Low
r1 on Worcester Bosch ZB 7 27 HE

Your boiler is currently performing an internal reset to restore its factory service settings, which is a normal process and not an actual error.

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

Reset 1: Resetting service functions 0.0 to 4.9 to their factory settings

DIY fix possible

Ensure the boiler is not currently in a service modeWait for the display to cycle through the reset sequenceIf the code persists, press the reset button once to return to normal operation

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