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air-con stays on 

 

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 Post subject: air-con stays on
Posted: Mon Apr 30, 2012 2:51 pm 
Stock as a Rock
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hi guys,
on my AU2 futura with the basic heater controls, the aircon goes on when i turn on the fan regardless of whether the A/C button is pressed on or off. it just stays on (even if the light on the A/C turns off). any ideas on this one?
cheers, adam
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 Post subject: Re: air-con stays on
Posted: Mon Apr 30, 2012 3:59 pm 
Getting Side Ways
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mmm, iv only seen this happen in some cars if the air vents are set to demist the windscreen.

 

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 Post subject: Re: air-con stays on
Posted: Mon Apr 30, 2012 9:02 pm 
Stock as a Rock
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nope, definately on all modes!
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 Post subject: Re: air-con stays on
Posted: Thu May 17, 2012 1:14 pm 
Stock as a Rock
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bump? any ideas where to look?
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 Post subject: Re: air-con stays on
Posted: Thu May 17, 2012 1:38 pm 
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Disconect the switch. It may be stuck in the on position maybe??

 

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 Post subject: Re: air-con stays on
Posted: Fri May 18, 2012 1:56 am 
Getting Side Ways
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does it do it on all fan settings or just full blast on the fan? if i recall the fan on full blast makes certain settings on the aircon system turn on/off automatically, cant recall what the settings are though.
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 Post subject: Re: air-con stays on
Posted: Wed May 30, 2012 10:31 pm 
Stock as a Rock
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Ride: AUII Futura

Location: melbourne
VIC, Australia

{USERNAME} wrote:
Disconect the switch. It may be stuck in the on position maybe??

i havn't gotten around to tearing apart the dash (if i dont have to), but the switch has a light that turns on when it is pressed and this seems to work

{USERNAME} wrote:
does it do it on all fan settings or just full blast on the fan? if i recall the fan on full blast makes certain settings on the aircon system turn on/off automatically, cant recall what the settings are though.

no it definately does it on any setting... frustrating because i'm using aircon everywhere i go now and have the heater on!
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 Post subject: Re: air-con stays on
Posted: Wed May 30, 2012 10:56 pm 
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could be the AC fan speed controller that sits behind the glove box. I've had this fail on my car, albeit, climate control and not the stock AC system. the result was the fan was on all the time, even when the car was turn off and key not in the ignition.

But as mentioned, remove your glove box, in the intake there should be the ac control board. this could be stuffed or blocked with leaves.

Worth a look, only takes 10 minutes to remove and replace.

 

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