SiENBE04-512A
Troubleshooting
Service Diagnosis
117
4.14 Position Sensor Abnormality
Remote Control
Display
H6
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 10 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.136
Repl
a
ce the o
u
tdoor
u
nit
PCB.
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.
(R
3
041)
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
YE
S
Any LED off?
DC290
~38
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.
SiENBE04-512A.book Page 117 Friday, October 5, 2007 1:49 PM
Summary of Contents for FTKS20CVMB(9)
Page 1: ...SiENBE04 512A Service Manual Inverter Pair Wall Mounted Type C Series D Series...
Page 17: ...List of Functions SiENBE04 512A 8 List of Functions...
Page 37: ...Specifications SiENBE04 512A 28 Specifications...
Page 73: ...Control Specification SiENBE04 512A 64 Function and Control...
Page 103: ...Instruction SiENBE04 512A 94 System Configuration...
Page 147: ...Check SiENBE04 512A 138 Service Diagnosis...
Page 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 512A 216 Removal Procedure...
Page 229: ...Others SiENBE04 512A 220 Others...
Page 241: ...Wiring Diagrams SiENBE04 512A 232 Appendix...