Nelson N800i - Welding Problems

N1500i FACS Manual
68
Part No. 729-110-053 V.1.03 © 2018 Nelson Stud Welding, Inc. All rights reserved.
8.3 Welding Problems
Problems
Possible Cause
Solution
Poor welding, weld
l
Make sure the machine settings are
correct for the weld process being
used.
l
Check for loose or faulty welding
cables.
settings drift, or
output power is low
If all recommended
Poor
welding
performance
l
Check for loose or faulty welding
cables.
l
Make sure the machine settings are
correct for the weld process being
used.
l
Are input cables correct size? (See
table 4.3.4)
adjustments
have been
checked and the
problem persists,
contact your local
Nelson Authorized
The thermal light and
fan keep turning on
and off
l
Check the input voltage section
l
Check for blockage of vents, which
restricts air flow into or out of the
machine.
l
Blow air in the rear louvers to
remove dirt from around fan.
Field Service
Facility.
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are
unable to person the tests/repairs safely, contact your Local Nelson
Authorized Field Service Facility for technical troubleshooting
assistance before you proceed.
Warning!
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