SiENBE04-512A
Troubleshooting
Service Diagnosis
111
4.10 Input Over Current Detection
Remote Control
Display
E8
Method of
Malfunction
Detection
An input over-current is detected by checking the input current value with the compressor
running.
Malfunction
Decision
Conditions
The following current with the compressor running continues for 2.5 seconds.
Cooling / Heating: Above 12A
Supposed
Causes
Over-current due to compressor failure
Over-current due to defective power transistor
Over-current due to defective outdoor unit PCB
Error detection due to outdoor unit PCB
Over-current due to short-circuit
Troubleshooting
Check No.7
Refer to P.133
Check No.8
Refer to P.133
Note:
If the model doesn’t have SPM, replace the outdoor unit PCB.
Repl
a
ce the o
u
tdoor
u
nit
PCB.
∗
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.)
(R2952)
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.
Inp
u
t c
u
rrent flowing
ab
ove it
s
s
top level?
NO
YE
S
Any LED off?
YE
S
NO
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 re
s
t
a
rted.
T
u
rn off the power
a
nd di
s
connect
the h
a
rne
ss
e
s
U, V
a
nd W.
Get re
s
t
a
rted
a
nd me
asu
re the
inp
u
t c
u
rrent.
Check No.
8
Check the di
s
ch
a
rge pre
ssu
re.
Check No. 7
Check the in
s
t
a
ll
a
tion condition.
∗
An inp
u
t over-c
u
rrent m
a
y re
su
lt from wrong intern
a
l wiring. If the wire
s
h
a
ve
b
een di
s
connected
a
nd
reconnected for p
a
rt repl
a
cement, for ex
a
mple,
a
nd the
s
y
s
tem i
s
interr
u
pted
b
y
a
n inp
u
t over-c
u
rrent,
t
a
ke the following proced
u
re.
SiENBE04-512A.book Page 111 Friday, October 5, 2007 1:49 PM
Содержание ARKH20CVMB7
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 ...