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LG Multi V 5 - Fan IPM

LG Multi V 5
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188 189
_TROUBLE SHOOTING GUIDE BOOK _
20. Fan IPM
20.1 Fan IPM Checking Method
1. Wait until Fan PCB DC voltage gets discharged after the main power switch off
2. Pull out DC Link connector and U, V, W fan motor connector connected with fan PCB
3. Set multi tester in resistance mode
4. If the value between P and N terminal of IPM is short (0Ω), PCB needs to be replaced
(IPM damaged)
5. If the measured value is different from the value given in the table, PCB is needs to be replaced
85
IPM 검사 방법
1. 차단 보드 DC 전압이 방전 대기하세요.
2. 보드에 연결 DC 모터 연결 U,V,W 터를 주세요.
3. 멀티 스터기를 모드로 설정 니다.
4. IPM P자와 N Short(0
Ω) 경우 IPM 으므로 PCB 요로 합니다.
5. 정치가 상이할 경우 보드가 으므로, 요합니다 .
<UXB 샤시>
uLvLw@
࠹Ȕࢥ
dcl
࠹Ȕࢥ
p@ɶۜ
u@ɶۜ
v@ɶۜ
w@ɶۜ
nۜ
: 적(+) (-) 멀티 스터기의 니다.
P단 : (-) N : (-)
U단 : (+) 4.98 MΩ± 10 % (25 ) 5.85 MΩ± 10 % (25 )
V : (+) 4.98 MΩ± 10 % (25 ) 5.85 MΩ± 10 % (25 )
W : (+) 4.98 MΩ± 10 % (25 ) 5.85 MΩ± 10 % (25 )
P단 : (+) N : (+)
U단 : (-) 4.49 MΩ± 10 % (25 ) 0.72 MΩ± 10 % (25 )
V : (-) 4.49 MΩ± 10 % (25 ) 0.72 MΩ± 10 % (25 )
W : (-) 4.49 MΩ± 10 % (25 ) 0.72 MΩ± 10 % (25 )
U,V,W
Connector
DC_Link
Connector
P Terminal
U Terminal
V Terminal
W Terminal
N Terminal
Diode terminal
Tester terminal
P terminal : black(-) N terminal : red(-)
U terminal : red(+) 4.98 ㏁ ± 10 % (25℃) 5.85 ㏁ ± 10 % (25℃)
V terminal : red(+) 4.98 ± 10 % (25℃) 5.85 ± 10 % (25℃)
W terminal : red(+) 4.98 ㏁ ± 10 % (25℃) 5.85 ㏁ ± 10 % (25℃)
P terminal : red(+) N terminal : red(+)
U terminal : black(-) 4.49 ± 10 % (25℃) 0.72 ± 10 % (25℃)
V terminal : black(-) 4.49 ㏁ ± 10 % (25℃) 0.72 ㏁ ± 10 % (25℃)
W terminal : black(-) 4.49 ㏁ ± 10 % (25℃) 0.72 ㏁ ± 10 % (25℃)
1. Wait until Fan PCB DC voltage gets discharged after the main power switch off
2. Pull out DC Link connector and U, V, W fan motor connector connected with fan PCB
3. Set multi tester in resistance mode
4. If the value between P and N terminal of IPM is short (0Ω), PCB needs to be replaced
(IPM damaged)
5. If the measured value is different from the value given in the table, PCB is needs to be replaced
Diode terminal
Tester terminal
P terminal : black(-) N terminal : red(-)
U terminal : red(+) 4.98 ㏁ ± 10 % (25℃) 5.85 ㏁ ± 10 % (25℃)
V terminal : red(+) 4.98 ± 10 % (25℃) 5.85 ± 10 % (25℃)
W terminal : red(+) 4.98 ㏁ ± 10 % (25℃) 5.85 ㏁ ± 10 % (25℃)
P terminal : red(+) N terminal : red(+)
U terminal : black(-) 4.49 ± 10 % (25℃) 0.72 ± 10 % (25℃)
V terminal : black(-) 4.49 ㏁ ± 10 % (25℃) 0.72 ㏁ ± 10 % (25℃)
W terminal : black(-) 4.49 ㏁ ± 10 % (25℃) 0.72 ㏁ ± 10 % (25℃)
86
<UXA 샤시>
uLvLw@
Ȕ
dcl
࠹Ȕࢥ
p@ɶۜ
u@ɶۜ
v@ɶۜ
w@ɶۜ
n@ɶۜ
1. 차단 보드 DC 전압이 방전 대기하세요.
2. 보드에 연결 DC 모터 연결 U,V,W 터를 주세요.
3. 멀티 스터기를 모드로 설정 니다.
4. IPM P자와 N Short(0
Ω) 경우 IPM 으므로 PCB 요로 합니다.
5. 정치가 상이할 경우 보드가 으므로, 요합니다 .
: 적(+) (-) 멀티 스터기의 니다.
P단 : (-) N : (-)
U단 : (+) 4.98 MΩ± 10 % (25 ) 5.85 MΩ± 10 % (25 )
V : (+) 4.98 MΩ± 10 % (25 ) 5.85 MΩ± 10 % (25 )
W : (+) 4.98 MΩ± 10 % (25 ) 5.85 MΩ± 10 % (25 )
P단 : (+) N : (+)
U단 : (-) 4.49 MΩ± 10 % (25 ) 0.72 MΩ± 10 % (25 )
V : (-) 4.49 MΩ± 10 % (25 ) 0.72 MΩ± 10 % (25 )
W : (-) 4.49 MΩ± 10 % (25 ) 0.72 MΩ± 10 % (25 )
U,V,W
Connector
DC_Link
Connector
P Terminal
U Terminal
V Terminal
W Terminal
N Terminal
Basic Part
Multi V 5
Intorduction
Trouble Shooting
Function Control
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