Low
Orange neon on Baxi Suprima 40

Your boiler is receiving electrical power and is currently in standby mode or a normal phase of operation.

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

Control panel neon indicating the mains supply is live.

From this model's manual
Verified against the Baxi Suprima 40 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 if the thermostat is turned up high enough to trigger a demand for heatEnsure the external programmer or timer is set to 'On' or 'Auto'Wait a few minutes to see if the light changes to green, indicating the boiler has started firing

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Related fault codes

Green neonView →Red neonView →

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