Miller Electric Digital Elitet manual Troubleshooting, To the clear state

Page 16

SECTION 9 − TROUBLESHOOTING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

 

 

Remedy

 

 

Auto lens not ON – auto-

Check batteries and verify they are in good condition and installed

lens does not darken mo-

properly.

mentarily when the On

Check battery surfaces and contacts, and clean if necessary.

button is pressed.

Check battery for proper contact and gently adjust 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 or cutting immediately: Make sure the lens is turned

stays light and does not

On.

darken when welding or

If power is On, check the mode settings. Also review sensitivity

cutting.

recommendations and adjust sensitivity if possible.

 

 

 

 

 

 

 

 

 

 

Clean lens cover and sensors of any obstructions. 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

Reduce Sensitivity setting (see Section 3-5). In extreme light con-

stays dark after the arc is

ditions, it may be necessary to reduce the surrounding light levels.

extinguished, or the auto-

. If the lens remains dark, press the On-Off button to return lens

lens stays dark when no

arc is present.

 

to the clear state.

 

 

Sections of the auto-lens

Stop welding or cutting immediately: The auto-lens may be

are not going dark, distinct

cracked which can be caused by the impact of dropping the hel-

lines separate the light and

met.

dark areas.

Weld spatter on the auto lens may also cause cracking. (The lens

 

 

 

 

 

 

 

 

 

 

may need to 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.

or cutting arc is present.

Check the lens cover for dirt and spatter that may be blocking the

 

 

 

 

 

 

 

 

 

 

arc sensors. Increasing 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.

dark-state, noticeable on

The optimum viewing angle is perpendicular or 90_ to the surface

the outside edges and cor-

of the auto-lens. When that angle of view varies in the dark-state,

ners.

welders may notice slightly 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.

 

 

 

 

 

 

 

 

OM-234 388 Page 14

Image 16
Contents OM-234 388B 2007−08 Table of Contents − Safety Precautions − Read Before Using Symbol UsageHazards ARC Rays can burn eyes and skin Noise can damage hearing− Specifications Met to ambient temperature before weldingAll shades provide continu Ous UV and IR protection− Operating Instructions Helmet ControlsOn-Off Button And Low Battery Indicator Mode Control Nearby welding may affect helVariable Shade Control Recommended Sensitivity Settings Sensitivity ranges for each mode are as followsGrind Mode − No sensitivity adjustment Sensitivity ControlLens Delay Control There is no lens delay adjust- ment in the Grind modeLens Adjustment Procedure Adjusting Lens Assembly− Adjusting Headgear Outside Lens Cover − Replacing the Lens CoversInside Lens Cover − Replacing the Battery − Installing Optional Magnifying Lens − MaintenanceTo prevent lens fogging, install Ward auto-darkening lens− Troubleshooting To the clear state− Parts List Miller770 Ratchet Headgear Assembly Includes Items 9 And 10 079 Replacement O-rings For Kit 770 248 5 Per Pkg 216Adjustment Hardware Kit With O-rings OM-234 388 216− Limited Warranty Effective January 1Miller Electric Mfg. Co Visit our website at