Medium
1068 on Worcester Bosch Greenstar 8000+ Style

Your boiler's internal sensor system is confused about the air quality or external temperature, which may hinder its efficiency or ability to run.

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

Outside temp. sensor or lambda probe faulty.

Shared across the Greenstar 8000+ Style range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

All 99 fault codes on the Greenstar 8000+ Style

Seeing a different code? Every code this model can display, in one place.

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