Low
4 green flashes on Baxi Bermuda

Your boiler is having a temporary 'conversation' issue between its internal computer parts and should fix itself automatically in a moment.

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

Communication error between printed circuit board (PCB) and control. Temporary error, will self reset.

DIY fix possible

Wait for the boiler to automatically reset itselfTurn the power to the boiler off and back on again at the fused spur switchEnsure no buttons on the control panel are stuck or being held down

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