Bosch GRL4000-90CHVG - Page 35

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− Change the rechargeable or non-rechargeable batteries
as necessary.
−/PNK
− Unsuccessful attempt to
connect to the mobile
device
− Laser level is at a slant
of more than 8.5% or is not
in the correct horizontal or
vertical position.
Reposition the laser level, so that it is either in the
horizontal or vertical position. The re-leveling will start
automatically.
− Maximum leveling time is
exceeded.
Reposition the laser level, so that it is in either the
horizontal or vertical position. Briefly press the on/off
button (11) to restart leveling.
− Change between the hori-
zontal and vertical position
without switching the
laser level on/off
Briefly press the on/off button(11) to restart leveling.
ERR
Unsuccessful calibration
of the X-axis
ERR
Unsuccessful calibration
of the Y-axis
− Unsuccessful calibration
of the Z-axis
ERR
Unsuccessful CenterFind
mode in relation to the
X-axis
Press any button to close the error message. Check whether
the laser level has been set up correctly. The laser receiver
must be situated within the pivoting range of ±8.5 % of the
laser level. Restart the mode.
ERR
Unsuccessful CenterFind
mode in relation to the
Y-axis
Press any button to close the error message. Check whether
the laser level has been set up correctly. The laser receiver
must be situated within the pivoting range of ±8.5 % of the
laser level. Restart the mode.
ERR
Unsuccessful CenterLock
mode in relation to the
X-axis
Press any button to close the error message. Check whether
the laser level and the laser receiver have been set up
correctly. The laser receiver must be situated within the
pivoting range of ±8.5 % of the laser level. Restart the mode.
ERR
Unsuccessful CenterLock
mode in relation to the
Y-axis
Press any button to close the error message. Check whether
the laser level and the laser receiver have been set up
correctly. The laser receiver must be situated within the
pivoting range of ±8.5 % of the laser level. Restart the mode.
Rectifying errors
Rotary laser
display
indicator
Problem Corrective measure
− Adjust the laser level to the ambient temperature be-
fore switching it on. Then check the measuring accuracy
and calibrate the laser level if required.
Cancel the calibration with by pressing the button for
line operation (5). Ensure that the receiving field of the
laser receiver is perpendicular to the X-axis of the laser
level. Restart the calibration.
Cancel the calibration with by pressing the button for
line operation (5). Ensure that the receiving field of the
laser receiver is perpendicular to the Y-axis of the laser
level. Restart the calibration.
Cancel the calibration with by pressing the button for
line operation (5). Check that the laser level is
aligned correctly and restart calibration.
Automatic shut-down
(operating temperature
exceeded)
Unsuccessful attempt to
connect to the remote
control (41) or the laser
receiverZ
Laser
receiver
display
indicator
Automatic shut-down
(empty batteries or
rechargeable battery)
Briefly press the on/off button(11). Start the connection
process again (see "Establishing a connection to the
remote control/laser receiver", page 20).
If it is not possible to establish a connection, please
contact a Bosch customer service agent.
Briefly press the on/off button(11). Start the connection
process again (see "Remote control via the Bosch
Leveling Remote App", page21).
If it is not possible to establish a connection, please
contact a Bosch customer service agent.
www.calcert.com sales@calcert.com1.800.544.2843
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