22
MS-A18WV -
MS-A24WV -
MS-A30WV -
E1
E1
E1
Part name
Figure
Check method and criterion
Indoor fan motor(MF)
MS-A18/A24WV
INNER FUSE
145
:
CUT OFF
MS-A30WV
INNER
PROTECTOR
135
i
5
:
OPEN
Color of
lead wire
WHT – BLK
BLK – RED
Abnormal
Open or
short-circuit
MS-A18/A24WV
282
"
~ 305
"
141
"
~ 152
"
Measure the resistance with a tester.
(Part temperature 10˚C ~ 30˚C)
Normal
8 k
"
~ 20 k
"
Abnormal
Open or short-circuit
Room temperature
thermistor(RT11)
Indoor coil thermistor
(RT12(main), RT13(sub))
Horizontal vane
motor(MV1)
Vertical vane
motor(MV2)
Motor part
Sensor part
Measure the resistance between the terminals with a tester.
(Part temperature 10˚C ~ 30˚C)
Color of lead wire
BRN – YLW
YLW – GRY
Abnormal
Remain 0V or 5V
Normal
4.5 ~ 5.5V
Measure the voltage power ON.
(When fan revolved one time)
0V
➔
5V
➔
0V
(Approx.)
Normal
282
"
~ 306
"
Abnormal
Open or short-circuit
Measure the resistance between the terminal with a tester.
(Part temperature 10
°
C ~ 30
°
C)
BLK
RED
WHT
GR
Y
YL
W
BRN
MAIN
AUX
FUSE
BLK
RED
WHT
GR
Y
YL
W
BRN
MS-A30WV
133
"
~ 144
"
152
"
~ 165
"
Normal
MS-A18/A24WV
MS-A30WV
YLW
GRN
ORN
BRN
RED
ROTOR
MAIN
AUX.
P
:INNER PROTECTOR
P
2. Trouble criterion of main parts
OB325-1.qxp 03.12.3 1:03 PM Page 22
