Vaillant Fault Code F.02

F.02

Interruption: DHW outlet sensor: Only in conjunction with F.91NTC defective, NTC cable defective, defective plug connection on NTC, defective plug connection on the actoSTOR electronics



Landlord gas safety inspection Cheshunt, Ware, Hertford
Landlord gas safety inspection Cheshunt, Ware, Hertford

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