SiENBE04-512A
Troubleshooting
Service Diagnosis
105
4.4
Fan Motor (AC Motor) or Related Abnormality
Remote Control
Display
A6
Method of
Malfunction
Detection
The rotation speed detected by the Hall IC during fan motor operation is used to determine
abnormal fan motor operation.
Malfunction
Decision
Conditions
When the detected rotation speed is less than 50% of the HH tap under maximum fan motor
rotation demand.
Supposed
Causes
Operation halt due to short circuit inside the fan motor winding.
Operation halt due to breaking of wire inside the fan motor.
Operation halt due to breaking of the fan motor lead wires.
Operation halt due to faulty capacitor of the fan motor.
Detection error due to faulty indoor unit PCB.
Troubleshooting
Check No.16
Refer to P.137
Rot
a
te the f
a
n
b
y h
a
nd.
Check No. 16
Check H
a
ll IC
Oper
a
te the f
a
n.
Doe
s
it rot
a
te?
NO
Doe
s
it rot
a
te
s
moothly?
I
s
there
a
n o
u
tp
u
t?
I
s
it
a
t the r
a
ted volt
a
ge?
I
s
there cond
u
ctivity?
NO
Check the c
a
p
a
citor'
s
cond
u
ctivity
Check the f
a
n motor volt
a
ge.
(immedi
a
tely
a
fter re-
s
t
a
rt)
I
s
it
a
t the r
a
ted volt
a
ge?
Check the f
a
n motor volt
a
ge.
NO
NO
NO
NO
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
Repl
a
ce the f
a
n motor or indoor
u
nit
PCB.
Repl
a
ce the f
a
n motor
∗
2 Me
asu
re the volt
a
ge
b
etween the
red
a
nd
b
l
a
ck le
a
d wire
s
of the f
a
n
motor,
a
nd check if the m
a
xim
u
m
volt
a
ge re
a
che
s
the r
a
ted volt
a
ge.
Repl
a
ce indoor
u
nit PCB (1).
Repl
a
ce the f
a
n motor.
Repl
a
ce the indoor
u
nit PCB (1)
Repl
a
ce the c
a
p
a
citor.
(Repl
a
ce PCB (1).)
Repl
a
ce the f
a
n motor.
(R4096)
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.
SiENBE04-512A.book Page 105 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 ...