18 | English
2 609 141 148 | (24.1.14) Bosch Power Tools
Indication “>60°” or “<–60°” on the display
The inclination measuring range
for the measuring mode and/or
the reference plane has been ex-
ceeded.
Carry out the measure-
ment within the specified
angle range.
“CAL” and “ERROR” indication in the display
The calibration of the grade
measurement was not carried
out in the correct sequence or in
the correct positions.
Repeat the calibration ac-
cording to the instructions
on the display and in the
operating instructions.
The surfaces used for the cali-
bration were not accurately
aligned (horizontal or vertical).
Repeat the calibration on a
horizontal or vertical sur-
face; if required, check the
surface first with a level.
The measuring tool was moved
or tilted while pressing the but-
ton.
Repeat the calibration and
hold the measuring tool in
place while pressing the
button.
Battery charge-control indicator (g), temperature warn-
ing (k) and “ERROR” indication in the display
Temperature of the measuring
tool not within the allowable
charge-temperature range
Wait until the charge-tem-
perature range is reached.
Battery charge-control indicator (g) and “ERROR” indi-
cation in the display
Battery charging voltage not
correct
Check if the plug-in con-
nection has been estab-
lished correctly and if the
battery charger is operat-
ing properly. When the unit
symbol is flashing, the bat-
tery is defective and must
be replaced by a Bosch af-
ter-sales service.
Bluetooth® cannot be activated
The battery is too low. Charge the measuring
tool's battery.
Cause Corrective Measure
No Bluetooth® connection
Failure of the Bluetooth®
connection
Check the application on
your mobile terminal/de-
vice.
Check if Bluetooth® is acti-
vated on your measuring
tool and mobile terminal/
device.
Check your mobile termi-
nal/device for overload.
Reduce the distance be-
tween measuring tool and
your mobile terminal/de-
vice.
Avoid obstructions (e.g.,
reinforced concrete, metal
doors) between measuring
tool and your mobile termi-
nal/device. Observe clear-
ance to electromagnetic
disturbances (e.g., WLAN
transmitters).
Data transmission via USB interface not possible
Software error Make sure that the soft-
ware runs correctly on
your computer or note-
book. For further informa-
tion, please refer to the
Bosch website at
www.bosch-pt.de
Micro USB cable Check the proper and tight
seating of the micro USB
cable.
Check the micro USB cable
for damage.
Battery charge-control indicator (g) or prolonged charge
duration indication n on the display
Charge duration clearly too
long, as charging current too
low.
Only use the original Bosch
charger.
Measuring result not plausible
The target surface does not re-
flect correctly (e.g. water,
glass).
Cover off the target sur-
face
The laser beam outlet 18 or the
reception lens 17 are covered.
Make sure that the laser
beam outlet 18 or the re-
ception lens 17 are unob-
structed
Wrong reference level set Select reference level that
corresponds to measure-
ment
Obstruction in path of laser
beam
Laser point must be com-
pletely on target surface.
Cause Corrective Measure
OBJ_BUCH-2007-002.book Page 18 Friday, January 24, 2014 10:46 AM
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