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.
Summary of Contents for Powermax 65
Page 1: ...Service Manual 807120 Revision 1 Plasma arc cutting systems ...
Page 10: ...vi powermax65 85 Service Manual ...
Page 16: ...Table of Contents xii powermax65 85 Service Manual ...
Page 32: ...Specifications 1 16 powermax65 85 Service Manual ...
Page 182: ...Troubleshooting and System Tests 5 56 powermax65 85 Service Manual ...
Page 216: ...Component Replacement 6 34 powermax65 85 Service Manual ...
Page 244: ...Wiring Diagrams 8 2 powermax65 85 Service Manual ...