Working om this sxs refr. Display shows freezer temp 80*f actual temp 76*F and 57*F on refrigerator actual temp 42*F . unplug and plug the unit no change same temp. Ran diagnostic test using fast track. Digital display screen went blank by pressing power freeze and power fridge but did'nt do anything when freezer temp. button pressed no fault code was shown.check voltage on pcb board 5-11 compressor and dispensor heater 122 volts 5-11. 1-11water tank 122 volts. 9-7 R def/ice pipe htr 0 volts. 13-7F def. htr 0 volts.
FANS/: F_FAN (9 VDC) R_FAN (9 VDC). C_FAN (9 VDC) Fan control for freezer, fridge and condensor 2.3 vdc no frost on freezer and fridge. do yoy it's low on freon or pc board is bad/