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Author Topic: Air Con question  (Read 3361 times)

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Proz

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Re: Air Con question
« Reply #15 on: 16 January 2010, 21:37:03 »
If ECO is displayed on the digital display on the facelift cc panel ac is OFF  .....  pressing ECO again turns ac ON ... if ECO is NOT displayed on the facelift climate control panel then ac is ON  ..... i knew i wasnt explaining this properly  :-?.... when air conditioning is turned on the fan in front of the radiator no longer runs like it used to do when i used it in the summer ..... is this just because it is below the point in the manual that the ac cooling compressor turns off
Taken from the manual ... VAUXHALL OMEGA 2002 ......

Operation with the cooling unit is only
possible at temperatures above approx.
5 °C. Below this temperature the cooling
unit (cooling compressor) switches off
automatically.

Does this explain why my ac seems to be not working and my windows were steaming up ......
I dont know how else to explain it better ....
ECO in display =ac OFF
ECO NOT in display = ac ON

I thought i could still use the ac to de-humidify the incoming air to stop the steam up problem or does the air conditioning just cut off completely below 5 degrees as the manual says  :-/ :-/ :-/
« Last Edit: 16 January 2010, 23:54:50 by Mark38 »
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PhilRich

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Re: Air Con question
« Reply #16 on: 16 January 2010, 22:05:26 »
Proz, I know you must be pretty cheesed off by now, but try all the relays in the large box on top of the battery & check they are all fitted tightly, also the connectors to both fans. Also do a search for 'fan test' in the forum search facility (this is for 6 cyl cars with  fans but should still be ok for 4 cyl models) HTH :y
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Entwood

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Re: Air Con question
« Reply #17 on: 16 January 2010, 22:09:39 »
Proz ... relay locations shown in this thread ..  .. :)

http://www.omegaowners.com/forum/YaBB.pl?num=1176542235
« Last Edit: 16 January 2010, 22:10:47 by entwood »
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Proz

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Re: Air Con question
« Reply #18 on: 16 January 2010, 23:37:18 »
Quote
Proz, I know you must be pretty cheesed off by now, but try all the relays in the large box on top of the battery & check they are all fitted tightly, also the connectors to both fans. Also do a search for 'fan test' in the forum search facility (this is for 6 cyl cars with  fans but should still be ok for 4 cyl models) HTH :y

It would appear that no-one seems to understand what im talking about so yes im getting a little frustrated  ;D ;D .....  :-/ :-/
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Re: Air Con question
« Reply #19 on: 16 January 2010, 23:40:33 »
Quote
Quote
Proz, I know you must be pretty cheesed off by now, but try all the relays in the large box on top of the battery & check they are all fitted tightly, also the connectors to both fans. Also do a search for 'fan test' in the forum search facility (this is for 6 cyl cars with  fans but should still be ok for 4 cyl models) HTH :y

It would appear that no-one seems to understand what im talking about so yes im getting a little frustrated  ;D ;D .....  :-/ :-/


If I understand you correctly ...  when you have the air con running in Auto (not OFF or ECO), the fan no longer turns ... like it used to ( and should AFAIK !!).

You wish to know if this is temp related thing you've read about, or a problem with the electrics ...  :)

Hows that ? ..   :)
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Proz

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Re: Air Con question
« Reply #20 on: 16 January 2010, 23:44:18 »
Quote
Quote
Quote
Proz, I know you must be pretty cheesed off by now, but try all the relays in the large box on top of the battery & check they are all fitted tightly, also the connectors to both fans. Also do a search for 'fan test' in the forum search facility (this is for 6 cyl cars with  fans but should still be ok for 4 cyl models) HTH :y

It would appear that no-one seems to understand what im talking about so yes im getting a little frustrated  ;D ;D .....  :-/ :-/


If I understand you correctly ...  when you have the air con running in Auto (not OFF or ECO), the fan no longer turns ... like it used to ( and should AFAIK !!).

You wish to know if this is temp related thing you've read about, or a problem with the electrics ...  :)

Hows that ? ..   :)

Yep thats the one  ;D ;D ;D ..... is the fan at the front only needed for cooling such as when in summer and therefor doesnt run if like the manual says its below 5 degrees outside .. i used to hear a slight change in engine noise and could hear the fan run when ac turned on ... now it doesnt seem to do anything so i dont know if ac is working or not  :y
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Proz

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Re: Air Con question
« Reply #21 on: 17 January 2010, 13:17:06 »
Been playing with my diagnostic toy today as was too dark last night .... here is what it says , looks ok to my untrained eye  :-/

"My Naff Code Reader" 090821d - PC based diagnostic tool                                    
                                    
Date and time>      17/01/2010. 12:5928                              
                                    
Workshop information:                                    
                                    
Proz's Omega                                     
                                    
                                    
Selected model>      2003      Omega-B      Body      Electronic Climate Control            
                                    
Control Unit:                                     
                                    
KW82 protocol initialized.                                    
                                    
