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Are you sure the compressor is running? Sometimes its hard to tell. Also could be low on freon

Make sure batteries ar good in thermostat

Looks to me like you need a plumber to come to your house and help sort this out.

One plumber

I would consider leaving the pipe in the wall and slideing 3 in. through it as that is all you need . Cut everything off above and below and just use as a sleeve
One...

I am about to pour a floor in a new home. I installed the shower drain and want to build
A walk-in shower. Can I simply tile over the new floor.