Low
202 on Worcester Bosch Greenstar 27i System Compact ErP

Your boiler is temporarily pausing its heating to prevent turning on and off too quickly, which is usually a normal safety feature rather than a fault.

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

Anti rapid cycle mode for CH

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar 12i System 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.

DIY fix possible

Wait 5 to 10 minutes for the anti-cycling timer to expire and the boiler to restart automatically.Check that your heating controls or thermostat are not rapidly switching the boiler on and off.Ensure your radiators are fully open to allow heat to dissipate properly.

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Related fault codes

201View →203View →204View →

All 65 fault codes on the Greenstar 27i System Compact ErP

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

& F08C9U200201203204205207208210211212213217260261262263264265266267268269270271272273274276277278280338380A3A7A8b7C4C6C7CCCECFD1D3D4E2E3E4E5E9EAECEDEEEFF0F7FAFbFD

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