Operating Instructions and Installation2 Samsung ElectronicsContents4-3-16 When the Up/Down Louver Motor Does Not Operate. (Initial Diagnosis) (Not displayed) ..... 4-224-3-17 When the remote control is not receiving ....................................................................... 4-234-3-18 The others ............................................................................................................................... 4-234-4 PCB Inspection Method .................................................................................................................. 4-244-4-1 Pre-inspection Notices............................................................................................................................. 4-244-4-2 Inspection Procedure ............................................................................................................................... 4-244-4-3 Indoor Detailed Inspection Procedure ............................................................................................. 4-244-4-4 Outdoor Detailed Inspection Procedure ........................................................................................ 4-254-5 Main Part Inspection Method ........................................................................................................ 4-2615. Exploded Views and Parts List ............................................................................................. 5-15-1 Indoor Unit ......................................................................................................................................... 5-15-2 Outdoor Unit ..................................................................................................................................... 5-316. PCB Diagram and Parts List ................................................................................................... 6-16-1. Block Diagram .................................................................................................................................. 6-16-1-1. Indoor MAIN PCB ...................................................................................................................................... 6-16-1-2. Indoor MODULE PCB ............................................................................................................................... 6-26-1-3. Indoor DISPLAY PCB ................................................................................................................................ 6-26-1-4. Outdoor MAIN PCB .................................................................................................................................. 6-36-1-5. Outdoor EMI PCB ...................................................................................................................................... 6-46-2. Electrical Parts List ........................................................................................................................... 6-517. Wiring Diagram .............................................................................................................................. 7-118. Schematic Diagram ...................................................................................................................... 8-18-1.PCB Circuit Description .................................................................................................................... 8-18-1-1.Indoor Unit.................................................................................................................................................... 8-18-1-2.Display ............................................................................................................................................................ 8-38-2 Outdoor Unit .................................................................................................................................... 8-58-2-1.EMI.................................................................................................................................................................... 8-719. Reference Sheet .............................................................................................................................. 9-19-1 Refrigerating Cycle Diagram .......................................................................................................... 9-19-2 Index for Model Name ..................................................................................................................... 9-29-3 Distribution chart of the Pressure ................................................................................................. 9-3