Question about Heating & Cooling
Why does my ac freeze up no matter what temp it is set on?
Air conditioners freeze up for one of 2 reasons, #1 restricted air flow, is the filter, /orthe evaporator (cool) coil clean?
#2 it is low on freon, causing the coils to be colder than they should be.
Posted on Nov 13, 2007
Well there are a couple of other reasons for a "freezing" a/c unit, and that would be intermittent indoor blower motor failure, which is in a way could be considered restricted air flow.
Posted on Jan 28, 2008
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Posted on Jan 02, 2017
SOURCE: ac unit only blows out
This sounds like a split system and not a window unit ? First check the outside unit known as the condenser and make sure it is running correctly by --- Check that fan is running on outdoor unit and listen to see if the compressor is running. If neither of these are running then it can be a loss of control voltage to the contactor, bad contactor or even bad capacitor. If nothing is running then turn off the power by using diconnect next to unit....then remove the side or corner panel that has access to the control compartment . Visually check that the contactor is pulled in so that the center section is pulled in to make a complete contact across the terminals for power to flow... look at capacitor and see if it is swollen on the top and if it is swollen then it must be replaced with exact matching numbers from an electrical parts or motor dealer. If everything still looks ok then you will need to contact a local company to troubleshoot the unit further.
Posted on Sep 01, 2010
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