Troubleshooting
SiUS04-904
Service Diagnosis
135
Troubleshooting
Check No.07
Refer to P.147
Check No.08
Refer to P.147
Check No.13
Refer to P.150
(R10492)
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
N
O
YES
N
O
YES
YES
N
O
N
O
YES
YES
N
O
Monitor the s
u
pply
v
oltage,
discharge and s
u
ction press
u
res,
and other factors for an extended
period of time.
Possi
b
le ca
u
ses
Instantaneo
u
s s
u
pply
v
oltage
drop
Compressor motor o
v
erloaded
Contact-ind
u
ced electrical
short-circ
u
it
*
An o
u
tp
u
t o
v
erc
u
rrent may res
u
lt from incorrect internal
w
iring. If the
w
ires ha
v
e
b
een disconnected and
reconnected for part replacement, for example, and the system is interr
u
pted
b
y an o
u
tp
u
t o
v
erc
u
rrent,
check the
w
ires again.
Check No. 0
8
Check the discharge press
u
re.
Check No. 13
Check the po
w
er transistor.
Check No. 07
Check the installation condition.
Check
w
ith the in
v
erter checker (
*
).
T
u
rn off the po
w
er and disconnect
the harnesses U,
V
and
W
.
T
u
rn off the po
w
er, and reconnect
the harnesses. T
u
rn on the po
w
er
again and get restarted.
T
u
rn off the po
w
er and t
u
rn it on
again to get the system started.
See if the same error occ
u
rs.
Check the s
u
pply
v
oltage.
Keep on
u
sing as it is
(monitor).
Check the electricals'
connectors and other
fittings.
F
u
lly open the stop
v
al
v
e.
Correct the po
w
er s
u
pply.
Replace the compressor.
Correct the po
w
er s
u
pply or
replace the o
u
tdoor
u
nit
PCB.
Replace the o
u
tdoor
u
nit
PCB.
N
ormal?
Error again?
Stop
v
al
v
e f
u
lly
open?
V
oltage as rated?
Any LED off?
*
In
v
erter checker
Part
N
o.: 1225477
Short-circ
u
it
or
b
reakage
b
et
w
een
compressor's coil phases?
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...
Страница 13: ...SiUS04 904 4 Specifications Part 2 Specifications 1 Specifications 5 1 1 SEER 16 Models 5 1 2 SEER 13 Models 8...
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Страница 72: ...Control Specification 15 18 24 Class SiUS04 904 62 Function and Control...
Страница 77: ...FTXS09 12HVJU SiUS04 904 66 Operation Manual...
Страница 78: ...SiUS04 904 FTXS09 12HVJU Operation Manual 67...
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Страница 95: ...FTXS15 18 24HVJU SiUS04 904 84 Operation Manual Do not hit or forcefully push the operation...
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