BoilerFaultCodes.com

Remeha Quinta 30 Fault Codes

System Natural Gas 30 kW Discontinued

Replaced by: Quinta Pro

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Most common fault codes

<00
Your boiler is struggling to detect or control the speed of the internal fan that manages the airflow required for safe combustion.
Gas Safe engineer required · £180-350
0!
Your boiler has detected an electrical fault in its internal wiring, which has caused it to shut down for safety reasons.
Gas Safe engineer required · £150-300
00.
Your boiler is confused and thinks the flame is already lit before it has actually started, so it is refusing to fire up for safety reasons.
Gas Safe engineer required · £150-250

All 139 fault codes

Code Severity Plain English
<00 High Your boiler is struggling to detect or control the speed of the internal fan that manages the airflow required for safe combustion.
0 Low Your boiler is perfectly healthy and is simply waiting for a signal from your thermostat or timer to start heating up.
0! High Your boiler has detected an electrical fault in its internal wiring, which has caused it to shut down for safety reasons.
00. High Your boiler is confused and thinks the flame is already lit before it has actually started, so it is refusing to fire up for safety reasons.
0) Emergency Your boiler is detecting a signal that a flame is present even though it has not yet commanded the burner to light, which prevents it from safely starting up.
0@ High Your boiler is failing to light the internal burner, so it has safely shut itself down to prevent a buildup of unburnt gas.
0* High Your boiler has detected an incorrect internal system configuration that prevents it from starting up safely.
0% High Your boiler has detected an external signal or external safety device that is currently stopping it from operating normally.
0$ High Your boiler has experienced a power drop or a restart error, and it has wiped the memory of the original fault that caused it to stop working.
1 Low Your boiler is currently performing a standard safety check, which involves clearing air through the system before or after it produces heat.
1 to 9 Low Your boiler is currently running normally and is in the process of heating up or waiting for a demand for hot water.
1-2 Medium Your boiler has detected an internal issue and is alerting you that it requires professional attention to identify the specific problem.
1! High Your boiler's internal computer is having trouble talking to its own parts, so it has shut down as a precaution to prevent errors.
01. High Your boiler has detected an electrical fault in its internal wiring, which has caused it to shut down to prevent further damage.
1( High Your boiler has stopped heating because the water returning from your radiators is hotter than the boiler itself, which is unusual and suggests a flow issue.
1* High Your boiler has detected that the water inside the system is getting dangerously hotter than it should be and has switched itself off to prevent damage.
2 High Your boiler is failing to light the internal flame, which means it cannot produce any heating or hot water for your home.
2-3 seconds after applying mains High Your boiler has detected an internal safety error that started immediately after it was turned on, indicating the control system is currently protecting itself and preventing startup.
02. High Your boiler has failed to light the flame after repeated attempts to start up.
2( High Your boiler is struggling to control the internal fan speeds, which means it will likely stop producing heating or hot water until the issue is resolved.
2* High Your boiler has stopped working because the internal fan required to safely vent exhaust gases is not spinning, causing the system to shut down to prevent unsafe operation.
2$ High Your boiler has detected that water is flowing in the wrong direction or is hotter returning from your radiators than it is leaving the boiler, which prevents it from heating properly.
3 Low Your boiler is currently working exactly as it should be to provide heating to your home.
3! High Your boiler has stopped working because it is unable to accurately measure the temperature of the water inside it, causing it to shut down for safety.
3@ High Your boiler has stopped heating because it is getting a faulty signal from a temperature sensor that monitors the water returning to the system.
3& High Your boiler has lost the connection to a sensor responsible for monitoring the heat of the water returning to the system, causing it to stop working for safety reasons.
3^ High Your boiler has lost the ability to read its internal temperature, so it has safely shut down to prevent overheating.
3$ Low Your boiler is receiving an error signal from the external weather sensor, meaning it cannot accurately detect the temperature outside to adjust your heating automatically.
4 High Your boiler is struggling to switch between heating your radiators and providing hot water, which means you may not have hot water until it is fixed.
04 High Your boiler has detected an internal electrical problem and has safely shut itself down to prevent further damage.
4-5 Low Your boiler is currently running at its second, higher-power stage to meet the requested heating or hot water demand.
4) High Your boiler has detected an incorrect internal setting that prevents it from starting up properly.
5 Low Your boiler is perfectly fine and is simply taking a short break to prevent excessive wear after a recent period of heating.
