High
VALVE FEED BACK ERROR on Johnson Starley J32 System ET

Your boiler has detected a communication problem with the gas valve, which means it cannot safely ignite to provide heating or hot water.

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

Unplug the Gas Valve. Is there resistance between pins 114Ω.

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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