Low
202 on Worcester Bosch Greenstar 27CDi

Your boiler is taking a short rest between heating cycles to prevent rapid stop-start wearing, which is a normal protective feature ensuring it doesn't overheat.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Boiler in anti-cycle mode

From this model's manual
Verified against the Worcester Bosch Greenstar 27cdi installation & service manual, page 79.
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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