Bosch Professional GBH 18V-34 CF Original Instructions Manual page 23

Temperature indicator (29) Meaning/cause
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
– In combination with the
rapid shut-off
indicator (24)
Flashing blue Power tool is connected to a mobile device or
settings are being transferred
Smartphone status Meaning/cause
indicator (28)
Green Additional information available (e.g. com-
mercial information)
Yellow Important information available (e.g. temper-
ature warning)
Red Operation-critical information available
(e.g. engine stop due to an error in the mi-
crontroller unit)
Selecting the working mode
Press the (26) button for selecting the working mode re-
peatedly until the working mode you require lights up.
Working mode (25) indic- Functions
ator
In Auto working mode, the power tool reaches maximum performance.
lights up
– "Hammer drilling" operating mode: Rapid increase in speed for controlled drilling up to
– "Chiselling" operating mode: Adaptive Speed Control
– Rapid shut-off (KickBack control)
Bosch Power Tools
Note: In Favourite working mode, the functions are con-
figured via the smartphone app, while the functions are pre-
set in Auto and Soft working modes.
100 % of the maximum speed
Solution
Leave the power tool to cool down or replace
overheated battery
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
–
Solution
If you are interested in this, read the message
on the smartphone
Read the message on the smartphone
Read the message on the smartphone imme-
diately
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