Hypertherm Powermax 125 Service Manual

Powermax125 Service Manual 808070 151
8 – Troubleshooting and System Tests
 If there is a fault and the diode bridge output value is correct:
 Display the service screen (Figure 21) and confirm that the value “VL” is ±15% of AC line voltage.
Figure 21
 If there is a fault and the “VL” value is correct:
 Verify the DSP board by replacing it with a known good board.
 If the DSP board is not the problem, replace the power board.

Hypertherm Powermax 125 Specifications

General

Output Current	30-125 A
Input Power	15.2 kW
Open Circuit Voltage	300 VDC
Gas Supply	Clean, dry, oil-free air or nitrogen
Input Power Cable Length	10 ft (3 m)
Rated Output Current	125 A
Gas Type	Air or nitrogen
Cutting Capacity	1-1/4 inch (32 mm)
Pierce Capacity	1 inch (25 mm)
Input Voltage	200-600 V, 3-PH
Duty Cycle	100% @ 125 A
Certifications	CSA
Maximum Clean Cut Thickness	1-1/4 inch (32 mm)
Cooling Method	Fan-cooled
Torch Options	Hand