Hypertherm XPR170 - Page 334

Diagnostics and Troubleshooting
8
334 810060 Instruction Manual XPR170
3. Install a temporary jumper wire between J5 (nozzle) and J1 (work) on the start circuit
PCB 4 (141360).
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3
D4
D6
2
3
NOTICE
Never fire an arc when a temporary jumper wire is installed on the PCB. Sparking and damage to the
PCB can occur.