Medium
372 on Worcester Bosch Greenstar 28CDi

Your boiler is temporarily pausing your heating to prevent its internal parts from getting too hot, usually because the water is not flowing through the system as quickly as it should.

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

Temporarily ignoring CH requests to limit temperatures of the appliance components

From this model's manual
Verified against the Worcester Bosch Greenstar 28cdi Compact installation & service manual, page 66.
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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