Trouble Shooting - Johnson 40-6645 Manual De Instrucciones

8369H-All_Manuals 10/3/14 1:57 PM Page 18

15. Trouble Shooting

• If the unit does not turn on, check the battery polarity or clean
battery terminals and install new alkaline batteries.
• If the laser does not illuminate, check the battery polarity or clean
battery terminals and install new alkaline batteries.
• If the unit is out of calibration less than 1/4" at 50', follow
calibration procedure in manual.
• If the unit is out of calibration more than 1/4" at 50', 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 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, clean the battery terminals
and install new alkaline batteries. Also, make sure that the on/off
knob is in the on position.
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