Trouble Shooting - Johnson Theodolites 40-6936 Manual De Instrucciones

8863H-All_Manuals 3/19/15 3:25 PM Page 38

14. Trouble Shooting

• If the theodolite will not rotate, clean all debris from the base.
• If the theodolite will not turn on, confirm that the battery pack is securely
seated. Clean the battery terminals. Alkaline: Check the battery polarity or install
new alkaline batteries. Rechargeable: Attempt to recondition the batteries by
charging for 12-14 hours, unplug the unit and then turn the unit on until battery
runs out. Repeat this process 2-3 times.
• If the theodolite does not illuminate, confirm that the battery pack is securely
seated. Clean the battery terminals. Alkaline: Check the battery polarity or install
new alkaline batteries. Rechargeable: Attempt to recondition the batteries by
charging for 12-14 hours, unplug the unit and then turn the unit on until battery
runs out. Repeat this process 2-3 times.
• If the theodolite will not take a charge, confirm that the battery pack is securely
seated. Clean the battery terminals. Alkaline: Check the battery polarity or install
new alkaline batteries. Rechargeable: Attempt to recondition the batteries by
charging for 12-14 hours, unplug the unit and then turn the unit on until battery
runs out. Repeat this process 2-3 times.
• If the theodolite turns off after a short time, confirm that the battery pack is
securely seated. Clean the battery terminals. Attempt to recondition the
batteries by charging for 12-14 hours, unplug the unit and then turn the unit on
until battery runs out. Repeat this process 2-3 times.
• If the theodolite is out of calibration, follow the calibration procedure in the
user manual.
• If the theodolite will not calibrate, contact an authorized Johnson Service Center
or Johnson Level & Tool's Customer Service Center.
• If the keypad or vertical measuring mode will not work, rotate the telescope
360° to activate the keypad and the vertical measuring mode.
• If the telescope will not move, confirm that the telescope clamp is unlocked.
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