Samsung AC026NNNDKH Service Manual page 3

4-4-2 Outdoor temperature sensor error ............................................................................................4-25
4-4-3 Outdoor Coil temperature sensor error ..................................................................................4-27
4-4-4 Outdoor Discharge temperature sensor error .......................................................................4-29
4-4-5 Outdoor Discharge over temperature error ...........................................................................4-31
4-4-6 Outdoor Fan motor error ................................................................................................................4-32
4-4-7 Compressor starting error ..............................................................................................................4-33
4-4-8 Compressor wire missing error/rotation error .......................................................................4-34
4-4-9 O.C(Over Current) error ...................................................................................................................4-35
4-4-10 DC_link voltage sensor error.......................................................................................................4-36
4-4-11 DC_link voltage under/over error,
Over voltage protection error/PFC over load ......................................................................4-37
4-4-12 DC_link voltage sensor error.......................................................................................................4-38
4-4-13 Current sensor error/Input current sensor error .................................................................4-39
4-4-14 Heatsink sensor error/Heatsink over heat .............................................................................4-40
4-4-15 Comp Vlimit error/Comp current limit error ........................................................................4-41
4-4-16 EEPROM error/OTP error ...............................................................................................................4-42
4-4-17 AC zero cross signal error .............................................................................................................4-43
4-4-18 Operation condition secession error .......................................................................................4-44
4-4-19 Capacity miss match error ...........................................................................................................4-45
4-4-20 Gas leak error .....................................................................................................................................4-46
4-4-21 MDS Error Flow chart .....................................................................................................................4-47
5. PCB Diagram ................................................................................................ 5-1
5-1 Indoor Unit ........................................................................................................................................................... 5-1
5-1-1 MAIN PBA ................................................................................................................................................ 5-1
5-1-2 Display PBA ............................................................................................................................................. 5-3
5-2 Outdoor Unit ....................................................................................................................................................... 5-4
5-2-1 MAIN PBA ................................................................................................................................................ 5-4
5-2-2 Display PBA ............................................................................................................................................. 5-6
6. Wiring Diagram ........................................................................................... 6-1
6-1 Indoor Unit ........................................................................................................................................................... 6-1
6-2 Outdoor Unit ....................................................................................................................................................... 6-2
7. Preference Sheet ......................................................................................... 7-1
7-1 Index of Model Name ...................................................................................................................................... 7-1
7-2 Refrigerating Cycle Diagram ........................................................................................................................ 7-3
7-3 Pressure Graph ................................................................................................................................................... 7-4
Samsung Electronics 3