-19-
Troubleshooting
Cause Corrective Measure
Temperature warning indicator,
tool switches off automatically
Measuring tool not within the
operating temperature range
between +14°F and 113°F
(–10°C and +45°C)
Wait until the
measuring tool
has reached
the operating
temperature
Battery Low warning appears
big on screen
The tool will shut down
automatically and user needs
to replace batteries.
Replace batteries
Battery indicator (a) is empty and flashing : 15 min left
Battery voltage too low Replace batteries
In case of a fatal error an exclamation mark within
an octagon is shown and the tool switches off
automatically
The measuring tool is defective.
Contact the
Customer Service
160992A6EZ GLM100-23 202210.indd 19 10/4/22 10:19 AM