2008 F430 heater only works with the AC on (OFF button is out) | FerrariChat
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2008 F430 heater only works with the AC on (OFF button is out)

Discussion in '360/430' started by colonels, Nov 10, 2025 at 1:38 PM.

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  1. colonels

    colonels Formula Junior

    Aug 5, 2011
    889
    #1 colonels, Nov 10, 2025 at 1:38 PM
    the OFF button on these cars that shuts off the AC compressor is OFF when you push it in (same with the recirc button)

    since getting cold weather i shut off the AC compressor but noticed that it won't blow hot air. when AC is back on the hot air works just fine.

    is this normal?
     
  2. flash32

    flash32 F1 Veteran

    Aug 22, 2008
    7,218
    Central NJ
    Full Name:
    Dominick
    #2 flash32, Nov 10, 2025 at 1:44 PM
    The off button is system off not AC off ..so yes working as designed
     
    colonels likes this.
  3. colonels

    colonels Formula Junior

    Aug 5, 2011
    889
    #3 colonels, Nov 10, 2025 at 1:54 PM
    really? is there a way to shut off the AC compressor with the whole system still on?
     
  4. flash32

    flash32 F1 Veteran

    Aug 22, 2008
    7,218
    Central NJ
    Full Name:
    Dominick
    #4 flash32, Nov 10, 2025 at 2:00 PM
    The whole point of having AC even when temps are on cooler side is to dehumidify the air before it is heated so you don't get fog on windows

    The compressor will be automatically be shut down when ambient temps are too low for it to operate safely

    Even on my BMW I keep the AC switch on all year round so the air is conditioned (meaning dehumidified) and temp regulated
     
  5. DiSomma6

    DiSomma6 Formula Junior

    Nov 27, 2023
    333
    Full Name:
    Erik
    #5 DiSomma6, Nov 10, 2025 at 2:21 PM
    You are correct! This is how mine works.

    Before I knew Ferraris, I thought it worked similar to the "EC" or "Econ" button on most European AC controllers, in which case you can hit that to use heat without using your compressor for no reason. That's how my Mercedes' and Porsches worked. But I was wrong lol.
     
  6. hessank

    hessank Formula 3
    Silver Subscribed

    Aug 8, 2005
    1,972
    Canada, Florida
    Full Name:
    Fred
    #6 hessank, Nov 10, 2025 at 5:07 PM
    The heating & cooling duties are handled by the Climate Controlled System and consequently needs the compressor for both.
     
    flash32 likes this.
  7. kenneyd

    kenneyd Formula 3

    Sep 30, 2014
    2,043
    NE FL
    Full Name:
    Ken
    #7 kenneyd, Nov 10, 2025 at 6:01 PM
    normal.

    I ran into this last year when it got cold. thought something was broke. came here, found out its the way it was designed

    weird huh?
     
  8. rayzha

    rayzha Karting

    Feb 17, 2015
    62
    #8 rayzha, Nov 11, 2025 at 12:40 AM
    also the traction control off button in the 360 (maybe 430?) isnt traction control off (like every other car)... its wet weather mode. some of this stuff makes no sense
     

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