Ac stuck on defrost

Discussion in 'Freightliner Forum' started by Inneed644, Apr 23, 2018.

  1. Inneed644

    Inneed644 Bobtail Member

    1
    0
    Apr 23, 2018
    0
    2015 Freightliner Cascadia. Everything was working fine and I turned it on defrost for the Heat to get the condensation off the windshield. When I turn it back the blower still blowing out of the defrost but it got cool when I turn the knob to cool. I'm lost please help me advice please
     
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  3. Expeditor

    Expeditor Medium Load Member

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    Mar 5, 2018
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    There should be a defrost/floor/vents door that is operated by a actuator motor. It could be the door getting stuck, bad actuator motor attached to the door, bad wiring or bad switch. Shouldn't be that hard to diagnose and fix.
     
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