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viessmann Vitodens 200-W, WB2A

hey i am having som issues with the outdoor sensor   i have replaced it and the wire twice now and i still get a fault code from it not sure what to do next any thoughts


  • CMadatMe
    CMadatMe Member Posts: 3,066
    edited May 2010
    I take it

    you checked resistance and the sensor is within limits? If so you may have a bad VR20 board. Providing all your wiring is correct.
    "The bitter taste of a poor installation remains much longer than the sweet taste of the lowest price."
  • Supply House Rick
    Supply House Rick Member Posts: 1,404
    I have the solution

    Put in a Triangle Tube Prestige Solo... hahahahahahah
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