High
Lights: Off Off Off on Potterton Suprima HE

Your boiler has lost all power and is completely switched off, likely due to a blown fuse or an electrical supply issue.

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

Failure of electrical supply. Check 240V at terminal block and PCB fuse.

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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