Lincoln Electric POWER WAVE I400 Operator's Manual page 49

E-11
PROBLEMS
(SYMPTOMS)
Output will not come on.
Bad Weld Starting.
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.
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE
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
POWER WAVE
CAUSE
6. Verify no other modules are faulted
1. Verify Feeders drive roll tension is not
2. Verify the Strike Wire Feed Speed set
3. Verify the correct weld schedule is
4. Verify voltage sense leads are proper-
5. The DeviceNet tab of the Diagnostics
6. From the DeviceNet tab of the
7. Verify all analog input values are with-
8. From the DeviceNet tab of the
9. Verify Gas is being turned on before
CAUTION
i400
®
RECOMMENDED
COURSE OF ACTION
(all system Status Lights should be
steady green). Use Diagnostics Utility
to display any current faults in the sys-
tem.
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.
correctly.
selected.
ly connected and configured as
described in the instruction manual.
Utility displays the POWER WAVE
"Analog Scans Between Updates" and
"I/O Scans/Sec." Verify that "Analog
Scans Between Updates" is ¼ of "I/O
Scans/Sec" value.
Diagnostics Utility, select Configure.
Verify in "Analog Input Channels" that
the Hysteresis settings are all 0.
in limits.
Diagnostics Utility, select Monitor.
Verify under "Analog Input Fan Out"
that Burnback is present for all
analogs in.
the output.
E-11
ʼs
®