Troubleshooting - Lincoln Electric VIKING 1740 Series Operator's Manual

Test your shade cartridge prior to welding by directing the front of the cartridge
toward a bright source of light. Then, using your fingers, rapidly cover and
uncover the sensors. The cartridge should darken momentarily as the sensor is
exposed. A torch striker can also be used.
PROBLEM
Filter does not darken when
TEST button is pushed
Difficult to see through filter.
Filter does not darken when
arc is struck.
Filter darkening without arc
being struck.
Filter remains dark after
completing a weld.
ADF is
cracked.
Weld spatter
is damaging
the filter.
TROUBLESHOOTING GUIDE
POSSIBLE CAUSE
Low Battery
Front cover lens dirty.
Cartridge dirty.
Sensitivity is set too low.
Front cover lens dirty.
Front cover lens is damaged.
Sensors are blocked or
Solar panel is blocked.
Grind Mode Selected
Sensitivity set too high.
Delay time set too high.
WARNING
Cease (STOP) using this product if this prob-
lem exists. UV/IR protection may be compro-
mised resulting in burns to the eyes and skin.
Missing, damaged,
broken, cracked or
distorted front cover
lens.
8
SOLUTION
Replace Battery
Clean or replace front cover lens.
Clean the Auto-Darkening cartridge
with soapy water solution and soft
cloth.
Adjust sensitivity to required level.
Clean or replace front cover lens.
Check for cracked or pitted front
cover lens and replace as required.
Make sure you are not blocking the
sensors or solar panels with your
arm or other obstacle while welding.
Adjust your position so that the sen-
sors can see the weld arc.
Make sure proper shade is selected.
Adjust sensitivity to required level.
Adjust delay time to required level.
Replace front cover lens as
needed.