Samsung AC052MN4DKH Service Manual page 3

Section 0
Contents
4-3-10 Communication error between outdoor unit INV
4-3-11 Outdoor sensor error(Error Code : E221, E231, E251, E320) ................................................ 4-31
4-3-12 Reverse phase / Loss phase detection (3-phase outdoor unit) (Error Code : E425 ).. 4-32
4-3-13 Compressor down due to freezing control (Error Code : E403) ......................................... 4-33
4-3-14 Outdoor unit Fan error (Error Code : E458, E475) .................................................................... 4-34
4-3-15 Compressor starting error / rotation error (Error Code : E461, E467) .............................. 4-35
4-3-16 Full current error / PFC over-current error (Error Code : E462, E484)............................... 4-37
4-3-17 IPM IPM (Over Current) error (Error Code : E464) ..................................................................... 4-38
4-3-18 DC LINK over-current / low-voltage error (Error Code : E466)
H/W DC_Link Over Voltage Error (Error Code : E483)
AC Input Voltage Sensor Error (Error Code : E488 .................................................................... 4-41
4-3-19 Gas leakage error(Error Code : E554) ............................................................................................ 4-42
4-3-20 Pipe blockage error(Error Code : E422) ........................................................................................ 4-44
4-3-21 Smart install mode was not carried out (Error Code : E508 )............................................... 4-45
4-3-22 Others ........................................................................................................................................................ 4-47
5. PCB Diagram and Parts List.............................................................................. 5-1
5-1 Indoor Unit .............................................................................................................................................................
5-1-1 MAIN PCB ....................................................................................................................................................
5-1-2 Panel PCB ....................................................................................................................................................
5-2 Outdoor Unit .........................................................................................................................................................
5-2-1 MAIN PCB ....................................................................................................................................................
5-2-2 INVERTER PCB ...........................................................................................................................................
5-2-3 EMI PCB........................................................................................................................................................
5-2-4 Heater PCB ................................................................................................................................................. 5-10
6. Wiring Diagram ................................................................................................. 6-1
6-1 Indoor Unit .............................................................................................................................................................
6-2 Outdoor Unit .........................................................................................................................................................
7. Reference Sheet ................................................................................................ 7-1
7-1 Index for Model Name ......................................................................................................................................
7-1-1 Indoor Unit .................................................................................................................................................
7-1-2 Outdoor Unit .............................................................................................................................................
7-1-3 Panel .............................................................................................................................................................
7-2 Refrigerating Cycle Diagram ..........................................................................................................................
2
MAIN MICOM (1 min.)(Error Code: E203).................................................................................... 4-30
5-1
5-1
5-3
5-4
5-4
5-5
5-8
6-1
6-2
7-1
7-1
7-2
7-3
7-4
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