Troubleshooting
SiUS04-904
Service Diagnosis
131
Troubleshooting
Check No.06
Refer to P.146
Check No.07
Refer to P.147
Check No.09
Refer to P.148
Caution
Be s
u
re to t
u
rn off the po
w
er s
w
itch
b
efore connecting or disconnecting
the connector, or parts damage may occ
u
r.
WARNING
To cool do
w
n the electricals, the
o
u
tdoor
u
nit fan gets started
w
hen
the radiation fin temperat
u
re rises
a
b
o
v
e 176°F (
8
0°C) and stops itself
w
hen it drops
b
elo
w
15
8
°F (70°C)
(R10493)
YES
Fin thermistor
N
O
Slightly dirty
Malf
u
nctioning
Too dirty
F
u
nctioning
N
O
YES
N
O
YES
T
u
rn off the po
w
er and t
u
rn it on
again.
Check the radiation fin
temperat
u
re.
Check No. 07
Check the installation condition.
Radiation fin
dirty?
A
b
o
v
e 176°F
(
8
0°C)?
Thermistor as
specified in its characteristic
chart?
Check No. 06
Check the thermistor resistance
v
al
u
e.
Check No. 09
Check the o
u
tdoor
u
nit fan or
related.
Error again or
o
u
tdoor
u
nit fan acti
v
ated?
Replace the fin thermistor.
Replace the o
u
tdoor
u
nit
PCB.
Replace the o
u
tdoor
u
nit
PCB.
Replace the fan motor.
Correct the connectors and
fan motor leads.
Clean
u
p the radiation fin.
Summary of Contents for FTXS09HVJU
Page 1: ...SiUS04 904 Applied Models Inverter Pair Heat Pump Inverter Pair Wall Mounted Type H Series...
Page 9: ...Safety Considerations SiUS04 904 viii Safety Considerations...
Page 10: ...SiUS04 904 List of Functions 1 Part 1 List of Functions 1 Functions 2...
Page 72: ...Control Specification 15 18 24 Class SiUS04 904 62 Function and Control...
Page 77: ...FTXS09 12HVJU SiUS04 904 66 Operation Manual...
Page 78: ...SiUS04 904 FTXS09 12HVJU Operation Manual 67...
Page 83: ...FTXS09 12HVJU SiUS04 904 72 Operation Manual is no longer displayed on the LCD...
Page 84: ...SiUS04 904 FTXS09 12HVJU Operation Manual 73 is no longer displayed on the LCD...
Page 85: ...FTXS09 12HVJU SiUS04 904 74 Operation Manual...
Page 86: ...SiUS04 904 FTXS09 12HVJU Operation Manual 75...
Page 87: ...FTXS09 12HVJU SiUS04 904 76 Operation Manual 3P232717 1C...
Page 90: ...SiUS04 904 FTXS15 18 24HVJU Operation Manual 79 is no longer displayed on the LCD...
Page 91: ...FTXS15 18 24HVJU SiUS04 904 80 Operation Manual...
Page 94: ...SiUS04 904 FTXS15 18 24HVJU Operation Manual 83 is no longer displayed on the LCD...
Page 95: ...FTXS15 18 24HVJU SiUS04 904 84 Operation Manual Do not hit or forcefully push the operation...
Page 96: ...SiUS04 904 FTXS15 18 24HVJU Operation Manual 85 is no longer displayed on the LCD...
Page 97: ...FTXS15 18 24HVJU SiUS04 904 86 Operation Manual is no longer displayed on the LCD...
Page 98: ...SiUS04 904 FTXS15 18 24HVJU Operation Manual 87 is no longer displayed on the LCD...
Page 99: ...FTXS15 18 24HVJU SiUS04 904 88 Operation Manual...
Page 100: ...SiUS04 904 FTXS15 18 24HVJU Operation Manual 89...
Page 101: ...FTXS15 18 24HVJU SiUS04 904 90 Operation Manual 3P232717 2C...