Chopper current test -15 – Hypertherm RoboTester Troubleshooting Kit User Manual
Page 27
RoboTester
Instruction Manual
3-15
SETUP AND OPERATION
0
Figure 17
I/O Board shorted out with DC short wire
Chopper current test
Checks the current output of each chopper. Chopper 1 is tested a 30-amps and Chopper 2 is tested at 100-amps.
If proper current is detected the choppers are functioning properly.
Items Needed: See parts list for details
#1 4/O Jumper Cable
Set-Up
1 – Remove Negative and Work Lead 4/O cables from large brass bus bars inside HD4070
2 – Install 4/O Jumper Cable across buss bars in place of Negative and Work Leads
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