optris LS – E2006-01-A 
36 
 
Factory default settings 
 
The unit has the following presettings at the time of delivery: 
 
Emissivity:  0,950    Lock:   Off 
Optics:   SF    Buzzer:   On 
High alarm:  900°C/ deactivated  Laser:   On 
Low alarm:    -35°C/ deactivated   Display backlight:  On 
Temperature unit: °C    Display turn:  Auto 
 
The Reset function will set the unit back to these default values (exception: optics). 
 
 
Troubleshooting 
 
Display    Problem      Action  
 
temperature reading: LLLL  object temperature below    choose target within 
    measurement range    measuring range 
 
temperature reading: HHHH  object temperature above    choose target within 
    measurement range    measuring range 
 
battery symbol is on or    low batteries          check/ replace batteries 
flashing 
 
blank display   empty batteries     check/ replace batteries 
          immediately 
 
laser does not work  low batteries/     see above 
    laser deactivated     activate the laser