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Hello, does the system run in cooling mode currently, or are both heating and cooling not working.
I need the full model number of the heat pump in order to pull the service manual on the unit.
a photo of the units wiring diagram glued to the inside of the blower access panel will help as well....photo needs to be taken up close and exceedingly well focused. Use the attach files link to the left of your send button to attach the photo.
We can go from there.