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Topic: climate control problems (Read 822 times) |
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youmitegetian
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climate control problems
« on: Dec 21st, 2006, 9:55pm » |
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Can anyone give me an idea as to what mite be wrong with my climate control please? it was working fine but has since developed some faults, when the car has warmed up it always blows out hot air regardless of what the temperature is set at and also the recycled air and air conditioning buttons dont appear to work anymore. I've tried resetting it but cant get it to display the oo mode, ie when i hold the 2 buttons in for 10 seconds nothing happens. 
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Paul B
Senior Member
'98 24V Ultima saloon
Posts: 2442
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Re: climate control problems
« Reply #1 on: Dec 21st, 2006, 9:59pm » |
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Could be a faulty switch panel 
There's plenty of breakers about so you might find one ok (they're expensive to buy new)
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Two hundred & seven horses and only one jockey!
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youmitegetian
Junior Member
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Re: climate control problems
« Reply #2 on: Dec 21st, 2006, 10:04pm » |
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could be i guess, the temperatures on the lcds go up and down ok and the fan and direction swithches work fine too
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Paul B
Senior Member
'98 24V Ultima saloon
Posts: 2442
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Re: climate control problems
« Reply #3 on: Dec 21st, 2006, 10:11pm » |
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Sorry, I misunderstood. Thought you meant the LCD bits weren't working at all.
You read this?...www.fordscorpio.co.uk/aircon
It might give a starting point
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Two hundred & seven horses and only one jockey!
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youmitegetian
Junior Member
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Re: climate control problems
« Reply #4 on: Dec 21st, 2006, 10:21pm » |
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yeah read that but only really tells how it works, and the reset method that it links too doesn't work, or at least i cant get to the mode settings in the first place.
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Jim
Full Member
1996 2.3 115k and rising
Posts: 121
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Re: climate control problems
« Reply #5 on: Dec 22nd, 2006, 12:31am » |
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It does tend to look like the control unit which is on the other end of the ribbon cable behind the switch panel but the majic 'disconect battery for ten minutes' cures many problems. Remember radio codes first though.
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Jim
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: climate control problems
« Reply #6 on: Dec 22nd, 2006, 3:02am » |
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Could be a sensor problem....
Outside temp sensor? (on evaporator)
Inside car temp sensor? (small grill on control panel)
I think Jim means the Semi Automatic Temperature Control unit (SATC)......it's a possibility 
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youmitegetian
Junior Member
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Re: climate control problems
« Reply #7 on: Dec 22nd, 2006, 7:50am » |
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would it not show an error code if it was a sensor fault??
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: climate control problems
« Reply #8 on: Dec 23rd, 2006, 8:53pm » |
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Have you checked to see that the ribbon cable multiplug that goes into the back of the control panel is sitting tightly & that both side clamps are properly in place.
A loose multiplug can cause these problems
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youmitegetian
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Re: climate control problems
« Reply #9 on: Dec 23rd, 2006, 9:06pm » |
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Haven't checked that, is it easy to get the front panel off?? did disconnect the battery but that has made no difference at all.
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Paul B
Senior Member
'98 24V Ultima saloon
Posts: 2442
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Re: climate control problems
« Reply #10 on: Dec 23rd, 2006, 9:15pm » |
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on Dec 23rd, 2006, 9:06pm, youmitegetian wrote:| Haven't checked that, is it easy to get the front panel off?? |
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No, not really. Its a bit of a pig on your first go. You have to be quite careful.
Back to the main site again... CLICK HERE
Part way down the page is a description for removing the heater panel (high series vehicles)
That will give you some clues.
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Two hundred & seven horses and only one jockey!
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youmitegetian
Junior Member
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Posts: 70
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Re: climate control problems
« Reply #11 on: Dec 23rd, 2006, 9:22pm » |
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Ok cheers, looks like a job for tomorrow.
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: climate control problems
« Reply #12 on: Dec 24th, 2006, 12:38am » |
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Hmmm...if you haven't taken the control panel off already, then it is unlikely that the multiplug would have come loose........unless a previous owner had a go at it? 
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youmitegetian
Junior Member
I'm a YaBB newbie!
Posts: 70
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Re: climate control problems
« Reply #13 on: Dec 24th, 2006, 10:01am » |
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could it be a fuse or relay?? have had the usual fuse box prolems recently which led to the auxillery fuse box needing some work.
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youmitegetian
Junior Member
I'm a YaBB newbie!
Posts: 70
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Re: climate control problems
« Reply #14 on: Jan 7th, 2007, 5:11pm » |
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Finally got it sorted, first prize goes to Jim who was correct  , the control unit was at fault, took a while to get the unit swapped over but at last i have climate.
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