BoilerFaultCodes.com

Ideal Mini HE Fault Codes

Combi Natural GasLPG 24-30 kW 2005-2012 Discontinued
GC Numbers: 47-348-2447-348-2547-348-26

Replaced by: Logic+ Combi

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

E
Your boiler has stopped working to protect itself and needs a manual restart to clear a temporary error.
May be DIY safe · £0-250
E01
Your boiler has tried to start up but cannot light the gas flame, which means your heating and hot water will not work.
May be DIY safe · £90-280
E02
Your boiler has got too hot and has shut itself down as a safety precaution to prevent damage.
May be DIY safe · £120-250

All 39 fault codes

Code Severity Plain English
A Low Your boiler is currently in standby mode and is receiving power normally, but it is not currently receiving a command to provide heating or hot water.
E High Your boiler has stopped working to protect itself and needs a manual restart to clear a temporary error.
E01 High Your boiler has tried to start up but cannot light the gas flame, which means your heating and hot water will not work.
E02 High Your boiler has got too hot and has shut itself down as a safety precaution to prevent damage.
E03 High Your boiler has stopped working because it cannot safely clear waste gases through the ventilation pipe.
E05 High Your boiler has detected a fault with the sensor that monitors the temperature of the water leaving the unit to heat your radiators.
E06 Medium Your boiler is having trouble measuring the temperature of your hot water, which usually means it cannot provide consistent heat to your taps.
E15 High Your boiler has detected a problem with the sensor that monitors the temperature of the water coming back into the unit, preventing it from heating correctly.
E16 High Your boiler has detected that there is not enough water in the system to operate safely, causing it to shut down temporarily.
E22 High Your boiler's internal computer brain has lost its configuration settings and needs a professional to reset or replace it.
E35 High Your boiler has sensed a flame after it should have gone out, or before it has even started, causing it to shut down for safety.
Excessive temperature on primary circuit High Your boiler has become too hot internally and has shut down as a safety precaution to prevent damage.
Faulty c.h. temperature probe NTC High Your boiler is struggling to monitor the temperature of the water circulating in your radiators, which prevents the heating from working correctly.
Faulty d.h.w temperature probe NTC Medium Your boiler's temperature sensor for hot water is failing, meaning the system cannot accurately heat water for your taps.
Faulty Electronic control/ignition p.c.b. High Your boiler's internal computer has encountered a critical error and can no longer control the ignition process or heating functions.
Faulty flue temperature probe NTC High Your boiler has detected that a temperature sensor inside the exhaust pipe is faulty and needs replacing to ensure the unit operates safely.
Faulty primary circuit (no water or absence of flow) High Your boiler has detected that there isn't enough water pressure or the water isn't moving through the system properly to keep it running safely.
Flue temperature probe NTC lockout High Your boiler has sensed that the exhaust gases are getting too hot and has shut down as a safety precaution to prevent damage.
Green LED flashing (1 second on, 1 second off) Low Your boiler is currently operating normally and is providing heat to your radiators.
Green LED flashing (4 times per second) High Your boiler has detected an internal error, likely caused by a failed ignition attempt or a temporary problem with the electronic control board.
Lack of burner ignition High Your boiler is trying to start up but cannot light the gas to create a flame, meaning you will have no heating or hot water.
Lack of power supply or faulty electronic control p.c.b. High Your boiler has no power and the screen or lights are completely dark, meaning it cannot start up to provide heating or hot water.
LED 1 and LED 3 on, plus LED 4 on High Your boiler has failed to light or has tripped its safety cut-out because it got too hot.
LED 1 fast pulse Low Your boiler has detected a minor electronic sensor issue and is running at a lower power level to keep your home warm until it can be serviced.
LED 1 flashing, LED 2 and LED 3 on High Your boiler has detected an issue with how it clears exhaust gases, which has caused it to shut down for safety.
LED 1 on, LED 2 flashing High Your boiler has detected an issue with how it clears fumes from the system, preventing it from lighting safely for your heating and hot water.
LED 2 and LED 3 flashing High Your boiler's central heating temperature sensor has likely failed, preventing the system from accurately measuring how hot the water is.
LED 2 flashing, LED 3 on High Your boiler has detected a problem with the sensor that monitors hot water temperature, which means you will likely have no hot water or inconsistent temperatures.
LED1 and LED2 flashing, LED3 on High Your boiler has become too hot and has shut itself down as a safety precaution.
LED1 and LED2 on, LED3 flashing High Your boiler has detected a problem with the sensor that monitors exhaust gases and has shut down as a safety precaution.
LED1 and LED3 flashing, plus lockout High Your boiler has failed to light a flame, which means it has safely shut itself down and will not provide heating or hot water until reset.
LED1 flashing, LED2 on High Your boiler has detected a problem with the sensor that monitors the temperature of your central heating water, meaning it can't heat your radiators safely.
LED1 on, LED2 and LED3 flashing High Your boiler has stopped working because the internal fan is not clearing the fumes properly, which is preventing the heating from starting up.
LED1 on, LED2 flashing High Your boiler has detected a problem with how it moves air and exhaust gases through the system, preventing it from firing up safely.
LED1, LED2 and LED3 on High Your boiler's main control board has suffered a critical failure, meaning the unit cannot communicate with its internal components to provide heating or hot water.
LED2 and LED3 flashing High Your boiler has lost water pressure or isn't circulating water correctly, causing it to shut down for safety.
LED2 flashing, LED3 on Medium Your boiler has detected a sensor problem that is preventing it from providing hot water correctly.
Lock-out signal lamp E blinks High Your boiler has tried to start up but failed to ignite the gas flame, causing the system to shut down for safety.
Lock-out signal lamp E blinks quickly (2 per second) Low Your boiler's internal settings have been adjusted and the system is waiting for you to confirm and save these changes to resume normal operation.

Ideal Mini 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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