Is the coolant flow in the permitted range?
Are the gas pressures in
the permitted range?
Continue to Ramp-up state (11).
Continue to End of Cycle
state (14).
Is the current for Chopper 1 in
the permitted range?
Continue troubleshooting
steps to identify the
problem.
Is the DC bus voltage in
the permitted range?
Does the Pilot Arc state (9)
complete in 500 milliseconds?
No
No
No
Yes
No
Are the temperatures in
the permitted range?
Is the current for the work cable
in the permitted range?
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Other choppers start
during this time.
■
If the Pilot Arc state (9) completes correctly, the process continues with Ramp-up state (11) on page
226.
Operation
6
225811530Instruction ManualXPR460
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