replaced main control board and evap. fan motor and checks ok

unit has a sealed system problem and it's 22 years old NO FIX

"F-11 (Serial Communication Error) displaying within less than two minutes into cycle. Inspection conducted finding a short of the MCU printed circuit board. Unable to conduct full operational testing due to primary component failure. Additional component failures may exist. New MCU needed to correct primary failure found. Quote listed is for estimate only. No parts to be ordered without customers prior authorization.

Checked unit unit is cooling correctly and running correctly job complete

"Found control not operating, removed console and cleaned ribbon cable with an eraser. Re secured cable and turned power on. Control is now operational. All ops ok."