Lincoln Electric K4767-1 Operator's Manual page 10

PROBLEM
Difficult to see through
filter.
Filter does not darken
when arc is struck.
Filter darkening with-
out arc being struck.
Filter remains dark after
completing a weld.
ADF is
cracked.
Weld spatter
is damaging
the filter.
POSSIBLE CAUSE
Front cover lens dirty.
Cartridge dirty.
Sensitivity is set too low.
Front cover lens dirty.
Front cover lens is dam-
aged.
Sensors are blocked or
Solar panel is blocked.
Sensitivity set too high.
Delay set to 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
SOLUTION
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 re-
place as required.
Make sure you are not
blocking the sensors or
solar panels with your arm
or other obstacle while
welding. Adjust your posi-
tion so that the sensors
can see the weld arc.
Adjust sensitivity to required level.
Adjust to required level.
Replace front cover lens
as needed.