Transarc 130i, 07 preliminary check of the main inverter board – Tweco 130i Transarc Service Manual User Manual
Page 47
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TRANSARC 130i
Manual 0-5282 6-5
TROUBLESHOOTING
6.07 Preliminary check of the main inverter board
!
Read and follow safety information in Section 6.03 before proceeding.
A-11845
IGBT Testing
Multimeter Lead Placement
Diode Voltage
IGBT V8
Positive meter lead to testpoint 3
Negative meter lead to testpoint 4
0.2 – 0.8 VDC
IGBT T1
Positive meter lead to testpoint 5
Negative meter lead to testpoint 6
0.2 – 0.8 VDC
IGBT T4
Positive meter lead to testpoint 7
Negative meter lead to testpoint 8
0.2 – 0.8 VDC
Table 6-3: IGBT’s, Multimeter set to measure Diode Voltage
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