Control Board 5304470987

Remove power cord from receptacle, remove filter, two phillips screws to remove at each side ( located where filter slides into), from the top of unit slide your hands down 2/3 on each side press in on metal cabinet while pulling out on plastic face/cover, lift up facial cover ( I bump across on top of metal sleeve unit to dislodge top of ... Read more facial cover from metal sleeve), disconnect wiring connector, remove 4 screws holding plastic cover and pc board, remove old pc board, clean plastic cover, install new board and plastic cover, install 4 screws, re-connect wiring, place wiring connector as well as wiring excess back inside unit, start at top and align facial cover, slide cover into place, bump cover in position on metal sleeve at sides and bottom, re-install 2 screws, re-install filter, re-attach power cord to receptacle. If unit has toggled to celsius, hold temperature up and down buttons together for 3 seconds, unit will toggle to fahrenheit.