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Troubleshooting
Symptom
or Display
code
Problem
Action
-O-
-U-
Target tempe-
rature is over or
underranged
Select target
within unit‘s
specs
EEPROM-Err
CalAreaErr
ProbCalEr
EEPROM error
calibration errors
Contact factory
Blank display Battery is dead
Replace Batteries
Laser won‘t
work
Low or dead
battery
Ambient above
45°C (113°F)
Replace batteries
Operate unit in
45°C (113°F)
ambient or below