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Ventilation System Has A Mind Of Its Own

mystic.bertie Nov 29, 2011

  1. mystic.bertie

    mystic.bertie Member

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    2001 2.5tdi, my ventilation system does what it wants, i am not using auto and i have the econ button on, but if i set the temp and the fan speed the next thing i know the fan speed is way up and making lots of noise, is this a common fault?
     
  2. crazy88

    crazy88 Loving the anonymity

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    Mine does this too. Auto mode off and it still seems to try decide what speed for the fan I need.

    Id also like to know other peoples ideas as to cause/ fixes.
     
  3. Mike B

    Mike B Well-Known Member

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    Are you saying that you cant control the fan speed at all?Are all the buttons working freely ?
     
  4. crazy88

    crazy88 Loving the anonymity

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    On mine the buttons work 99% of the time. However, when changing from 18c to xxC for example the unit then decides to up the fan speed to max usually. Even when auto is turned off. I can then manually turn fan speed down but I wish it stayed on 3 as I usually have it. Does that make any sense?
     
  5. mystic.bertie

    mystic.bertie Member

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    YEAH mine too all the buttons work fine, i can adjust the speed of the fan too but the next thing i know the speed is getting higher and higher,i turn it down it gets higher and higher, also its in manual mode not auto.
     

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