Lincoln Electric POWER WAVE I400 Operator's Manual page 51

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E-13
PROBLEMS
(SYMPTOMS)
Bad Weld Ending.
Bad Welding.
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
1. Burnback Disabled.
2. Burnback Time.
3. Analog Scans Between Updates.
4. Limit Error reported at the end of a
weld.
5. Fan Out.
6. Welding set points.
7. Analog Hysteresis.
8. Gas.
1. Analog Scans Between Updates.
2. Voltage Sense Leads.
3. Analog Hysteresis
POWER WAVE
CAUSE
1. From the DeviceNet tab of the
2. Verify that Burnback Time has a value
3. The DeviceNet tab of the Diagnostics
4. Verify all welding settings for
5. From the DeviceNet tab of the
6. Verify Burnback set points for work
7. From the DeviceNet tab of the
8. Verify Gas is turned on.
1. The DeviceNet tab of the Diagnostics
2. Verify voltage sense leads are proper-
3. From the DeviceNet tab of the
CAUTION
i400
®
RECOMMENDED
COURSE OF ACTION
Diagnostics Utility, select Monitor. The
Monitor window will be displayed.
Verify under the "State Enabled" that
"Burnback" is present.
other than 0.
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.
Burnback and Crater states.
Diagnostics Utility, select Monitor.
Verify under "Analog Input Fan Out"
that Burnback is present for all
analogs in.
point, trim, and wave values.
Diagnostics Utility, select Configure.
Verify in "Analog Input Channels" that
the Hysteresis settings are all 0.
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.
ly connected and configured as
described in the instruction manual.
Diagnostics Utility, select Configure.
Verify in "Analog Input Channels" that
the Hysteresis settings are all 0.
E-13
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