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Troubleshooting
SiUS091133
115
Service Diagnosis
4.12 OL Activation (Compressor Overload)
Remote
Controller
Display
E5
Method of
Malfunction
Detection
A compressor overload is detected through compressor OL.
Malfunction
Decision
Conditions
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
The operating temperature condition is not specified.
Supposed
Causes
Defective discharge pipe thermistor
Defective electronic expansion valve or coil
Defective FourWay valve or coil
Defective outdoor unit PCB
Refrigerant shortage
Water mixed in refrigerant
Defective stop valve
Troubleshooting
Check No.01
Refer to P.142
Check No.12
Refer to P.144
Check No.13
Refer to P.145
Check No.14
Refer to P.145
(R1443
8
)
Caution
YES
N
G
*
Discharge pipe thermistor
N
O
OK
OK
N
G
N
G
OK
N
G
OK
*
Refrigerant shortage
*
W
ater mixed
*
Stop
v
al
v
e
Insert the thermistor in
position.
Replace the discharge pipe
thermistor.
Replace the electronic
expansion
v
al
v
e or the coil.
Refer to the refrigerant line
check proced
u
re.
Replace the o
u
tdoor
u
nit
PCB.
Replace the fo
u
r-
w
ay
v
al
v
e
or the coil.
Replace the o
u
tdoor
u
nit
PCB.
Discharge pipe
thermistor disconnected?
Check No. 01
Check the thermistors.
Check No. 13
Check the fo
u
r-
w
ay
v
al
v
e.
Check No. 14
Check the refrigerant line.
Check No. 12
Check the electronic
expansion
v
al
v
e.
Be s
u
re to t
u
rn off the po
w
er s
w
itch
b
efore connecting or disconnecting
connectors, or parts may
b
e damaged.
Содержание FTXS30LVJU
Страница 8: ...SiUS091133 Table of Contents vii...
Страница 11: ...SiUS091133 1 List of Functions Part 1 List of Functions 1 Functions 2 1 1 FTXS Series 2 1 2 FDXS Series 4...
Страница 15: ...SiUS091133 5 Specifications Part 2 Specifications 1 Specifications 6 1 1 FTXS Series 6 1 2 FDXS Series 11...
Страница 164: ...SiUS091133 Check Service Diagnosis 154 15 18 class 24 30 36 class Power module R16697 R16073 Power module...
Страница 259: ...Indoor Unit FTXS30 36LVJU SiUS091133 249 Removal Procedure 6 Disconnect the connector Step Procedure Points R9558...
Страница 413: ...Wiring Diagrams SiUS091133 403 Appendix...