-37-
Cause
The laser beam outlet 17 or the
reception lens 18 are misted up
(e.g. due to a rapid temperature.
change).
999999 ft/ft
2
/ft
3
is displayed in
result line c
Corrective Measure
Wipe the laser beam outlet 17 and/
or the reception lens 18 dry using a
soft cloth.
Divide calculation into intermediate
steps.
Cause
The calibration of the angle
measurement was not carried out
in the correct sequence or in the
correct positions.
The surfaces used for the
calibration were not
accurately aligned (horizontal or
vertical).
The measuring tool was moved or
tilted while pressing the button.
Corrective Measure
Repeat the calibration according to
the instructions on the display and
in the operating instructions.
Repeat the calibration on a
horizontal or vertical surface; if
required, check the surface first
with a level.
Repeat the calibration and hold
the measuring tool in place while
pressing the button.
“CAL” and “ERROR” indication in the display
Battery charge-control indicator (g), temperature warning (k) and
“ERROR” indication in the display
Cause
Temperature of the measuring
tool not within the allowable
temperature range.
Corrective Measure
Wait until the allowable temperature
range is reached.
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