ECU ID=  24449468      2800      4001      0      
$)      4      2
                                    
Part Number:  24449468                                    
Code Index: 004                                    
Code Version: 2                                    
Production Date: 0000                                    
                                    
Measuring blocks information:                                    
                                    
Identifier      0                              
Battery Voltage      13.7 V                              
Ignition Status      Active                              
Auto Switch      Inactive                              
Blower Increment Switch      Inactive                              
Blower Decrement Switch      Inactive                              
Air Distribution Front Switch      Inactive                              
Air Distribution Interior Switch      Inactive                              
Air Distribution Floor Switch      Inactive                              
Air Circulation Switch      Inactive                              
ECO Switch (Economy)      Inactive                              
Off Switch      Inactive                              
Defrost Switch      Inactive                              
Rear Window Heating Switch      Inactive                              
A/C Request      Off                              
Defrost Mode      Inactive                              
Auto Mode      Active                              
Auto Blower Mode      Active                              
Auto Air Circulation Mode      Inactive                              
ECO Mode      Active                              
Off Mode      Inactive                              
Manual Air Distribution Front      Inactive                              
Manual Air Distribution Interior      Inactive                              
Manual Air Distribution Floor      Inactive                              
Manual Air Circulation      Inactive                              
Water Valve      Closed                              
Air Circulation Valve      Inactive                              
Compartment Temperature      18 °C                              
Outside Temperature      7 °C                              
Solar Sensor Element Right      0 W/m2                              
Solar Sensor Element Left      0 W/m2                              
Calculated Sun Load      0 W/m2                              
Nominal Right Temperature      24 °C                              
Nominal Left Temperature      24 °C                              
Outlet Temperature Floor Left      46 °C                              
Outlet Temperature Floor Right      46 °C                              
Outlet Temperature Vent Left      46 °C                              
Outlet Temperature Vent Right      46 °C                              
Heatable Rear Window      Inactive                              
Feedback Heatable Rear Window      Inactive                              
Vehicle Speed      0 km/h                              
Engine Running Signal      22 Hz                              
Blower Level      1                              
Blower Feedback      0.39 V                              
Blower Control Voltage      1.56 V                              
Blower Motor      Active                              
Dimmer Level      100%                              
Parking Heater      Inactive                              
A/C Cutoff Mode      Active      is this the important one ?                              
Left Blending Flap Position      78%                              
Right Blending Flap Position      77%                              
Interior Flap Position      0%                              
Floor Flap Position      100%                              
Defrost Flap Position      29%                              
Left Blending Flap Motor      Inactive                              
Right Blending Flap Motor      Inactive                              
Interior Flap Motor      Inactive                              
Floor Flap Motor      Inactive                              
Defrost Flap Motor      Inactive                              
« Last Edit: 17 January 2010, 13:19:10 by Mark38 »
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Proz

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Re: Air Con question
« Reply #22 on: 19 January 2010, 14:46:15 »
Mmm ... temperature outside yesterday was 6 degrees outside and still the ac fan in front of the radiator wouldnt run , i know its still near the claimed 5 degrees cut of stated in the manual ... the engine bay fuses look fine to me but is there any to check in the cabin fuse box ... there are so many  ;D
« Last Edit: 19 January 2010, 14:46:35 by Mark38 »
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Re: Air Con question
« Reply #23 on: 19 January 2010, 14:53:04 »
Sounds like an AC fault but....below 4degC and you dont need aircon to dry the air as its already very dry.

When it happens again...cycle through the re-circ options to reset the recirc valves (with it finishing off as auto re-circ)
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Re: Air Con question
« Reply #24 on: 19 January 2010, 14:57:18 »
Quote
Sounds like an AC fault but....below 4degC and you dont need aircon to dry the air as its already very dry.

When it happens again...cycle through the re-circ options to reset the recirc valves (with it finishing off as auto re-circ)

Ok thanks i will do .... i think i'll take it to Halfrauds and get there free A/C check thing done .... i do have a Haynes manual somewhere for the fuse numbers etc but i cant find the stupid thing  ::)
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Re: Air Con question
« Reply #25 on: 20 January 2010, 17:45:30 »
ok, I had this problem and when I visited the stealers they said that in inclement weather and sub zero tempratures you need to set the Aircon on and press the recirculation button twice so the letter 'A' appears in the centre of the recirulation icon on the display, apparently doing this causes the air to be de-humidified even though the aircon system would not normally start this is an overide, thus meaning no steamed up windows, I thought the were speaking bull, but it worked !!!

Regards  steve
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Re: Air Con question
« Reply #26 on: 20 January 2010, 18:05:39 »
Quote
ok, I had this problem and when I visited the stealers they said that in inclement weather and sub zero tempratures you need to set the Aircon on and press the recirculation button twice so the letter 'A' appears in the centre of the recirulation icon on the display, apparently doing this causes the air to be de-humidified even though the aircon system would not normally start this is an overide, thus meaning no steamed up windows, I thought the were speaking bull, but it worked !!!

Regards  steve

I'll give that a go .... thanks  :y
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