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rachel87Jul 28, 2025
What to do if the Hypertherm HyPerformance Plasma HPR400 flow switch test fails?
- SSusan QuinnJul 28, 2025
If the flow switch test fails on your Hypertherm Cutter, first wait 10 seconds to allow the flow rate to stabilize. Next, verify that the secondary power supply is turned ON. Finally, confirm that the current for the selected process is within the power supply's range (up to 400A for the 400XD and up to 800A for the 800XD).
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