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8185H-English_Manuals 8/8/14 11:36 AM Page 16
15. Trouble Shooting
• If the unit does not turn on, check the battery polarity or install new
batteries and clean the battery terminals.
• If the laser does not illuminate, check the battery polarity or install new
alkaline batteries and clean the battery terminals.
• If the unit is out of calibration less than 1/2" at 35', follow calibration
procedure in manual.
• If the unit is out of calibration more than 1/2" at 35', contact an authorized
Johnson service center or Johnson Level & Tool's customer service
department.
• If the unit will not calibrate, contact an authorized Johnson service center or
Johnson Level & Tool's customer service department.
• If the unit beeps and/or flashes constantly, check to see if the unit is being
tilted to angles beyond the self-leveling range. If so, push the "horn" button
to engage manual mode. If the unit is being used for a level application,
place onto a surface that is within the self-leveling range. If it is still beeping
and/or flashing, the unit is out of calibration.
• If the unit turns off after a short time, install new alkaline batteries and
clean the battery terminals. Also, make sure that the on/off knob is in the
on position.
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©2014 Johnson Level & Tool - Rev. 3
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