Low
5 green flashes on Baxi Suprima 80

Your boiler is experiencing a temporary communication glitch with its internal computer, but it should fix itself automatically.

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 automaticallyMonitor the light panel to see if the flashing stopsIf the fault persists, try turning the control knob to 'Reset' and then back to the desired temperature

Find a Gas Safe engineer
Search the official register →

Related guides you might find useful