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Fan/Flue LED Green on Baxi Solo 3 40 PF

Your boiler is correctly sensing that the fan is pushing air through the system, which is a normal part of the startup sequence.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Pressure switch has closed and the fan is running

From this model's manual
Verified against the Baxi Boiler Solo 3 30 Pf installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check that the external flue pipe is not blocked by debris or nestsEnsure the electricity supply to the boiler is stableIf the light stays on but the boiler doesn't fire, try resetting the power at the fused spur

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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 offIndicator 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 indicator lightOverheat Neon IlluminationPeripheral / Pump LED GreenPilot On lightPilot On light onPilot/Ignition LED GreenPower LED GreenPower On (Green LED)Red neon illuminated

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