6 Low Your boiler has temporarily switched itself off because the water inside it has reached the target temperature, so it is simply pausing to save energy and prevent overheating.
6-7 Low Your boiler is operating normally and is currently running at its first stage of heating power.
6.4.1 Flame control High Your boiler has failed to ignite or lost its flame during operation, and has now shut itself down for safety reasons.
6.4.2 Thermostats High Your boiler has detected that a safety thermostat has tripped, causing it to shut down to prevent the system from overheating.
6.4.3 Water level control High Your boiler has detected that the water pressure inside the system is critically low, so it has safely shut itself down to prevent damage.
6.4.4 Valve leakage control - optional Emergency Your boiler has detected that the internal gas valve may not be closing properly, so it has safely shut itself down to prevent a potential gas buildup.
6.4.5 Gas pressure switch LD - optional Emergency Your boiler has identified an issue with the gas supply pressure and has safely shut itself down to prevent ignition problems.
6.4.6 Gas pressure switch HD - optional High Your boiler has detected that the incoming gas supply pressure is outside of the safe operating range and has shut itself down to prevent damage.
6.4.7 Down draft thermostat Emergency Your boiler has detected that exhaust gases are being blown back into the unit instead of venting safely outside, so it has shut itself down to prevent a fire or carbon monoxide risk.
7 Low Your boiler is currently cooling down by circulating water, which is a normal part of its shutdown process after heating your home or water.
7& High Your boiler has stopped producing a flame and cannot safely restart, meaning you currently have no heating or hot water.
8 Medium Your boiler is struggling to switch between heating your radiators and heating your hot water tank, causing it to pause operations to prevent damage.
8-9 High Your boiler is not receiving any electricity, which means the unit is completely shut down and cannot provide any heating or hot water.
08. High Your boiler is struggling to breathe because the vents or internal airways are blocked, preventing it from safely exhausting fumes.
9 Low Your boiler has temporarily stopped heating the water because it reached the desired temperature, so it is currently in a normal cooling-down phase.
10 High Your boiler's computer has detected a serious internal communication error and has shut itself down to prevent unsafe operation.
10-11 High Your boiler has detected that a safety valve is not opening or closing correctly, which means it cannot safely regulate the internal water flow or gas pressure.
12-13 High Your boiler has failed to light the flame, so it has safely shut itself down to prevent a gas build-up.
12. High Your boiler has stopped working because an internal safety fuse has blown, meaning the control system cannot power up.
13 High Your boiler has detected an internal computer error and has shut down for safety reasons.
14 High Your boiler's internal computer has encountered a critical error and can no longer safely operate your heating or hot water.
14-15 High Your boiler has stopped working because the water pressure inside the system has dropped too low to operate safely.
15 High Your boiler's main brain is experiencing a technical issue and needs to be reset or inspected by a professional to ensure it is working safely.
16 High Your boiler's internal computer has encountered a critical error and cannot safely operate, meaning you currently have no heating or hot water.
16-17 Emergency Your boiler has detected that hot exhaust fumes are being blown back into the machine instead of escaping through your flue, which triggers a safety shutdown to prevent the buildup of dangerous gases.
17 High Your boiler's computer system has encountered a critical internal error and is unable to safely control the heating or hot water, causing the system to stop working completely.
18-19 High Your boiler has detected that the internal water pressure or the amount of water inside the unit is insufficient for it to operate safely.
18. High Your boiler has switched itself off because the water inside it has become dangerously hot, likely due to a blockage in the system or a pump failure.
19. High Your boiler has shut down because the water inside its pipes has become hotter than the system is designed to handle.
20-21 High Your boiler has detected that it is running too hot and has automatically switched itself off to prevent potential damage.
24. High Your boiler is confused because it detects that the water flowing out is cooler than the water flowing in, which is the opposite of how it should be working.
25. High Your boiler is overheating because it cannot move the hot water away fast enough, causing it to shut down to prevent damage.
28. High Your boiler has stopped working because the mechanical fan that pushes exhaust gases out of the flue cannot turn on.
29. Medium Your boiler's inner cooling fan is failing to turn off, which is usually caused by a loose wiring connection or a faulty communication signal within the unit.
30. High Your boiler has switched itself off because the water inside is not circulating correctly, causing a significant temperature difference between the water heading to your radiators and the water returning to the boiler.
