Hypertherm Powermax 65 Service Manual

TroubleshooTing and sysTem TesTs
powermax 65/85 Service Manual 5-31
Fault
code
Description
(System test number)
Power
LED
Fault
LED
Fault
icon
Solutions
3-51-1 Inverter saturation fault (the
inverter is over current)
On On
Upper and lower inverter IGBTs are gating
(being activated) in phase rather than 180°
out of phase.
• Test the two inverter IGBTs in the module.
• Replace the module if either is faulty.
• If necessary, replace the power board.
3-52-0 Shoot through
3-60-0 Power board The DSP does not recognize the power
board. The code is for future machines where
the current DSP board will not work with
future power boards.
3-70-0 Internal serial communications
fault
There is a fault with the communication
between the DSP and Power board.
• Check the board connector.
• If necessary, replace either the DSP or
Power board.

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