19
20
5. TROUBLESHOOTING
Problem
Possible Cause
Solution
No Laser
Beam
Batteries are not inserted
Insert 3 x AA batteries
Incorrect battery polarity
Check battery polarity
Low charge or depleted
batteries
Replace with new batteries
Corroded battery terminals
Clean the battery terminals
Defective Instrument
Contact ToughBuilt
®
Customer Service
Fluctuating
Beam
Instrument tilted beyond its
± 4° self-leveling range
Reposition the instrument
Depleted batteries
Replace with new batteries
Temperature is too low or
too high
Allow the instrument to cool down
or warm up
Debris on the Laser Beam
Window
1
Clean the window with a damp lint-free cloth
Does Not
Self-Level
Instrument is placed on an
inclined surface (beyond ± 4°) Place the instrument on a level surface
Cannot
Power-OFF
Pendulum Switch
2
is in
the UNLOCK position.
Slide the Pendulum Switch
2
to the LOCK
position, then press the Power ON/OFF button
5
.
Out of Level
Laser Beam
Laser Beam out of leveling
calibration
Perform the accuracy check
(see the Accuracy check section)
5.
Position the instrument on the other side of the door opening directly behind
point b
. Allow
the instrument to self-level and ensure the vertical laser line aligns with
points a
and
b.
6.
Mark the center of the vertical line at the upper edge of the door opening
(point c2).
c2
c1
b
a
7.
Measure the distance between
points c1
and
c2
at the upper edge of the door opening
that indicates the actual deviation of the instrument from the vertical plane.
If the actual deviation is greater than the allowable deviation for the corresponding Ceiling
Hight in the table below, the instrument must be serviced.
Ceiling Height
Allowable Deviation
7' (2,1m)
± 1/32" (± 0,79mm)
16' (4,8m)
± 1/16” (± 1,6mm)
33' (10m)
± 3/16” (± 4,78mm)
Summary of Contents for TB-H2-LL-100-L2
Page 14: ...23 24...
