Troubleshooting - Topcon TP-L5GV Instruction Manual

11. TROUBLESHOOTING

Check to see the instrument referring to the error list or the following troubleshooting list when you
notice the failure of the instrument.
If the instrument can't be recovered or the failure isn't written in the following list, please contact your
local dealer.
Conditions
Laser beam does not
emit
Laser beam blinks
Causes
1) Battery level is low.
2) Improper connection to an
external power source (such as a
12 volt DC battery).
3)The laser is turned off because the
laser ON/OFF switch of the
remote controller is pushed.
1) When Level Warning Indicator
blinks, the instrument is tilted
beyond the self-leveling range
(laser blinks slowly).
2) Any shock or vibration to the unit
produces unstable condition
causing beam to blink.
1) Recharge or replace the
batteries with new ones.
2) Make sure connection is secure
and attached to correct
terminals.
3) Push the laser ON/OFF switch
of the remote controller, then the
laser is turned on.
1) Reposition the instrument until
the level warning indicator
disappears.
2) Eliminate the source of
disturbance to the unit.
72
Countermeasures