Medium
2969 on Worcester Bosch Greenstar 8000 Life Regular

Your boiler has detected that it has been topped up with water too many times, suggesting there may be a hidden leak in your heating system.

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

Maximum number of refills reached

Shared across the Greenstar 8000 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 107 fault codes on the Greenstar 8000 Life Regular

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

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