Medium
Noisy operation on Worcester Bosch Utility

Your boiler is making loud or unusual sounds, which usually means internal moving parts are either struggling to circulate water or starting to wear out.

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

Pump noise from air in pump or worn pump; Worn motor bearings; Fan out of balance

From this model's manual
Verified against the Worcester Bosch Greenstar Camray Utility 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.

Engineer required

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

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Boiler cover options

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