Low
5 green flashes on Baxi Suprima 70

Your boiler has experienced a temporary electronic glitch in its control system, but it is programmed to fix itself and restart 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 complete its self-reset processIf the flashing continues for more than 30 minutes, turn the power switch off and back on againMonitor the boiler to see if the fault recurs frequently

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