10
Carbon
arc
welding
14
Plate thickness, inches
< 1/8 4-5
1/8-1/2 5-6
Gas
welding
> 1/2 6-8
< 1 3-4
1-6 4-5
Oxygen
cutting
> 6 5-6
TROUBLESHOOTING
Condition Possible Solutions
Make sure the batteries are installed properly
Make sure the correct batteries are being used (CR2032)
ADF will not turn ON
Try replacing both batteries with new batteries, then checked the Low
Battery indicator
ADF shuts OFF and won’t
turn back on
Try replacing both batteries with new batteries, then checked the Low
Battery indicator
Check that the protective film has been removed from both sides (if
applicable) of the outer protection plate
Verify that the two sensors on the front of the ADF are not blocked by
weld spatter, hands, pipes or object being welded
Are you using the right 3M™ Speedglas™ ADF model? The 3M™
Speedglas™ Utility ADF is not recommended for welding processes other
than MIG (GMAW) and Stick (SMAW).
ADF does not trigger
reliably or turns light
intermittently while
welding
Review the sensitivity adjustment instructions and confirm that you are
using the appropriate setting for your type of welding process
ADF turns dark when
others are welding nearby
Reduce sensitivity. If this is still occurring at setting 1, use curtains or
other methods to block light from other welder's arcs.
ADF steadily pulsing
light/dark with no arc
present.
Check surrounding area for process or safety strobe lights. Strobe lights
can trigger ADFs from a long distance or by reflecting off ceilings.
Reflected light from strobes not visible to the eye may be strong enough to
trigger the ADF.
ADF is “blurry” Check that the protective film has been removed from both sides (if
applicable) of the outer protection plate
ADF has spatter bonded to
the outside and/or inside
glass surface
ADF is permanently damaged and not covered by warranty. Always use
outside and inside protection plates.
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