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SiEN18-622
Troubleshooting for Outdoor Unit
Troubleshooting
367
Troubleshooting
(V
3
067)
1 - 6
2 - 6
3
- 6
4 - 6
Me
asu
ring point
s
(Or
a
nge) 1
(Red) 2
(Yellow)
3
(Bl
a
ck) 4
5
(Gr
a
y) 6
(V
3
067)
YE
S
Caution
NO
NO
NO
NO
YE
S
YE
S
YE
S
Be
su
re to t
u
rn off power
s
witch
b
efore connect or di
s
connect connector,
or p
a
rt
s
d
a
m
a
ge m
a
y
b
e occ
u
rred.
T
u
rn power
su
pply off,
a
nd
t
u
rn power
su
pply on
a
g
a
in.
Ret
u
rn to norm
a
l?
Electronic
exp
a
n
s
ion v
a
lve i
s
connected to X21A
a
nd
X22A of o
u
tdoor
u
nit
PC
b
o
a
rd
(A1P).
Norm
a
l
when coil
check (
*
1) of the moving
p
a
rt of the electronic
exp
a
n
s
ion v
a
lve i
s
checked.
The connecting
c
ab
le i
s s
hort-circ
u
ited
or di
s
connected.
Extern
a
l f
a
ctor other th
a
n
m
a
lf
u
nction (for ex
a
mple,
noi
s
e etc.).
After connecting, t
u
rn the
power off
a
nd then
ba
ck on
a
g
a
in.
Repl
a
ce the moving p
a
rt of
the electronic exp
a
n
s
ion
v
a
lve.
Repl
a
ce the connecting c
ab
le.
Repl
a
ce o
u
tdoor
u
nit PC
b
o
a
rd (A1P).
*
M
a
ke me
asu
rement of re
s
i
s
t
a
nce
b
etween the connector pin
s
,
a
nd
then m
a
ke
su
re the re
s
i
s
t
a
nce
f
a
ll
s
in the r
a
nge of 40 tot 50
Ω
.
Summary of Contents for FTKS50BVMB
Page 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump ...
Page 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit ...
Page 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function ...
Page 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300 ...
Page 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting ...
Page 446: ...Wiring Diagrams SiEN18 622 434 Appendix ...
Page 452: ...SiEN18 622 vi Index ...