Vaillant Fault Code F.64

F.64

Fault: Electronics/sensor: Flow or return NTC short circuited, electronics defective




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Ware, Harlow, Hertford, Broxbourne, Hoddesdon, Roydon, Epping, Loughton, Woodford, Chingford, Enfield, Edmonton, Tottenham, Wood Green, Crouch End, Holloway, Hackney and Central London

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