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The a/c compressor does not come on - Heating & Cooling

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  • Ken Bledsoe May 11, 2010

    Do you have a volt ohm meter?

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Is this a home unit or an a/c unit in a vehicle?

Posted on Apr 24, 2009

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    How do you get ac compressor out without taking engine out 2006 buick rainier


    COMPRESSOR REPLACEMENT



    REMOVAL PROCEDURE
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    2. Remove the washer solvent container.
    3. Remove the air cleaner resonator outlet duct.
    4. Remove the cooling fan and shroud.
    5. Remove the accessory drive belt from the A/C compressor.

    1. Remove the compressor hose assembly nut from the compressor.
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    1. Remove the upper A/C compressor mounting bracket bolts.
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    4. Disconnect the A/C compressor electrical connector.
    5. Remove the lower A/C compressor mounting bracket bolts (3).
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    Compressor


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    vulcan bonaire comfort control External natural gas electronic ignition 2004. ISSUE: Fan blowing only cool air continuously. Forced to kill power to stop it. model is one of the following. MB514E,20E or 30E. Going by mech drawing parts list. i can confirm what type of sensors i have cleaned with very fine sandpaper. flame sensor PN 5441603SP and IGNITER ELECTRODE PN 5441602SP The fault code i see is described as the following. There are x4 LED's. Sequence Left to Right. LEGEND: 1 Flame Sensor 2 Pressure switch 3 OverTemp 4 Diag. R Red G Green S Solid Colour B Blinking LED Behaviour. In order 2RS & 4GS Until i hear ignition. 2RS & 3RB Duration: split second 2RB,3RS & 4GB Duration: split second 3RS & 4GB Duration: Until it has completed blinking x4 times. 3RS Duration 4 seconds Repeat last two mentioned behaviour. in my own opinion, as a safety feature, the unit thinks that it has overheated or is about to. so kills the gas and force feeding cool air to heating components to save it from frying. Does this mean i have fault 04 if so does this mean i may have a faulty igniter or flame sensor or maybe a faulty as described in the mech drawing SWITCH OVER TEMPERATURE 120 degrees celsius. Am i correct here? Is this the over temperature cut out switch? if no one can really pinpoint which part requires replacement, can you at least, in sequence advise which parts to purchase? so then ill just try my luck. i wonder how to properly test if flame sensor, igniter, over temp etc is faulty with a multimeter. do i just perform a continuity test. I wonder what other parts can i test related to this fault im getting.

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