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Maintenance; Troubleshooting - Weldclass Promax 180 Operating Manual

Electronic welding helmets

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6 / MAINTENANCE

The helmet and ADF must be checked regularly. Defective equipment should not
be used. Parts that are broken, missing, worn, distorted or contaminated, should be
replaced immediately.
a. Inspect lenses frequently. Immediately replace any scratched, cracked, or pitted
lenses as they may impair visibility and reduce protection.
b. Inspect Helmet Shell and Harness Assembly frequently. Replace any damaged or
worn components immediately.
c. Keep the Sensors and the Solar Panel clean at all times. When cleaning the Welding
Helmet or Filter Lens do not use solvents or abrasive cleaning agents. Clean with a
soft cloth after use.

7 / TROUBLESHOOTING

7 / TROUBLESHOOTING
FAULT
The Filter Lens does not
activate at all (fails to darken)
The Filter Lens flickers or
intermittently fails to darken
Filter lens is dark when no arc
is present or stays dark after
the weld is extinguished
Batteries discharge very
quickly
POSSIBLE CAUSES
Weld/Grind switch is switched to
'Grind'
Batteries are discharged
Batteries are not fitted correctly
Battery or terminals are dirty
Front Cover Lens is dirty or
scratched & is obstructing the
sensors
Sensors are dirty
Sensitivity too low
Momentary disruption to sensing
of the arc
Ambient light level is too bright
Sensitivity too high
Lens is being activated by other
light sources when not in use.
POSSIBLE REMEDY
Switch to 'Weld'
Replace Batteries
Check batteries (see section 4)
Inspect & clean battery/terminals
Replace cover lens
Clean the Sensors with a soft cloth
Increase sensitivity level
Increase delay time adjustment (will
help compensate for
momentary disruptions)
Reduce the ambient light level in
the area
Reduce sensitivity level
Switch to 'Grind' when not in use.

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This manual is also suitable for:

Promax 500Promax 350Promax 200