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Ac unit freezing up - Goodman Heating & Cooling

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The most common problems that causes the lines to freeze up are the charge of refrigerant in the system or a restriction in air flow. The charge will have to be checked by a technician with the proper tools, the air flow can be checked yourself though. You will want to check your return air filter to make sure it is clean, then when the unit is NOT froze up, turn the fan on to the furnace and see how much air comes through the vents. If you do not have the same air flow or no air at all, your indoor coil might need to be cleaned or your blower motor isn't coming on, which will usually be a bad capacitor or the motor itself. Hope this steers you in the right direction and good luck!

Posted on Sep 11, 2010

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