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M1.1.PROTECT930.NLFREN - 22112019
M1.1.PROTECT930.NLFREN - 22112019
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7 Filter, protection plates assembling and disassembling procedure
7 Filter, protection plates assembling and disassembling procedure
1
Figure 4
Figure 4
8 Common problems and remedies
8 Common problems and remedies
Problem
Problem
Irregular darkening dimming
Irregular darkening dimming
Auto-darkening filter does not darken or
flickers
Slow response
Slow response
Poor vision
Poor vision
Welding helmet slips
Welding helmet slips
WARNING!
WARNING!
Operator must stop using the auto-darkening filter welding helmet immediately if the above-
mentioned problems cannot be corrected. Contact the dealer.
mentioned problems cannot be corrected. Contact the dealer.
2
Cause
Cause
Headband has been set unevenly and
Headband has been set unevenly and
there is an uneven distance from the
there is an uneven distance from the
eyes to the filter's lens
Front cover lens is soiled or damaged
Front cover lens is soiled or damaged
Sensors are soiled
Sensors are soiled
Welding current is too low
Welding current is too low
Operating temperature is too low
Operating temperature is too low
Front/inside cover lens and/or filter lens
are soiled
are soiled
There is insufficience ambient light
Shade number is incorrectly set
Shade number is incorrectly set
Headband is not adjusted properly
Headband is not adjusted properly
3
Solution
Reset the headband to reduce the
difference to filter
Change the cover
Clean the sensor's surface
Adjust sensitivity to high
Do not use at temperature below -5 °C
Change lens
Reset the shade number
Readjust headband
15
15
Solution
Reset the headband to reduce the
Change the cover
Clean the sensor's surface
Adjust sensitivity to high
Do not use at temperature below -5 °C
Change lens
Reset the shade number
Readjust headband
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