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Only for training and service purposes
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4. Trouble Shooting
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How to check IPM IGBT (Diode Mode)
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Sequence of
Measurement
Measurement
Normal
Standards
1 P-U 0.4V~0.6V
2 P-V 0.4V~0.6V
3 P-W 0.4V~0.6V
Sequence of
Measurement
Measurement
Normal
Standards
1 U-Nu 0.4V~0.6V
2 V-Nv 0.4V~0.6V
3 W-Nw 0.4V~0.6V
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6.7 Troubleshooting Outdoor Error
CH 21 (DC Peak / Comp IPM Fault)