Low
226 on Worcester Bosch Danesmoor

Your boiler has recorded that a technician's diagnostic tool was recently plugged into the control system's error history memory.

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 secondsSwitch the main electrical power to the boiler off and back on againIf the code persists, it simply indicates the system is in service mode and should clear automatically

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