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Powermax125
Service Manual 808070
8 – Troubleshooting and System Tests
Fault code format – 1-nn-n
These fault codes can only be seen on the service screen.
Fault code format – 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.
1-nn-n
Fault
code
Description
Power
LED
Fault
LED
Fault
icon
Solutions
1-00-0
Digital signal processor fault
On
On
These are internal processor checks and
are not likely to be caused by a hardware
failure.
• Perform a cold restart.
If that does not fix the problem, it is
possible that the DSP or power board has
failed.
1-10-0
Analog to Digital (A/D)
converter fault
1-20-0
I/O fault
2-nn-n
Fault
code
Description
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 does not fix the problem, it is
possible that the DSP or power board has
failed.
2-01-0
Auxiliary switch disconnected
• Check the auxiliary switch cable.
• Perform
2-10-0
Inverter module temperature
sensor open
• Check the associated wiring.
• Perform
If no problems are found, it is possible
that the inverter heatsink temperature
sensor assembly (228805) has failed.
2-10-1
Inverter module temperature
sensor shorted