15
Troubleshooting
Cause Corrective Measure
Temperature warning indicator (a) flashing;
measurement not possible
Measuring tool not within the
temperature range between
+14°F and 104°F ( –10°C and
+40°C)
Wait until the measuring
tool has reached the
operating temperature
Battery low indicator (b) appears
Battery voltage decreasing
(measurement still possible)
Replace batteries
Battery low indicator (b) flashing; measurement not
possible
Battery voltage too low Replace batteries
All indicators on the display flashing
The measuring tool is defective Contact the Customer
Service