Low
5 green flashes on Baxi Profile Prima

Your boiler has experienced a brief communication glitch with its internal computer brain, which it should fix by 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 up to 10 minutes for the boiler to automatically reset itselfTurn the boiler off at the main electrical switch and back on again after 30 secondsIf the fault persists or recurs frequently, contact a Gas Safe engineer to check the electrical connections

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Related fault codes

4 green flashesView →6 green flashesView →

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