Preliminary Check Of The Control Pcb - Thermal Arc Fabricator 211i Service Manual

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5.07 Preliminary Check of the Control PCB

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Read and follow safety information in Section 5.03 before proceeding.
IGBT Testing
IGBT V8 & V8-1
IGBT T1 & T2
IGBT T4 & T5
IGBT Testing
IGBT V8 & V8-1
IGBT T1 & T2
IGBT T4 & T5
Inrush Resistor
Resistor
Manual 0-5158
Multimeter Lead Placement
Positive meter lead to testpoint 3
Negative meter lead to testpoint 4
Positive meter lead to testpoint 6
Negative meter lead to testpoint 5
Positive meter lead to testpoint 3
Negative meter lead to testpoint 7
Table 5-5 IGBT's, Multimeter set to measure Diode Voltage
Multimeter Lead Placement
Positive meter lead to testpoint 4
Negative meter lead to testpoint 3
Positive meter lead to testpoint 5
Negative meter lead to testpoint 6
Positive meter lead to testpoint 7
Negative meter lead to testpoint 3
Table 5-6 IGBT's, Multimeter set to measure ohms (Ω)
Multimeter Lead Placement
Positive meter lead to testpoint 8
Negative meter lead to testpoint 9
Table 5-7 Inrush PTC, Multimeter set to measure ohms (Ω)
5-7
FABRICATOR 211i
Art # A-10757_AB
Diode Voltage
0.2 – 0.8 VDC
0.2 – 0.8 VDC
0.2 – 0.8 VDC
Ohms
>150 Ω
>150 Ω
>150 Ω
Ohms
3 Ω
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