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E-11
TROUBLESHOOTING
E-11
POWER WAVE® i400
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Output will not come on.
Bad Weld Starting.
6. Other modules faulted.
1. Wire Feed problem
2. Strike Wire Feed Speed
3. Incorrect Weld Schedule
4. Voltage Sense Leads
5. Analog Scans Between Updates
6. Analog Hysteresis
7. Limit Error
8. Fan Out
9. Gas
6. Verify no other modules are faulted
(all system Status Lights should be
steady green). Use Diagnostics Utility
to display any current faults in the sys-
tem.
1. Verify Feeders drive roll tension is not
too low allowing the wire to slip in the
rolls. Verify wire can be pulled easily
through the wire conduit. Verify
Contact tip is not blocked.
2. Verify the Strike Wire Feed Speed set
correctly.
3. Verify the correct weld schedule is
selected.
4. Verify voltage sense leads are proper-
ly connected and configured as
described in the instruction manual.
5. The DeviceNet tab of the Diagnostics
Utility displays the POWER WAVE®ʼs
“Analog Scans Between Updates” and
“I/O Scans/Sec.” Verify that “Analog
Scans Between Updates” is ¼ of “I/O
Scans/Sec” value.
6. From the DeviceNet tab of the
Diagnostics Utility, select Configure.
Verify in “Analog Input Channels” that
the Hysteresis settings are all 0.
7. Verify all analog input values are with-
in limits.
8. From the DeviceNet tab of the
Diagnostics Utility, select Monitor.
Verify under “Analog Input Fan Out”
that Burnback is present for all
analogs in.
9. Verify Gas is being turned on before
the output.