TroubleshootingSamsung Electronics 67͑͑غ AM080/100/120/200FXWANR*, AM300KXWANR* / AM072/096/120/192HXWAF(J)R*,AM240KXWAF(J)R*ـ Key input of the outdoor unit when the service enters the operation mode.K1 (Number of press) Key operation Display on segmentPress and hold 1 time Auto trial operation K, 1, BLANK, BLANK1 time Refrigerant charging in Heating mode K, 1, BLANK, BLANK2 times Trial operation in Heating mode K, 2, BLANK, BLANK3 times Pump out in Heating mode (Outdoor unit address 1) K, 3, BLANK, 14 times Pump out in Heating mode (Outdoor unit address 2) K, 3, BLANK, 25 times Pump out in Heating mode (Outdoor unit address 3) K, 3, BLANK, 36 times Pump out in Heating mode (Outdoor unit address 4) K, 3, BLANK, 47 times Vacuumig (Outdoor unit address 1) K, 4, BLANK, 18 times Vacuumig (Outdoor unit address 2) K, 4, BLANK, 29 times Vacuumig (Outdoor unit address 3) K, 4, BLANK, 310 times Vacuumig (Outdoor unit address 4) K, 4, BLANK, 411 times Vacuuming (All outdoor units) K, 4, BLANK, A12 times End Key operation -K2 (Number of press) Key operation Display on segment1 time Refrigerant charging in Cooling mode K - 5 - BLANK - BLANK2 times Trial operation in Cooling mode K - 6 - BLANK - BLANK3 times Pump down all units in Cooling mode K - 7 - BLANK - BLANK4 times HR: Pipe connection inspectionH/P: Auto trial operation K - 8 - BLANK - BLANK5 times Checking the amount of refrigerantK - 9 - X - X(Display of last two digits may differdepending on the status)6 times Discharge mode of DC link voltage K - A - BLANK - BLANK7 times Forced oil collection K - C - BLANK - BLANK8 times Inspect inverter compressor 1 K - D - BLANK - BLANK9 times Inspect inverter compressor 2 K - E - BLANK - BLANK10 times Water pipe valve/Pump check K - F - BLANK - BLANK4-2 Service Operation4-2-1 Special OperationB TypeA Type