-15-
Rectifying errors
Text display (e)
Problem
Corrective measure
PNK
Failed to estabish Bluetooth® connection
to the rotary laser GRL4000-90CHVG
Briefly press the on/off button on the
rotary laser to close the error message.
Restart the process for establishing the
connection.
If it is not possible to establish a
connection, please contact a Bosch
customer service agent.
ERR
Failed to calibrate the rotary laser
GRL4000-90CHVG
Read and observe the operating
instructions for the GRL4000-90CHVG
ERR
CenterFind mode or CenterLock mode failed
Press any button to close the error
message. Check the position of the
rotary laser and laser receiver before
restarting the function.
ERR and CL in
alternation
CenterFind mode cannot be started
because the rotary laser is already working
in CenterLock mode.
Select CenterFind mode on both laser
receivers and restart the function.
ERR and CF in
alternation
CenterLock mode cannot be started
because the rotary laser is already working
in CenterFind mode.
Start CenterLock mode on both laser
receivers and restart the function.
Function possible with LR 65 G and
GRL 650 CHVG
Rotary laser with green laser beam
(500–570 nm)
Battery charge indicator of the rotary laser
l
–
Direction indicators for the position of the laser beam
l
l
Relative height indicator
l
l
CenterFind mode
l
–
CenterLock mode
l
–
