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Troubleshooting
SiENBE04-512A
108
Service Diagnosis
4.7
OL Activation (Compressor Overload)
Remote Control
Display
E5
Method of
Malfunction
Detection
A compressor overload is detected through compressor OL.
Malfunction
Decision
Conditions
If the compressor OL is activated twice, the system will be shut down.
The error counter will reset itself if this or any other error does not occur during the following
60-minute compressor running time (total time).
∗
The operating temperature condition is not specified.
Supposed
Causes
Refrigerant shortage
Four way valve malfunctioning
Outdoor unit PCB defective
Water mixed in the local piping
Electronic expansion valve defective
Stop valve defective
Troubleshooting
Check No.4
Refer to P.130
Check No.5
Refer to P.131
Check No.6
Refer to P.132
Check No.11
Refer to P.135
In
s
ert the thermi
s
tor in
po
s
ition.
Repl
a
ce the di
s
ch
a
rge pipe
thermi
s
tor.
Repl
a
ce the v
a
lve it
s
elf or
the coil.
Repl
a
ce the fo
u
r w
a
y v
a
lve
coil or the v
a
lve it
s
elf.
Repl
a
ce the o
u
tdoor
u
nit
PCB.
Refer to the refriger
a
nt line
check proced
u
re.
Repl
a
ce the o
u
tdoor
u
nit
PCB.
(R2
8
41)
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.
Di
s
ch
a
rge pipe thermi
s
tor
di
s
connected?
YE
S
M
a
lf
u
nctioning
∗
Di
s
ch
a
rge pipe thermi
s
tor
NO
F
u
nctioning
F
u
nctioning
Check No. 11
Check the refriger
a
nt line.
M
a
lf
u
nctioning
Check No. 6
Check the thermi
s
tor
s
M
a
lf
u
nctioning
F
u
nctioning
Check No. 4
Check the electronic exp
a
ntion
v
a
lve.
M
a
lf
u
nctioning
F
u
nctioning
Check No. 5
Check the fo
u
r w
a
y v
a
lve.
∗
Refriger
a
nt
s
hort
a
ge
∗
W
a
ter mixed
∗
S
top v
a
lve defective
SiENBE04-512A.book Page 108 Friday, October 5, 2007 1:49 PM
Содержание FTKS20CVMB(9)
Страница 1: ...SiENBE04 512A Service Manual Inverter Pair Wall Mounted Type C Series D Series...
Страница 17: ...List of Functions SiENBE04 512A 8 List of Functions...
Страница 18: ...SiENBE04 512A Specifications 9 Part 2 Specifications 1 Specifications 10 1 1 Cooling Only 10 1 2 Heat Pump 16...
Страница 37: ...Specifications SiENBE04 512A 28 Specifications...
Страница 73: ...Control Specification SiENBE04 512A 64 Function and Control...
Страница 103: ...Instruction SiENBE04 512A 94 System Configuration...
Страница 147: ...Check SiENBE04 512A 138 Service Diagnosis...
Страница 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 512A 216 Removal Procedure...
Страница 226: ...SiENBE04 512A Others 217 Part 8 Others 1 Others 218 1 1 Test Run from the Remote Control 218 1 2 Jumper Settings 219...
Страница 229: ...Others SiENBE04 512A 220 Others...
Страница 241: ...Wiring Diagrams SiENBE04 512A 232 Appendix...
Страница 245: ...SiENBE04 512A iv Index wiring diagrams 229...