Air Conditioning - Humming noise from transformer?
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robhall29406
05-06-06, 09:45 AM
Hi, i have a coleman unit inside 6 years old, and what looks to the transformer is humming very loudly ? ac works fine, also it has a delux air blend , #7681/8171 and the red light is flashing, i did have a new outside unit installed ,any ideas on both problems, thanks in advance