Juan L Bronx , NY September 04, 2020 Appliance: Model PART NO. AP5270882 MFG PART NUMBER 5304483709 The PC board had gotten wet and needed to be replaced the air conditioner was changing modes and causing a short circuit. Removed the cover. Disconnected the PC board from the main power and replaced the board. Read More... Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Screwdrivers