DIY Home Repair Forum: HVAC
12-05-2009, 08:06 AM
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Replies: 11
Views: 26,010
I just had this. It was dirty filters. I...
I just had this. It was dirty filters. I replaced them. Very easy. My filters are directly above the heating chamber, so it was getting too hot, and tripping the high limit switch (4 blinks is...
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