Low
Boiler On on Baxi Solo 3 40 PF

Your boiler is receiving power and is currently switched on, meaning it is ready to heat your home as needed.

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.

Technical description

Indicator light showing mains voltage at P/L input and fuse health; should be on if external controls call for heat.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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