Low
4 green flashes on Baxi Suprima 80

Your boiler has experienced a brief communication glitch between its internal components and should fix itself automatically.

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

Communication error between printed circuit board (PCB) and control. Temporary error, will self reset.

DIY fix possible

Wait for the boiler to automatically reset itself.If the flashing continues, press the reset button once.Ensure there are no external power fluctuations affecting the unit.

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