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SiUS04-904
Troubleshooting
110
Service Diagnosis
4.8.2 15/18/24 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 position detection circuit detects a compressor frequency of below 10 Hz for 20 seconds or
a frequency of above 160 Hz.
40 seconds after the compressor has started, the position detection circuit detects a
compressor frequency of above 180 Hz.
The system is shut down if the error occurs 16 times.
Clearing condition: Continuous run for about 5 minutes (normal)
Supposed
Causes
Compressor locked
Troubleshooting
T
u
rn off the po
w
er. Disconnect the
harnesses U,
V
and
W
.
(R10499)
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.
Correct the po
w
er s
u
pply or
replace the SPM.
(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?
Содержание FTXS09HVJU
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Страница 9: ...Safety Considerations SiUS04 904 viii Safety Considerations...
Страница 10: ...SiUS04 904 List of Functions 1 Part 1 List of Functions 1 Functions 2...
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