Low
226 on Worcester Bosch Junior 28i

Your boiler has recorded that a technician's diagnostic tool was plugged into the system's memory menu, but it is not a mechanical fault with the boiler itself.

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

Service tool has been connected in the blocking error history menu

DIY fix possible

Press and hold the 'Reset' button for five secondsTurn the power to the boiler off at the fused spur switch, wait 30 seconds, and turn it back onMonitor the display to see if the code clears and the green light stays solid

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