8. Trouble Shooting
Problem
Possible Cause/Solution
Out of level
alert – unit won’t
self level
- Check that instrument is within 5ºof
level, before switching on
- Check that manual level switch is not on
- Check that unit hasn’t been bumped
or moved
Low battery light
flashing. No power,
unit won’t operate
- Re-charge batteries
- If batteries are fully charged and still
won’t operate, open battery terminals
and check terminals are clean and
polarity correct
- Batteries may need replacing if over
charged too often
Out of level and
battery light on.
Instrument not
working properly
- Environment and direct sunlight may
be too harsh and instrument can’t
operate without damaging the laser
- Place unit in shaded area and below
50ºC
Receiver not
working or
functioning properly
- Check receiver batteries. Change if
necessary
- Check that receiver is within working
range. 250m radius from unit
- Check that windows of the laser are
not obstructed and are clean and free
of dust
Remote Control not
working
- Check remote control batteries
- Check that remote is in working
range of the unit (20m outdoors 30m
Indoors)
- Check that instrument is turned on