LG Therma V AHBW Series - Page 68

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n AHBW056A0/AHBW076A0/AHBW096A0
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8 ? > = 6_ 6^ 6]
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LED02M
LED01M
U
V
W
1. Wait PCB(Inverter) DC voltage is discharged after main power off.
2. Pull out V, V, W COMP connector.
3. Set multi tester to resistance mode.
4. If the value between P and N terminal of IPM is short(0Ω) or open(hundreds MΩ), PCB(Inverter) needs to be
replaced.(IPM damaged)
5. Set the multi tester to diode mode.
6. In case measured value is different from the table, PCB(Inverter) needs to be replaced. (PCB(Inverter) damaged).
27 26 25 24 23 22 21
P W V U Nw Nv Nu P W V U Nw Nv Nu
0.4 ~ 0.6 V
27 26 25 24 23 22 21
0.4 ~ 0.6 V
PFC_IPM check
U, V, W ‘ R S T