Low
202 on Worcester Bosch Greenstar Heatslave II

Your boiler is perfectly safe and is simply taking a short, programmed break to prevent it from turning on and off too frequently.

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.

Technical description

CH Anti rapid-cycle mode: Time delay to prevent rapid-cycling of the boiler on the room thermostat.

Engineer required

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

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