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    racefan1's Avatar
    racefan1 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 12, 2010, 07:30 AM
    Evap coil froze up. Does it mean I am low on charge
    When we got home unit was a block of ice does it mean I am low on charge. Change filter regulary.also also recently it was 85 out and the unit ran constantly and neve got below 79
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #2

    Jun 12, 2010, 07:43 AM
    Not always the answer,, is indoor fan blowing ? Is it blowing at proper speed? Could the evap-coil be in need of cleaning? The HVAC tech you need to come in to look system over should be able to determine
    jdjohn84's Avatar
    jdjohn84 Posts: 14, Reputation: 0
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    #3

    Jun 12, 2010, 08:53 PM

    Let the ice melt, then clean the coil by using a brush attachment on a vacuum. If it freezes again after that, call a tech.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #4

    Jun 13, 2010, 09:30 AM
    The coil needs to be cleaned from the underside,, the inside of the coil you can`t see until the end plate is removed so you can get to and see,, just vaccuming the outside isn`t getting the job done
    jdjohn84's Avatar
    jdjohn84 Posts: 14, Reputation: 0
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    #5

    Jun 13, 2010, 06:39 PM

    For mine I vacuumed the filter-side of the coil. Seems like it would be the dirtiest.
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #6

    Jun 13, 2010, 07:39 PM

    Most of the coils do not need cleaned, if you have a 90% furnace. If the dirt is anywhere it is stuck to the secondary heat ex and the blower will have to be pulled. Most likely you are low on freon.
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