SiEN18-622
Troubleshooting for Outdoor Unit
Troubleshooting
397
Troubleshooting
Caution
(V2
8
26)
NO
NO
YE
S
YE
S
NO
NO
YE
S
YE
S
NO
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.
"U9"h
as
b
een di
s
pl
a
yed for 2
min
u
te
s
or more.
T
u
rn on
a
ll indoor
u
nit
s
.
The "UA"
di
s
pl
a
y
b
link
s
on the
remote control
s
of other
u
nit
s
within the
sa
me
refriger
a
nt
s
y
s
tem.
The "A1"
di
s
pl
a
y
b
link
s
onthe
remote control
s
of other
u
nit
s
within the
sa
me refriger
a
nt
s
y
s
tem.
The "A9"
di
s
pl
a
y
b
link
s
on the
remote control
s
of other
u
nit
s
within the
sa
me refriger
a
nt
s
y
s
tem.
The "U4"
di
s
pl
a
y
b
link
s
on the
remote control
s
of other
u
nit
s
within the
sa
me refriger
a
nt
s
y
s
tem.
Re-di
a
gno
s
e
b
y di
s
pl
a
y
a
fter
p
assa
ge of 2 min
u
te
s
or more.
Refer to f
a
il
u
re di
a
gno
s
i
s
for "UA"
m
a
lf
u
nction code.
Refer to f
a
il
u
re di
a
gno
s
i
s
for "A1"
m
a
lf
u
nction code.
Refer to f
a
il
u
re di
a
gno
s
i
s
for "A9"
m
a
lf
u
nction code.
Refer to f
a
il
u
re di
a
gno
s
i
s
for "U4"
m
a
lf
u
nction code.
Refer to f
a
il
u
re di
a
gno
s
i
s
for "U5"
m
a
lf
u
nction code.
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 ...
