I forgot to say it is not a window unit. It's a whole house unit sitting on a slab.
So far, this is what I've done:
I poured bleach down the drain pvc pipe. Didn't seem to help. I can't find anywhere else to clean. I went to the outside and cleaned out where it drains, but it really wasn't clogged there either.
Where might another drain pipe be, and how would I clean it.
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