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  1. F

    Vizo boiler error code already?

    Thanks Mehran. This has fixed the problem and I now have the hot water back.. :D
  2. F

    Vizo boiler error code already?

    Hi, I have the "F4" fault on my Vizo plus 24 boiler. I looked inside the trap and the sensor (well 2 screws..) were wet. I have now dried them off and the "F4" fault still remains. Is there anything I need to do to reset the fault condition?
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