Low
5 green flashes on Baxi Suprima 50

Your boiler has experienced a brief electronic 'hiccup' or data error and is trying to clear 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

Parameter error on printed circuit board (PCB). Temporary error, will self reset

DIY fix possible

Wait for the boiler to self-reset as it is programmed to do.If the flashing continues for more than 10 minutes, turn the power off at the fused spur switch for 30 seconds and turn it back on.Press the reset button if the light pattern changes to a static red light.

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