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Vaillant Fault Code F.62

F.62

Fault: Fuel valve switch-off delay: Delayed shutdown of gas valve detected– Secondary light (ignition and monitoring electrode indicates delayed extinguishing of the flame signal)– Gas valve defective– PCB defective



Landlord gas safety inspection Enfield, Potters Bar,Cheshunt, Ware, Hertford
Vaillant Fault Code F.62

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