Can you guys listen to your AC when running, I'm hearing a high pitched sound like a spinning bearing, almost a constant cricket like sound. Front unit did it from start now back unit is doing it, driving me nuts!
Do you have all the dump vents open fully or are you using the ceiling duct system?
You want us to help but we have no idea and just guessing.
Have you found the sound on both units yet and what's causing it.
Happy campers :-)
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