Troubleshooting
SiE12-411
182
Service Diagnosis
5.12 Compressor Lock
Remote
Controller
Display
E6
Outdoor Unit LED
Display
A
5
1
1
2
4
3
4
4
1
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 will be 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 power. Di
s
connect the
h
a
rne
ss
e
s
U, V
a
nd W.
∗
Inverter checker
P
a
rt No.: 1225477
Correct the power
su
pply or
repl
a
ce the
S
PM.
(Repl
a
ce the o
u
tdoor
u
nit
PCB.)
Repl
a
ce the compre
ss
or.
Check the electronic
exp
a
n
s
ion v
a
lve.
Repl
a
ce it
as
re
qu
ired.
Repl
a
ce the compre
ss
or.
(R2
8
42)
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.
NO
YE
S
YE
S
S
y
s
tem
s
h
u
t
down
a
fter error
s
repe
a
ted
s
ever
a
l time
s
?
NO
NO
Norm
a
l?
YE
S
Emergency
s
top
witho
u
t compre
ss
or
r
u
nning?
Check with the inverter checker (
∗
).
T
u
rn off the power
a
nd reconnect
the h
a
rne
ss
e
s
. T
u
rn on the power
a
g
a
in
a
nd get the
s
y
s
tem re
s
t
a
rted.
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...
