TroubleshooTing and sysTem TesTs
5-14
powermax
65/85
Service Manual
IGBT device test using the Hypertherm tester
Using the Hypertherm IGBT tester, press and hold the switch in the desired position to perform each test described in
the following table.
Switch
LED
Position
Fail
Pass
Battery This may mean
Corrective action
Left
X
-
-
IGBT is short-circuited
Replace IGBT
Left
-
X
-
IGBT passed the short-circuit test
None
Left
-
-
X
Battery below 8 V
Replace battery
Left
-
-
-
Dead battery
Replace battery
Right
X
-
-
IGBT is open
Replace IGBT
Right
-
X
-
IGBT passed the open test
None
Right
-
-
X
Battery below 8 V
Replace battery
Right
-
-
-
Dead battery
Replace battery
Troubleshoot the Hypertherm IGBT tester
1. Inspect the leads and the IGBT tester for damage.
2. Verify that the battery voltage is greater than 8 V.
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
Summary of Contents for Powermax 65
Page 1: ...Service Manual 807120 Revision 1 Plasma arc cutting systems ...
Page 10: ...vi powermax65 85 Service Manual ...
Page 16: ...Table of Contents xii powermax65 85 Service Manual ...
Page 32: ...Specifications 1 16 powermax65 85 Service Manual ...
Page 182: ...Troubleshooting and System Tests 5 56 powermax65 85 Service Manual ...
Page 216: ...Component Replacement 6 34 powermax65 85 Service Manual ...
Page 244: ...Wiring Diagrams 8 2 powermax65 85 Service Manual ...