Tecmen Freflow V3 Manual page 13

WELDING HELMET OPERATING INSTRUCTION
Auto-Darkening welding helmets are designed to protect the eye and face from sparks,
spatter and harmful radiation under normal welding conditions.
automatically turn on when pick it up. The filter automatically changes from a light state to a
dark state when an arc is struck, and it returns to the light state when welding stops.
The Auto-Darkening welding helmet comes assembled. But before it can be used, it
must be adjusted to fit the user properly. Check battery surfaces and contacts and
clean it if necessary. Verify if the battery is in good condition and installed properly.
Set up for delay time, sensitivity and shade number for your application.
The helmet should be stored in dry, cool and dark area and remove the battery, when
not using it for a long time.
• Irregular Darkening Dimming
Headband has been set unevenly and there is an uneven distance from the eyes to the filter
lens. (Reset the headband to reduce the difference to the filter).
• Auto-Darkening filter does not darken or flickers
① Front cover lens is soiled or damaged (Change the cover lens).
② Sensors are soiled (Clean the sensors surface).
③ Welding current is too low (Adjust the sensitivity level to higher).
④ Check battery and verify they are in good condition and installed properly. Also, check
battery surfaces and contacts and clean if necessary.
• Slow response
Operating temperature is too low (Do not use at temperatures below -5°C or 23°F).
• Poor vision
① Front/inside cover lens and/or the filter is soiled (Change lens).
② There is insufficient ambient light.
③ Shade number is incorrectly set (Reset the shade number).
④ Check if removing the film on the front cover lens.
• Welding helmet slips
Headband is not properly adjusted (Readjust the headband).
COMMON PROBLEMS AND REMEDIES
The user must stop using the auto-darkening welding helmet immediately
if the above-mentioned problems cannot be corrected. Contact the dealer.
WARNING
WARNING
12
This auto darkening filter will