DIY Home Improvement, Remodeling & Repair Forum > Appliances > HVAC > Blows cold for 1 min




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Old 05-16-2012, 11:11 PM  
sirwesleyb
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Default Blows cold for 1 min

History: I noticed my ac unit was frozen up super bad. The copper was all frozen around the unit. I had only moved in a month ago and had not yet changed the filter. I changed the filter and the old filter looked like an old rug it was extremely bad. I let the unit thaw out for a day.

So now when i turn my ac on it only blows cold air for about 60 seconds and then stops blowing anything all together. I can tell it is starting to freeze up in the short time that it runs...i think. The fan still works when i have the system set to off and turn the fan to on. But why does it only blow cold for about 60 seconds when I initially turn it on? It stops pulling air all together. I stuck my hand where the filter is and nothing is pulling. Any help would be great. Thanks.



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Old 05-17-2012, 08:12 AM  
kok328
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Sounds like the system is low on freon and the low pressure switch is shutting down the system. You'll need to have the freon level checked.

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