User Interface (See Figure J) - Bosch GBH 18V-34 CF Professional Manual Original

12 | English
Switch the power tool off immediately and remove the
u
application tool if the power tool becomes blocked.
Switching on when the drilling tool is blocked may
cause high torque reactions.
Rapid shut-off (KickBack Control)
The rapid shut-off function (KickBack
Control) gives the user greater control
over the power tool and offers them bet-
ter protection than power tools that do
not have KickBack Control. If the power
tool suddenly and unforeseeably rotates
around the drilling axis, it will switch off
and the rapid shut-off indicator (24) will
light up and the worklight (14) will flash.
When rapid shut-off is activated, the
status indicator (27) flashes red.
Status indications
Battery charge indicator Meaning/cause
(user interface) (23)
Green (2 to 5 bars) Battery charged
Yellow (1 bar) Battery almost empty
Red (1 bar) Battery empty
Temperature indicator (29) Meaning/cause
Yellow Operating temperature of the battery or the
power tool has significantly increased, per-
formance is reduced
Red Operating temperature of the battery or the
power tool has been exceeded, power tool
switches itself off as a precautionary measure
Power tool status Meaning/cause
indicator (27)
Green Status OK
Yellow Critical temperature has been reached or bat-
tery is almost empty
Red Power tool has overheated or battery is empty Allow the power tool to cool down, or replace
Red Lock-on button pressed in "hammer drilling"
operating mode
Combi-switch activated during operation
Motor is jammed, battery too weak
General error
Flashing red Rapid shut-off is triggered
1 609 92A 5JT | (13.10.2020)
– To switch the tool back on, release the on/off switch
(11) and then press it again.
Electronic Precision Control (EPC)
EPC assists you when working with impact by ensuring slow
start-up of the operating speed for precise working.
Adaptive Speed Control in "Chiselling" Operating Mode
For better control and precise position-
ing, the power tool starts at a low speed
and then quickly increases to the max-
imum speed.
Adapted Speed Control is started up
automatically when the power tool is
switched on.
User Interface (see figure J)
The user interface (19) is used to select the working mode
and to indicate the status of the power tool.
Solution
–
Replace or charge battery soon
Replace or charge battery
Solution
Run the power tool at no load and allow it to
cool down or replace the overheated battery
Leave the power tool to cool down or replace
overheated batteries
Solution
–
Run the power tool at no load and allow it to
cool down, or replace or charge the battery
soon
or charge the battery
Press the lock-on button again
Turn the power tool off and on again
Charge the battery or use the recommended
battery type
– Switch the power tool off and on again, or
remove the battery and reinsert it
If the error persists:
– Send the power tool to the after-sales ser-
vice
Turn the power tool off and on again
Bosch Power Tools