31. High Your boiler has stopped working because a sensor that measures the water temperature is reporting an incorrect or impossible reading, causing the system to shut down for safety.
32. High Your boiler has stopped working because it cannot correctly read the temperature of the water returning to it from your radiators.
36. High Your boiler has stopped working because it can no longer accurately read the temperature of the water flowing through your heating system.
37 High Your boiler has detected an issue with one of its internal temperature sensors, which means it cannot accurately monitor your heating system and has shut down as a safety precaution.
37. High Your boiler has lost the ability to accurately measure the temperature of the water circulating back into it, so it has shut down as a precaution to prevent overheating.
41 High Your boiler's internal computer has encountered a critical system error and is unable to safely control the heating process to prevent operation.
42 High Your boiler's internal computer has encountered a critical error and is unable to safely control the heating system, meaning the boiler has shut down to prevent damage.
43. High Your boiler's internal computer settings have become scrambled or corrupted, meaning it no longer knows how to run your heating system correctly.
44 High Your boiler's internal computer has encountered a critical system error and has stopped working to prevent further damage.
60 High Your boiler's computer has detected an internal error and has shut down to prevent damage, meaning you currently have no heating or hot water.
61. High Your boiler has detected an issue with the airflow system which prevents it from safely igniting or operating.
975 Medium Your boiler has paused its normal operation to protect itself and is currently only capable of heating water for your taps rather than your radiators.
980 Medium Your boiler has temporarily stopped because it reached its temperature limit for safety reasons, likely triggered by a restriction in water flow.
A. Low Your boiler is displaying a status code indicating how it has been configured to manage your heating and hot water settings, but it is not currently indicating a system failure.
b Low Your boiler is simply showing you a status update to confirm the fan is spinning at its normal operating speed.
B@( High Your boiler's internal air fan is failing to start correctly, so it has shut itself down to ensure your safety.
B@* High Your boiler is struggling to ensure the air required for safe combustion is flowing correctly and has stopped working to keep you safe.
B@% Medium Your boiler is temporarily switching itself off because the water inside is heating up too quickly or getting too hot, but it should try to restart automatically after a short wait.
b@^ Medium Your boiler has temporarily stopped itself because a safety sensor or external control device triggered a circuit break, so it will automatically try to restart within two minutes.
b# Low Your boiler has temporarily switched itself off because the temperature difference between the water leaving and returning to the unit is too high.
B#) Medium Your boiler has detected that the water leaving the boiler is much hotter than the water returning, suggesting a restricted flow through your heating system.
B$# High The internal brain of your boiler has detected that its settings have been altered to values that are unsafe or incorrect for your home.
b20 High Your boiler has detected that the internal fan is spinning faster than it should, so it has safely shut down to prevent damage.
b22 Medium Your boiler has detected that the temperature sensors measuring your water flow are reading in the wrong order, likely because the pipes or sensors were installed backward.
b25 High Your boiler is detecting that its internal water temperature is rising much faster than it should, so it has shut down to prevent damage.
b26 High Your boiler has stopped working because it cannot detect enough water circulating inside the system.
b28 High Your boiler is failing to start because it cannot get the internal air-moving fan up to the correct speed to safely prepare for ignition.
b29 High Your boiler has detected that the air-intake fan is not spinning at the correct speed and has stopped working to keep the system safe.
b30 High Your boiler has detected that the water flowing out to your radiators is significantly hotter than the water returning, suggesting a circulation issue within your heating system.
b43 High The internal computer settings for your boiler have been altered, causing the system to stop working because it no longer knows how to run safely.
Burner not working High Your boiler is currently switched off because it is either not receiving a signal to turn on or it is experiencing an electrical power supply issue.
Burner starts, flame established High Your boiler is attempting to light but is failing to detect the flame, causing it to shut down for your safety.
Burner starts, no flame High Your boiler is trying to start but cannot maintain a flame, meaning you currently have no heating or hot water.
bXX Low Your boiler has entered a temporary pause state, often because it is waiting for a command from your heating controls or has been blocked by an external factor.
Control thermostat High/Low: shutdown Low Your boiler has temporarily stopped itself because the water inside got a little too hot, but it should restart on its own once it cools down.
