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Troubleshooting for SkyAir Indoor Unit
SiEN18-622
346
Troubleshooting
5.11 Malfunction of Remote Control Thermistor
Remote Control
Display
CJ
Applicable
Models
FFQ, FCQ, FBQ, FHQ
Method of
Malfunction
Detection
Even if remote control thermistor is faulty, system is possible to operate by system thermistor.
Malfunction detection is carried out by temperature detected by remote control thermistor.
Malfunction
Decision
Conditions
When the remote control thermistor becomes disconnected or shorted while the unit is running.
Supposed
Causes
Failure of sensor itself
Broken wire
Troubleshooting
Check No.02
Refer to P.351
NO
YE
S
(Q0419)
T
u
rn the power
su
pply
off once
a
nd then
ba
ck on
I
s
CJ
di
s
pl
a
yed on
the remote
control?
Repl
a
ce remote control.
Co
u
ld
b
e o
u
t
s
ide c
aus
e
(noi
s
e,etc.) other th
a
n
m
a
lf
u
nction
Caution
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.
H
S
ee
Check No. 02
for
“
Thermi
s
tor temper
a
t
u
re
a
nd re
s
i
s
t
a
nce ch
a
r
a
cteri
s
tic
s”
.
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 ...