Section 0
2
Sa
m
sung Electronics
Contents
4-3-10
Co
mm
unication error between outdoor unit INV
˩
MAIN MICOM (1
m
in.)
(Error Code: E203) .................................................................................................................................. 4-30
4-3-11
E
x
ternal Sensor Error (Error Code: E221, E231, E251, E320) ................................................. 4-31
4-3-12 Outdoor Unit Fan Error (Error Code: E458, E475) ..................................................................... 4-32
4-3-13 Error of Co
m
pressor Startup and Rotation (Error Code: E461, E467)............................... 4-33
4-3-14 Error of under-current error / PFC over-current (Error Code: E462, E484) ..................... 4-35
4-3-15 IPM Over-current Error (Error Code: E464).................................................................................. 4-36
4-3-16 DC LINK Over-current and Low-voltage Error (Error Code: E466) ..................................... 4-39
4-3-17 Gas Leakage Error (Error Code: E554 ) .......................................................................................... 4-41
4-3-18 Pipe Blocking Error (Error Code: E422) ......................................................................................... 4-43
4-3-19
Other
.......................................................................................................................................................... 4-44
5. PCB Diagra
m
and Parts List.............................................................................. 5-1
5-1 Indoor Unit ............................................................................................................................................................. 5-1
5-1-1 MAIN PCB .................................................................................................................................................... 5-1
5-1-2 Panel PCB .................................................................................................................................................... 5-3
5-2 Outdoor Unit ......................................................................................................................................................... 5-4
5-2-1 MAIN PCB .................................................................................................................................................... 5-4
5-2-2 SUB PCB ....................................................................................................................................................... 5-5
5-2-3
SMPS
............................................................................................................................................................. 5-6
5-2-4 MAIN PCB .................................................................................................................................................... 5-7
5-2-5 INVERTER PCB ........................................................................................................................................... 5-8
5-2-6 EMI PCB........................................................................................................................................................ 5-9
6. Wiring Diagra
m
................................................................................................. 6-1
6-1 Indoor Unit ............................................................................................................................................................. 6-1
6-2 Outdoor Unit ......................................................................................................................................................... 6-2
7. Reference Sheet ................................................................................................ 7-1
7-1
Inde
x
for Model Na
m
e ...................................................................................................................................... 7-1
7-1-1 Indoor Unit ................................................................................................................................................. 7-1
7-1-2 Outdoor Unit ............................................................................................................................................. 7-2
7-1-3
Panel
............................................................................................................................................................. 7-3
7-2 Refrigerating C
y
cle Diagra
m
.......................................................................................................................... 7-4
