Hypertherm Powermax65 Service Manual Rev.1 - Manual (Page 154)

TroubleshooTing and sysTem TesTs
5-28
powermax
65/85 Service Manual
2-nn-n
These fault codes usually relate to either the DSP or the power board and can only be seen on the service screen.
Fault
code
Description
(System test number)
Power
LED
Fault
LED
Fault
icon
Solutions
2-00-0 Analog to Digital (A/D)
converter value out of range
On On
• Perform a cold restart.
If that doesn’t fix the problem, it is possible
that the DSP or Power board have failed.
2-01-0 Auxiliary switch disconnected • Check the auxiliary switch cable.
• Perform Test 12.
2-10-0 Inverter module temp sensor
open (Test 4)
• Check the associated wiring.
• Check the resistance across the thermistor.
It should be about 10 kΩ at room
temperature.
If no problems are found, it is possible that
the inverter heat sink temperature sensor
assembly (228805) has failed.
2-10-1 Inverter module temp sensor
shorted (Test 4)
2-11-0 Pressure sensor open (Test
10)
• Check the associated wiring.
• If necessary, replace the pressure sensor
(kit 228689)
2-11-1 Pressure sensor shorted
(Test 10)
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.