Hypertherm Powermax45 SYNC Service Manual page 8

Contents
The system is not cutting at full cutting power, and the plasma arc does not time out after 5
seconds.....................................................................................................................................................................44
The work lead connection is not satisfactory........................................................................................44
The work lead has damage....................................................................................................................... 44
The output current is set too low............................................................................................................. 45
The power PCB is defective.....................................................................................................................45
Nothing shows on the 2-digit display, the power switch is set to ON (I), and the Power ON LED is
on................................................................................................................................................................................ 45
There is a problem with the voltage or the power source..................................................................45
The fan has a short circuit......................................................................................................................... 45
The system changes the gas pressure after you set it manually..................................................................46
One of these conditions caused the gas pressure to be changed..................................................46
The system changes the output current (A) or the operating mode after you set them.........................46
You selected the system setting while the torch was locked............................................................ 46
The plasma power supply stops (1-phase models)........................................................................................47
The system energized the trip coil, or the power switch is defective.............................................. 47
3 Troubleshooting for fault codes....................................................49
Fault icons and fault codes...................................................................................................................................49
Fault icons..................................................................................................................................................... 49
Fault codes....................................................................................................................................................50
Operational faults....................................................................................................................................................51
Internal component faults (1-nn-n, 2-nn-n, 3-nn-n)........................................................................................56
Troubleshooting procedures for fault LEDs and 0-nn-n fault codes.......................................................... 58
Troubleshooting for AC input power that is not stable.......................................................................58
Fault codes and fault LEDs............................................................................................................59
Corrective action for AC input power that is not stable......................................................... 59
Troubleshooting for low gas pressure faults......................................................................................... 59
Fault codes and fault LEDs............................................................................................................59
Corrective action – gas supply checks.......................................................................................59
Corrective action – more external checks..................................................................................60
Corrective action – internal checks............................................................................................. 61
Verification......................................................................................................................................... 61
Troubleshooting for missing gas input faults.........................................................................................61
Fault codes and fault LEDs............................................................................................................61
Corrective action for the input gas supply................................................................................. 61
Corrective action for the solenoid valve and power PCB...................................................... 62
Troubleshooting for TSO and TSC faults.............................................................................................. 64
8 811480 Service Manual Powermax45 SYNC®