I have an almost 2 yr old 4 ton, Carrier a/c. Performance Series Fan Coils. After no use for approx 2 weeks, when the a/c is turned on, I get a very bad odor that vanishes in a couple minutes. Opened the unit, there is some standing water in the bottom pan. Also, the galvanized steel (I think) coil end caps are pretty heavily rusted.Any comments?ThanksI couldn't find a category, so choosed "fridge".
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