gas.
Pilot goes out when gas knob is released - 6 High Your boiler is failing to stay lit because the safety mechanism that detects the flame is failing to register that it is on, causing the gas supply to cut off automatically.
Pilot goes out when gas knob is released - 7 High Your boiler is consistently shutting down because it has detected that it is getting too hot, indicating that the internal safety systems are overriding the burner to prevent damage.
Pilot goes out when gas knob is released - 8 High Your boiler is failing to stay on because a safety sensor connection has come loose, causing the flame to cut out as soon as you stop holding the control knob.
Pilot goes out when gas knob is released (1) High Your boiler is failing to keep the pilot light on because the safety sensor isn't detecting the flame, causing the gas supply to cut off automatically.
Pilot goes out when gas knob is released (2) Emergency Your boiler's protective sensor is failing to detect the pilot light, causing the safety mechanism to shut off the gas supply automatically.
Pilot goes out when gas knob is released (3) High Your boiler's pilot light is failing to stay on because the system isn't detecting the flame properly, which prevents the main burner from starting safely.
Pilot goes out when gas knob is released (4) Emergency Your boiler is failing to stay lit because it cannot confirm that the ignition flame is burning safely.
Pilot goes out when gas knob is released (5) High Your boiler is failing to stay lit because air is trapped in the gas supply line, preventing the flame from establishing itself properly.
Pilot goes out when gas knob is released (6) Emergency Your boiler is failing to detect a flame, so it is cutting off the gas supply for your safety to prevent a leak.
Pilot goes out when gas knob is released (7) Emergency Your boiler is overheating and shutting itself down automatically to prevent damage or dangerous buildup, which is why the gas flame will not stay lit.
Pilot goes out when gas knob is released (8) Emergency Your boiler is failing to stay on because a safety sensor connection has become loose, preventing the pilot light from remaining lit.
Pilot will not light High Your boiler is failing to ignite because it cannot detect or receive the gas needed to start the flame.
Pilot will not light - 1 High Your boiler is failing to ignite because it is not receiving any gas to create the flame needed for heating.
Pilot will not light - 2 High Your boiler is struggling to start because there is air trapped in the gas pipes, preventing the burner from igniting.
Pilot will not light - 3 High Your boiler is failing to ignite because internal debris is preventing the gas from reaching the pilot light.
Pilot will not light (1) Emergency Your boiler is failing to ignite because it is not receiving a flow of gas.
Pilot will not light (2) High Your boiler is struggling to start because there is still some air trapped in the gas pipes, preventing the pilot light from igniting.
Pilot will not light (3) High Your boiler is failing to ignite because internal debris is blocking the tiny gas supply line responsible for starting the flame.

Chaffoteaux Flexiflame 140 is discontinued — time for a new one?

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