Johnson 40-6526 - Page 23

©2019 Johnson Level & Tool - Rev. 3 23
Symptom
Detector not working
Possible Cause
Detector batteries
depleted
Detector not powered on
Unit not powered on
Solution
Replace batteries
Power on detector
Power on unit
Unit not accurate
Slope mode is engaged
Loss of calibration
Exit slope mode
Unit needs to be
calibrated by a qualified
service technician
Laser beam appears
dim or does not
illuminate
Batteries nearing
depletion
In direct sunlight or
bright ambient lighting
Replace batteries
Use a detector when
exceeding 100
′ indoors,
when using indoors with
bright or fluorescent
light, or when using
outdoors
English 2019_Manuals 3/27/19 10:24 AM Page 23