High
C. (2) on Potterton Kingfisher 2

Your boiler is staying in its standby mode because your home's thermostat or programmer is not currently sending a signal to ask for heating or hot water.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Main burner fails to light, pilot burning - Additional controls not calling for heat.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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