Service Manual Instruction Manual

TRANSARC 130i
Manual 0-5282 6-5 TROUBLESHOOTING
6.07 Preliminary check of the main inverter board
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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