Hypertherm Powermax 65 Service Manual

TroubleshooTing and sysTem TesTs
5-52 powermax 65/85 Service Manual
Test 9 – Electronic regulator
Symptom: Air flows continuously through the torch.
1. Turn off the machine and disconnect power.
2. Disconnect the electronic regulator control cable (J4 for CSA, J6 for CE) from the power board.
• If air continues to flow, replace the electronic regulator.
• If the air stops flowing, verify the DSP board by replacing it with a known good one. If the DSP board is not the
problem, replace the power board.
Pressure sensor
J5 (CSA), J7 (CE)
Fan
J3 (CSA), J5 (CE)
Electronic regulator
J4 (CSA), J6 (CE)
Inverter temperature sensor
J2 (CSA), J4 (CE)

Hypertherm Powermax 65 Specifications

General

Open Circuit Voltage (OCV)	300 VDC
Gas Supply	Clean, dry, oil-free air or nitrogen
Maximum Cut Capacity (Mild Steel)	1" (25 mm)
Input Voltage	200-600 V, 1/3-PH, 50/60 Hz
Output Current	20 – 65 A
Duty Cycle	50% @ 65 A
Recommended Gas Inlet Flow Rate/Pressure	6.7 scfm @ 85 psi
Torch Lead Length	25 ft (7.6 m)
Maximum Cut Capacity (Aluminum)	5/8" (16 mm)
Severance Cut Capacity (Mild Steel)	1-1/4" (32 mm)
Maximum Severance Thickness	1-1/4 in (32 mm)
Gas Type	Air/Nitrogen
Torch Options	Hand Torch, Mechanized Torch