Hobart Welding Products XVX manual Troubleshooting

SECTION 9 − TROUBLESHOOTING

Trouble		Remedy
Auto lens not ON – auto-	Check batteries and verify they are in good condition and installed
lens will not darken mo-	properly. Also, check battery surfaces and contacts and clean if
mentarily when the Reset	necessary. Check battery for proper contact and gently adjust
button is pressed.	contact points if necessary. This is particularly important if the
	helmet has been dropped. Verify left and right battery trays are
	installed on the correct sides.
Not switching – auto-lens	Stop welding immediately: Press the Reset button if lens is Auto-
stays light and will not	On type. If lens if Manual-On type, make sure the lens is turned
darken when welding.	On. If power is on, review the sensitivity recommendations and
	adjust sensitivity. Clean lens cover and sensors of any obstruc-
	tions. Make sure the sensors are facing the arc; angles of 45_ or
	more may not allow the arc light to reach the sensors.
Not Switching – auto-lens	Fine-tune the sensitivity setting by making small adjustments to
stays dark after the weld	the control by turning it toward the “min” setting. In extreme light
arc is extinguished, or the	conditions, it may be necessary to reduce the surrounding light
auto-lens stays dark when	levels.
no arc is present.
Sections of the auto-lens	Stop welding immediately: The auto-lens may be cracked which
are not going dark, distinct	can be caused by the impact of dropping the helmet. Weld spatter
lines separate the light and	on the auto lens may also cause cracking. (The lens may need to
dark areas.	be replaced; most cracked lenses are not covered by warranty).
Switching or Flickering –	Review the sensitivity setting recommendations and increase the
the auto-lens darkens then	sensitivity if possible. Be sure the arc sensors are not being
lightens while the welding	blocked from direct access to the arc light. Check the lens cover
arc is present.	for dirt and spatter that may be blocking the arc sensors. Increas-
	ing Lens Delay 0.1 − 0.3 second may also reduce switching.
Inconsistent or lighter	Referred to as an angle of view effect, auto-darkening lenses
auto-lens shading in the	have an optimum viewing angle. The optimum viewing angle is
dark-state, noticeable on	perpendicular or 90_ to the surface of the auto-lens. When that
the outside edges and cor-	angle of view varies in the dark-state, welders may notice slightly
ners.	lighter areas at the outside edges and the corners of the lens. This
	is normal and does not represent any health or safety hazard.
	This effect may also be more noticeable in applications where
	magnifying lenses are used.

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