Lincoln Electric POWER WAVE 11124 - Manual (Page 59)

E-8 TROUBLESHOOTING E-8
POWER WAVE® AC/DC 1000
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
Bad Weld Starting 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.
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
properly connected and config-
ured as described in the instruc-
tion manual.
5. The DeviceNet tab of the
Diagnostics Utility displays the
Power Wave’s "Analog Scans
Between Updates" and "I/O
Scans/Sec." Verify that "Analog
Scans Between Updates" is 1/4
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
within 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.
DEVICENET-PLC CONTROLLED SYSTEM