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    ronald osowski's Avatar
    ronald osowski Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jan 17, 2009, 03:08 AM
    Furnace stage 2 issue
    I have a Carrier 2 stage ,Hi efficiency furnace, about 10 yrs. Old. Works fine, until stage 2 of the blower kicks in. Then it always kills !
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 17, 2009, 04:01 AM
    Exact model number?
    ronald osowski's Avatar
    ronald osowski Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Jan 17, 2009, 10:43 PM
    Carrier # 58MVP
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Jan 17, 2009, 11:00 PM
    Here is your manual

    http://www.xpedio.carrier.com/idc/gr.../58mvb-1pd.pdf

    I would be looking at the pressure switches. I believe that one is for the first stage and the other for the second stage.

    This is one of Carriers most complex units so I suggest getting a service man who is familiar with this product to do a On Site Service call to get it squared away. That is all I have on this unit.
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