©2017 Johnson Level & Tool - Rev. 1 21
Symptom Possible Cause Solution
Laser light appears dim Batteries are weak
Improper battery type
Speed too high (indoor)
Ambient temperature
too high/low
Replace batteries
Ensure high quality
Alkaline batteries
are used
For indoor operation,
operate on lowest
speed to produce the
most visible beam
Ensure temperature is
within operating
range listed under
specifications
Laser will not calibrate Laser core parts may be
misaligned beyond the
limit of field calibration
Return to Johnson
dealer for service
Beam is difficult to
detect with laser
detector
Speed too low Turn laser onto high
speed
1658i-English_Manuals 1/11/17 11:50 AM Page 21
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