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air recirculator not working

Old Jun 2, 2007 | 02:42 PM
  #1  
stubbsy's Avatar
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Default air recirculator not working

i have a 1996 c200 the problem is the lights on the heater control keep flashing and if i try and turn on the a/r the red light keeps flashing. also if i dim the dash lights the miliage light and the time light flash at the same time. any help would be brill
 
Old Jun 5, 2007 | 05:45 AM
  #2  
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Default RE: air recirculator not working

The Heat/AC light(s) flashing is informing of a problem with HVAC system. Diagnostic codes can be read from the HVAC control panel that are quite good and can isolate just about any Heat or A/C problem. Do a diagnostic check of this system first.
Bill
 
Old Jun 5, 2007 | 04:15 PM
  #3  
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Default RE: air recirculator not working

would that be the reason why the heat won,t turn off
 
Old Jun 5, 2007 | 07:35 PM
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Default RE: air recirculator not working

Probably not. Heat not turning off could also mean, A/C not turning on. If the A/C compressor is correctly engaged (always on these cars, well mostly all the time), and you still have huge overheat, it could be the Mono/Duo valves. The control panel as last option. The valvesdo go bad as they work very hard all the time. They are expensive (several hundred dollars each). Use the diagnostics on the control panel to point you in the right path for repairs.
Bill.
 
Old Jun 7, 2007 | 04:11 PM
  #5  
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Default RE: air recirculator not working

silly question is there anyway i could run a test at home and if so could you please tell me how thankx
 
Old Jun 8, 2008 | 01:06 PM
  #6  
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Default RE: air recirculator not working

got it sorted it was a dry solder joint inside the control board. i can turn the heat off now thanks
 
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