Medium
8/0/3 on Worcester Bosch GB162

Your boiler has lost its internal clock settings, likely due to a recent power cut, and needs to be reset to allow it to operate correctly.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Date not set. Failing date setting, e.g. due to a long power cut.

From this model's manual
Verified against the Worcester Bosch Gb162 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Locate the display panel on the front of your boiler.Access the settings menu to manually input the current date and time.Save the settings and restart the boiler to clear the fault code.If the settings do not stick after repeated power off/on, contact a technician to check the internal battery.

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