Low
5 green flashes on Baxi Suprima 115

Your boiler's internal computer has encountered a momentary glitch in its settings but 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

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

DIY fix possible

Wait for the boiler to automatically reset itselfIf the flashing continues for more than 10 minutes, turn the main power switch to the boiler off and back on againCheck that the temperature control knob is not stuck between settings

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