Hypertherm Powermax125 Service Manua - Manual (Page 139)

Powermax125 Service Manual 808070 139
8 – Troubleshooting and System Tests
Fault code format – 3-nn-n
These fault codes can only be seen on the service screen.
2-11-0 Pressure sensor is open
On On
• Check the associated wiring.
• Perform Test 10 – Pressure sensor on
page 163.
• If necessary, replace the pressure
sensor (228689).
2-11-1 Pressure sensor is shorted
2-20-0* Torch ID
The DSP does not recognize
the torch.
• Confirm that the torch is seated
properly in the connector.
• Inspect the connector for the proper
pin-out. See Torch-related
faults – continuity check on page 142
and
Powermax125 schematic diagram
on page 317.
* Perform a continuity check on the FastConnect receptacle on the power supply using the instructions in Torch-related
faults – continuity check on page 142.
3-nn-n
Fault
code
Description
Power
LED Fault
LED Fault
icon
Solutions
3-10-0 Fan speed
The fan speed is below the
minimum speed.
On On
• Clean the fan assembly.
• Perform Test 11 – Fan on page 164.
3-10-1 Fan • Check the associated wiring.
• Perform Test 11 – Fan on page 164.
• If necessary, replace the fan assembly.
3-20-0 Fill valve
Indicates that the fill valve is
not connected.
• Check the associated wiring.
• Perform Test 9 – Electronic regulator
on page 162.
• If necessary, replace the electronic
regulator (228687).
2-nn-n
Fault
code
Description
Power
LED Fault
LED Fault
icon
Solutions