Troubleshoot the hypertherm igbt tester, Schematic for building an igbt tester, Powermax1000 – Hypertherm Powermax1000 Service Manual User Manual
Page 44
MAINTENANCE
1
powermax1000
Service Manual
3-11
Schematic for building an IGBT tester
Troubleshoot the Hypertherm IGBT tester
1. Inspect the leads and the IGBT tester for damage.
2. Verify that the battery voltage is greater than 8V.
3. Test the IGBT Tester, itself, as shown below. If the results do not match the table, replace the lead connections.
Connect leads
Short test
Open test
None
Pass
Fail
Red to Black
Fail
Pass
Legend
1. Collector 1 (C1)
2. Emitter 2 (E2)
3. Collector 2, Emitter 1 (C2,E1)
4. Gate 1 (G1)
5. Emitter 1 (E1)
6. Emitter 2 (E2)
7. Gate 2 (G2)
9 VDC
battery
R4
2.0K
009036
N.O.
pushbutton
switch
Yellow
Minigrabber
test clip 4
5
Black
Minigrabber
test clip
R1
3.01M
009464
3
7
6
2
1
D1
Red LED lamp
109092
Red Minigrabber
test clip
R3
2.0K
009036
Q1
150A
1400V
109125
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