Hypertherm Powermax125 Service Manua User Manual
Page 137
Powermax125 Service Manual 808070
137
8 – Troubleshooting and System Tests
0-51-0*
Start/trigger signal is on at
power up
This situation indicates that
the power supply is receiving
a start signal at power-up. It
is sometimes referred to as a
“stuck start.”
On
On
If the power supply is turned on while the
torch trigger is pressed, the system is
disabled.
• Release the trigger and cycle the
power to the machine.
• Check for continuity between pin 6 and
pin 7 of the torch connector. There
should be very low resistance when the
torch trigger is pulled.
• Test with a known working torch.
0-52-0*
Torch is not connected
• Plug a torch lead into the FastConnect
receptacle on the front of the power
supply and recycle the power switch.
0-60-0
Phase loss
On
On
Wear proper personal protection
equipment when checking the voltage.
• Check for proper voltage (phase to
phase and phase to ground) at the
power source and at the machine.
0-60-1
Under voltage
• Increase the supply voltage.
0-60-2
Over voltage
• Decrease the supply voltage.
0-61-0
AC input unstable:
Shutdown
On
On
• Test the machine from another AC
power source.
• Power down and correct the line
resonance problem before continuing.
0-98-0
Internal communication
failure
The control board and the
DSP are not communicating.
On
On
• Perform a cold restart.
• Confirm that the connecting ribbon
cable is installed properly between the
control board and the DSP board.
0-99-0
System hardware fault
(service required)
Indicates a major fault with
the system.
On
On
• Display the service screen.
• A qualified service technician must
service the system. Contact your
distributor or authorized repair facility.
* Perform a continuity check on the FastConnect receptacle on the power supply using the instructions in
faults – continuity check on page 142.
0-nn-n
Fault
code
Description
Power
LED
Fault
LED
Fault
icon
Solutions