Installed damper and tested in service mode. Damper cycling with no noise. Unit runs to specs.

"Cx concerns are error codes 4c and PC. I checked water valve for sediment, cx has well water, no sediment. Motor for pc error checked good.

"Replaced ui board. Unit is now having selector led lights matching up with selection. No further issues, unit working to factory spec."

"I confirmed diagnosis for control board and replaced, and I tested unit in diagnostic mode and unit tested ok to factory specs and also adjusted bail arm on ice maker"

Cx complaint moisture buildup inside freezer gasket / ice maker keeps making ice and overflowing and also shelf on inside is warped shelf is warped and needs to be replaced / also ice maker / no other defects found / ; ordrng 1 WR30X39385 (Ice maker) and 1 WR71X29580 (Left shelf)