BoilerFaultCodesWhat the manual says
Manufacturer manualThe 'overheat' indicator light will be illuminated if the appliance needs resetting. This occurs should the system overheat or due to an interruption to the electricity supply.
From this model's manual
Verified against the Baxi Boiler Solo 3 Pfl 30 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 23 fault codes on the Solo 3 40 PF
Seeing a different code? Every code this model can display, in one place.
Boiler On (Orange LED)Boiler On light onBurner LED GreenBurner On light offFan/Flue LED GreenIndicator light inside box litLights: Flash Flash OnLights: Flash Off FlashLights: Flash Off OnLights: On Off FlashLights: On Off OnLights: On On OnLockout light onOverheat (Red LED)Overheat Neon IlluminationPeripheral / Pump LED GreenPilot On lightPilot On light onPilot/Ignition LED GreenPower LED GreenPower On (Green LED)Red neon illuminated