11. TROUBLESHOOTING
73
Laser beam emits
but grade setting is
not possible
1) The instrument is in lock mode.
2) The value entered is out of the
grade range.
3) When Level Warning Indicator
blinks, the instrument is tilted
beyond the self-leveling range
(laser blinks slowly).
4) Battery level is low.
1) Press the lock key on the
instrument to release the lock
function.
2) Grade entry must be in the
range of 15 to 40%.
3) Reposition the instrument until
the level warning indicator
disappears.
4) Recharge or replace the
batteries with new ones.
Laser beam emits
but line setting is not
possible.
1) The instrument is in lock mode.
2) The laser beam has reached the
limit of line adjusting range.
1) Press the lock key on the
instrument to release the lock
function.
2) Center the line adjustment and
aim instrument so laser is
roughly aimed at target.
Remote control does
not function.
1) The instrument is in lock mode.
2) The battery power of remote
control is low.
1) Press the lock key on the
instrument to release the lock
function.
2) Replace the batteries.
Conditions Causes Countermeasures
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