BoilerFaultCodesWhat the manual says
Manufacturer manualFan Lockout. Go to Fan Lockout section of the fault finding instructions.
From this model's manual
Verified against the Potterton Boiler Promax Heatonlyheinstallation installation & service manual.
Engineer required
This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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All 51 fault codes on the Suprima HE
Seeing a different code? Every code this model can display, in one place.
242526272829All lights: OFFAPS Cycling LOCKOUTAPS Stuck FaultBoiler TemperatureCasting Thermistor FaultCirculationCirculation LOCKOUTElectrical Supply FaultFalse Flame FaultFlashing Red LEDFlow Thermistor FaultGreen LED OFF, Red LED ONGREEN LED on continuouslyGreen LED ON, Red LED OFFGreen light 'On' onlyGreen light flashes rapidlyGreen light On onlyIgnition LOCKOUTLights: Flash Off FlashLights: Flash Off OnLights: On Off FlashLockoutLockout (LED Mode)Lockout (rapid flashing)Lockout (Red) light is onLockout (Red) light will flashNo Switched LiveONOverheatOverheat - Red LED: FLASHINGOverheat conditionOverheat LOCKOUTOverheat ThermostatPCB FaultRED & GREEN lights flashingRED & GREEN lights OFFRed LED flashingRED LED on continuouslyRed LED on onlyRed LED rapid flashingRed LED: Flashing RedRed LED: Rapid FlashingRed light flashing (Lockout)THERMISTOR