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Troubleshooting
SiUS04-904
Service Diagnosis
109
4.8
Compressor Lock
4.8.1 09/12 Class
Remote
Controller
Display
E6
Method of
Malfunction
Detection
A compressor lock is detected by checking the compressor running condition through the position
detection circuit.
Malfunction
Decision
Conditions
The system judges the compressor lock, and stops due to overcurrent.
The system judges the compressor lock, and cannot operation with position detection within 15
seconds after start up.
The system is shut down if the error occurs 16 times.
Clearing condition: Continuous run for about 10 minutes (normal)
Supposed
Causes
Compressor locked
Compressor harness disconnected
Troubleshooting
T
u
rn off the po
w
er. Disconnect the
harnesses U,
V
and
W
.
(R
8
065)
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.
N
O
YES
YES
N
O
N
O
YES
Check
w
ith the in
v
erter checker (
*
).
T
u
rn off the po
w
er and reconnect
the harnesses. T
u
rn on the po
w
er
again and get the system restarted.
(Preca
u
tion
b
efore t
u
rning on the po
w
er again)
Make s
u
re the po
w
er has
b
een off for at least 30 seconds.
Correct the po
w
er s
u
pply or
replace the o
u
tdoor
u
nit
PCB.
*
In
v
erter checker
Part
N
o.: 1225477
Replace the compressor.
Replace it as re
qu
ired.
Replace the compressor.
Check the electronic
expansion
v
al
v
e.
N
ormal?
Emergency stop
w
itho
u
t compressor r
u
nning?
System sh
u
t
do
w
n after errors repeated
se
v
eral times?
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...