BoilerFaultCodes.com

Remeha Selecta Combi Fault Codes

Combi Natural Gas 24-28 kW Discontinued

Replaced by: Avanta

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

00
Your boiler is detecting a flame inside the unit even when it has been switched off, which has caused it to lock itself out as a safety precaution.
Gas Safe engineer required · £150-300
01
Your boiler has detected an internal electrical short circuit, which has caused it to shut down to prevent further damage.
Gas Safe engineer required · £150-300
2
Your boiler is failing to light the flame, which means it currently cannot produce any heat or hot water.
Gas Safe engineer required · £150-300

All 50 fault codes

Code Severity Plain English
0 Low Your boiler is currently in standby mode and working exactly as it should, as it is not being asked to provide any heating or hot water at this moment.
00 Emergency Your boiler is detecting a flame inside the unit even when it has been switched off, which has caused it to lock itself out as a safety precaution.
1 Low Your boiler is currently preparing to ignite by clearing out its internal chamber, which is a normal part of the startup cycle.
01 High Your boiler has detected an internal electrical short circuit, which has caused it to shut down to prevent further damage.
2 High Your boiler is failing to light the flame, which means it currently cannot produce any heat or hot water.
02 High Your boiler has tried to light the burner several times but failed, meaning it currently cannot heat your water or home.
3 Low Your boiler is operating normally and is currently heating your radiators, so there is no need for concern.
4 Low Your boiler is currently working correctly to provide you with hot water for your taps and shower.
04 High Your boiler has lost electricity while it was already trying to deal with a previous problem, which has caused it to stop working completely as a safety precaution.
4* Low Your boiler is simply performing its routine background task of keeping a small amount of water warm so that your hot tap provides heat more quickly when you turn it on.
5 High Your boiler is struggling to clear exhaust gases effectively because the internal fan is not operating as it should, causing the system to stop for your safety.
05 High Your boiler has detected an issue caused by an external factor, such as a power surge, incorrect electrical supply, or an issue with an external thermostat control.
5* Low Your boiler is currently operating normally and is actively heating your home's radiators.
6 Low Your boiler has successfully heated your home or water to the requested temperature and has safely turned the burner off as expected.
7 Low Your boiler is currently circulating water to ensure it cools down safely after a heating cycle, which is a normal protective feature.
8 Low Your boiler is currently running its internal water pump to safely cool down the system after you finished using your hot taps or shower.
9 Medium Your boiler has temporarily stopped operating as a safety precaution while it waits for its internal systems to stabilise.
11 High Your boiler's internal computer is having trouble talking to its own parts, which has caused the system to shut down for safety.
18 High Your boiler has detected that the water inside the system is becoming too hot, so it has safely shut itself down to prevent damage.
19 Medium Your boiler has detected that the water returning from your radiators is running too hot, causing it to shut down to prevent damage.
24 High Your boiler has detected that hot water is trying to flow in the wrong direction, which usually means the system is confused by a loop or a pump fault.
31 High Your boiler has stopped working because it cannot correctly identify the temperature of the water flowing through it due to a faulty electrical connection or sensor.
32 High Your boiler has detected a faulty connection in a sensor that monitors the temperature of the water returning to the system, which is preventing it from heating your home safely.
36 High Your boiler has lost the ability to monitor the temperature of the water effectively because a internal connection or sensor has failed, so it has shut down to prevent damage.
37 High Your boiler is currently unable to read the water temperature properly, so it has stopped working to prevent any damage.
43 High Your boiler's internal computer has detected conflicting settings that prevent it from operating safely, effectively causing it to 'freeze' for protection.
52 Low Your boiler has detected that the external temperature sensor is reading below its minimum operating range, likely due to a cable fault or a faulty sensor unit.
77 High Your boiler is failing to detect a flame, which means it has safely shut itself down to prevent gas from building up.
A Low Your boiler is currently running its internal pre-heat feature to ensure hot water is ready for your taps as soon as you turn them on.
E01 High Your boiler has detected an internal electronic error and has shut itself down as a safety precaution to prevent incorrect operation.
E02 High Your boiler has detected that it is getting too hot and has automatically shut itself down to prevent damage.
E04 High Your boiler has tried to start five times without success, so it has safely locked itself to prevent gas buildup.
E05 High Your boiler's computer is having trouble reading its internal sensors, which is preventing it from starting up correctly.
E07 High Your boiler has detected that the water inside the system is getting dangerously hot while trying to heat your tap water and has safely shut down to prevent damage.
E10 High Your boiler is struggling to clear exhaust fumes because it cannot detect sufficient airflow through its internal ventilation system.
E12 High Your boiler has detected an issue with its internal electrical supply, causing it to shut down for safety.
E13 High Your boiler has detected a faulty reading from the sensor that monitors the temperature inside its main heating component, causing it to stop working for safety reasons.
E18 High Your boiler has detected that the water inside the system has become dangerously hot and has shut itself off to prevent damage.
E25 High Your boiler is struggling to detect if the burner has lit correctly, so it has safely shut itself down to prevent a gas buildup.
E26 High Your boiler has detected a safety issue with the internal mechanism that controls the gas flow, so it has purposefully locked itself out to prevent any risk.
E31 High Your boiler is struggling to detect the flow of water because of a faulty electronic sensor, which will prevent your heating and hot water from working correctly.
E32 High Your boiler is failing to detect the flow of water because of a faulty connection or sensor, meaning it cannot safely start up to heat your home or water.
E36 High Your boiler has detected a faulty electrical signal from a temperature sensor, which is preventing the system from accurately controlling your heating and hot water.
E37 High Your boiler has lost its connection to a temperature sensor responsible for reading the water returning to the system, causing it to stop functioning for safety reasons.
H Low Your boiler is currently running in a special test mode used by engineers to perform checks and is not operating in its normal heating state.
L Low Your boiler has been manually set to a low-power service mode by a technician, which is why it is not heating your home or water as expected.
Other codes High Your boiler's internal computer has stopped working correctly, so it is acting as a safety precaution by shutting itself down to protect your home.
P Low Your boiler is currently in a setup or configuration state rather than a standard operational mode.
P (flashing) Low Your boiler has entered its scheduled maintenance mode, meaning it is due for its annual safety check and service.
u Low Your boiler is currently operating at its highest possible temperature setting because it is responding to an external temperature sensor.

Remeha Selecta Combi 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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