Control thermostat On/Off: shutdown Low Your boiler has temporarily switched itself off because it has reached the maximum temperature it is allowed to get to, and it will restart automatically once it cools down.
Down draught thermostat: shut down Emergency Your boiler has detected that hot exhaust gases are being blown back into the room instead of going up the chimney, so it has safely turned itself off to prevent poisonous fumes from building up.
E0 High Your boiler's computer has experienced a memory error, meaning it can no longer process instructions to heat your home.
E01 High Your boiler has failed to light the burner, meaning it cannot produce heat or hot water because it has detected a problem with the ignition process.
E1 High Your boiler has lost its internal power supply to the main control board, which means it cannot operate your heating or hot water.
E2 High Your boiler is failing to light the burner or keep it lit, which means it has safely shut itself down to prevent gas from building up.
E3 High Your boiler has detected that it is overheating and has automatically shut itself down to prevent damage.
E4 High Your boiler has stopped working because it can no longer read the temperature of the water circulating inside your heating system.
E5 High Your boiler has detected that the water inside the system has become dangerously hot and has shut itself down to prevent damage or overheating.
E6 High Your boiler has detected an issue with its airflow and has safely shut down to prevent it from running incorrectly.
E7 High Your boiler has sensed that the water inside it is heating up much faster than it is supposed to, causing it to shut down to prevent damage.
E8 High Your boiler has detected that the water leaving it is significantly hotter than the water returning, meaning heat isn't circulating properly through your radiators.
E9 High Your boiler is struggling to move water around your heating system properly, which is causing it to shut down for safety.
E10 High Your boiler's internal computer has lost its ability to keep time, which is preventing it from starting up correctly.
E11 High Your boiler has stopped working because the internal fan is struggling to spin at the speed required to burn fuel safely.
E12 High Your boiler is failing to light the gas inside because it cannot detect a flame after several tries, meaning you currently have no heating or hot water.
E13 High Your boiler was running but the flame unexpectedly went out, causing it to stop heating your home.
E14 Emergency Your boiler has detected a flame inside when it should be switched off, and it has locked itself out to keep you safe.
E15 High Your boiler's main computer brain is experiencing an internal electronic fault and has shut down to prevent incorrect operation.
E16 High Your boiler's internal computer has encountered a serious problem that is preventing it from running safely, requiring a qualified engineer to inspect the control system.
E17 High Your boiler has detected an internal computer error that is preventing it from starting up correctly.
end of green zone (no rotation of color disc) Low Your boiler is currently in a standby state because it has not received a request for heating or hot water, and there is no active power being sent to the internal control system.
end of yellow zone; begin of green zone High Your boiler is failing to light the flame needed to heat your home's water, which means you currently have no heating or hot water.
end of yellow zone; begin of red zone High Your boiler is failing to ignite because it cannot produce a spark or detect a flame, meaning you currently have no heating or hot water.
Flame failure: lock out High Your boiler has stopped working because it cannot light the flame or keep it burning, requiring a professional to check the gas supply and internal safety sensors.
Green zone; end of green zone High Your boiler is struggling to keep its internal flame lit, which means it will likely stop providing heating or hot water until the ignition system is serviced.
h Low Your boiler is currently running at its maximum power setting, which is a normal state used during servicing or testing rather than a system error.
High Limit thermostat: lock out High Your boiler has detected that it has become dangerously overheated and has automatically shut itself down to prevent damage.
Ionisation current failure: lock out High Your boiler has failed to ignite because it cannot detect a flame, causing it to shut down for safety.
l Low Your boiler is currently running at a lower power level than usual as part of its normal operation, rather than indicating a fault.
Other Codes High Your boiler's internal computer has encountered a critical error preventing it from operating safely.
red zone High Your boiler is struggling to keep its internal flame lit, which prevents it from safely heating your water or home.
Valve leakage control: lock out Emergency Your boiler has detected a potential internal gas leak and has automatically locked itself shut to keep your home safe.
Water level control: lock out High Your boiler has stopped working because it cannot detect the water level inside the unit, likely due to a loose wire or a faulty sensor connection.
x[[ Low Your boiler is currently running normally and is in its standard operating state.
X00 Low Your boiler is currently in a manual testing or configuration mode used by engineers to perform maintenance checks.

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