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SiE12-411
Troubleshooting
Service Diagnosis
189
5.17 Position Sensor Abnormality
Remote
Controller
Display
H6
Outdoor Unit LED
Display
A
5
1
4
2
4
3
1
4
1
Method of
Malfunction
Detection
A compressor startup failure is detected by checking the compressor running condition through
the position detection circuit.
Malfunction
Decision
Conditions
"
The compressor fails to start in about 15 seconds after the compressor run command signal
is sent.
"
Clearing condition: Continuous run for about 5 minutes (normal)
"
The system will be shut down if the error occurs 16 times.
Supposed
Causes
"
Compressor relay cable disconnected
"
Compressor itself defective
"
Outdoor unit PCB defective
"
Stop valve closed
"
Input voltage out of specification
Troubleshooting
Check No.13
Refer to P.211
Repl
a
ce the o
u
tdoor
u
nit
PCB, o
u
tdoor
u
nit f
a
n.
Repl
a
ce the o
u
tdoor
u
nit
PCB.
Reconnect
as
s
pecified.
∗
Inverter checker
P
a
rt No.: 1225477
Correct the power
su
pply or
repl
a
ce the o
u
tdoor
u
nit
PCB.
Repl
a
ce the compre
ss
or.
(R2
8
47)
Caution
Be
su
re to t
u
rn off power
s
witch
b
efore connect or di
s
connect connector,
or p
a
rt
s
d
a
m
a
ge m
a
y
b
e occ
u
rred.
Norm
a
l
NO
NO
NO
YE
S
YE
S
NO
YE
S
Any LED off?
DC
38
0±
3
0V?
Electric
a
l
s
or compre
ss
or h
a
rne
ss
e
s
connected
as
s
pecified?
Check the electrolytic c
a
p
a
citor
volt
a
ge.
Check with the inverter checker (
∗
).
T
u
rn off the power. Di
s
connect the
h
a
rne
ss
e
s
U, V
a
nd W.
C
heck No.
1
3
Check for
s
hort-circ
u
it.
Summary of Contents for Super Multi NX C-Series
Page 6: ...SiE12 411 Table of Contents v Index i Drawings Flow Charts v...
Page 7: ...SiE12 411 vi Table of Contents...
Page 67: ...Specifications SiE12 411 56 Specifications...
Page 171: ...Instruction SiE12 411 160 System Configuration...
Page 225: ...Check SiE12 411 214 Service Diagnosis...
Page 295: ...SiE12 411 iv Index...