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SiEN18-622
Troubleshooting for Outdoor Unit
Troubleshooting
369
7.8
Refrigerant Overcharged
Remote Control
Display
F6
Applicable
Models
All outdoor unit models
Method of
Malfunction
Detection
Excessive charging of refrigerant is detected by using the heat exchanging deicer temperature
during a check operation.
Malfunction
Decision
Conditions
When the amount of refrigerant, which is calculated by using the heat exchanging deicer
temperature during a check run, exceeds the standard.
Supposed
Causes
Refrigerant overcharge
Misalignment of the thermistor for heat exchanger
Defect of the thermistor for heat exchanger
Troubleshooting
∗
Refer to “Thermistor Resistance / Temperature Characteristics” table on P407.
(V2797)
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.
YE
S
NO
NO
YE
S
Check the mo
u
nting condition
of the temper
a
t
u
re
s
en
s
or
s
of the he
a
t exch
a
nging deicer
thermi
s
tor in the piping.
Are the
ab
ove
thermi
s
tor in
s
t
a
lled on
pipe
s
correctly?
Remove the he
a
t exch
a
nging
deicer thermi
s
tor from the
o
u
tdoor PCB
a
nd me
asu
re
re
s
i
s
t
a
nce with
a
te
s
ter.
I
s
the ch
a
r
a
cteri
s
tic
of the
ab
ove
thermi
s
tor norm
a
l?
In
s
t
a
ll thermi
s
tor correctly.
Repl
a
ce thermi
s
tor.
Refriger
a
nt overch
a
rged.
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 ...