Tucker GmbH, Mail / Post: Max-Eyth-Str.1, 35394 Gießen, Germany
Stud welding unit N800i
As of 24.08.2021
Manual part number: BE 1227
10.2 Problems / Possible Cause / Solution
Major physical or
electrical damage is
evident when the
sheet metal covers are
removed.
• Contact your local authorized
Nelson Field Service Facility for
technical assistance
If all
recommended
misadjustment
have been
checked and the
problem persists,
con- tact your
local Nelson
Authorized Field
Ser- vice Facility.
Input fuses keep
blowing, or input
breaker keeps
tripping.
• Make certain that the fuses or
breakers are properly sized. See
rating section of the manual for
recommended fuse and breaker
size.
• Welding procedure is drawing too
much output current, or duty cycle is
too high. Reduce output current,
duty cycle, or both.
• There is internal damage to the
power source. Contact an
Authorized Nelson Field Service
Facility
Machine will not power
up (no lights)
• Make certain that the power switch
is in the "ON" position.
• The 1.5-amp fuses may have
opened. Check fuses.
Fuses are located inside the unit. 1.5A,
600V, Part-No. 715-039-001. See chapter
9.5 „Horizontal panel assembly“
Warning!
☞
Opening the welding unit may
only be carried out by an
authorised electrical specialist!
Machine wont weld,
can’t get any output
• If the displays are not lit refer to
• machine will not power up section.
• If the thermal symbol is lit refer to
the thermal section.
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