Emergency
F.61 on Vaillant ecoTEC Plus 610

Your boiler has detected an electrical fault in the system that controls the gas supply, meaning it has safely shut itself down to prevent any unsafe operation.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description

Fault:Gasvalvecontrolsystem | Shortcircuit/shorttoearthincableharnessforthegasvalve,gasvalvedefective(coilsshortedtoearth),electronicsdefective

Engineer required

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

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Related fault codes

F.62View →F.63View →F.64View →

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