VALVE FEED BACK ERROR High

Johnson Starley VALVE FEED BACK ERROR Fault Code

Also written as VALVEFEEDBACKERROR — same fault.

The Johnson Starley VALVE FEED BACK ERROR fault code means: your boiler has detected a communication problem with the gas valve, which means it cannot safely ignite to provide heating or hot water.. It appears on 1 Johnson Starley model in our database.

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.
Typical repair cost £180-350 (including labour)

Engineer required

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

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Johnson Starley models that show the VALVE FEED BACK ERROR fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Johnson Starley VALVE FEED BACK ERROR fault code information on this page is sourced and cross-checked against the official Johnson Starley service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026