Bosch Professional GSB 18V-90 C Original Instructions Manual page 12

12 | English
Temperature-dependent overload protection
When used as intended, the power tool cannot be over-
loaded. If the power tool is overloaded or not kept within the
permitted operating temperature range, the speed is re-
duced or the power tool is switched off. The power tool will
not run at full speed again until the permitted operating tem-
perature has been reached.
Activation of the temperature-controlled overload protector
is indicated by the LED (15) on the power tool lighting up
red.
– To return to within the permitted operating temperature
range, run the power tool at no load or wait until the
LED (15) lights up green again.
When the LED (15) lights up green, the tool has returned to
within the permitted operating temperature range.
User Interface (see figure D)
The user interface (9) is used to activate and deactivate the
precision clutch and for the "KickBack Control" rapid shut-
off, as well as for the status indicator of the power tool.
Precision Clutch
The precision clutch stops overlocking
when the set torque is reached, thereby re-
ducing clutch wear and the resulting noise.
The precision clutch can be deactivated on the
user interface (9) with the precision clutch button (19). The
Status Indications
Status indicator for Meaning/cause
power tool
Green Status OK
Yellow Critical temperature has been reached, re-
chargeable battery is almost empty, or KickBack
Control is switched off
Illuminated red Power tool has overheated or rechargeable bat-
tery is empty
Flashing red Rapid shut-off is triggered
Flashing blue Power tool is connected to a mobile device or
settings are being transferred
Connectivity functions
In conjunction with the Bluetooth® Low Energy Module
GCY 42, the following connectivity functions are available
for the power tool:
– Registration and personalisation
– Status check, output of warning messages
– General information
– Management
– Switching the worklight on and off
– Setting the worklight brightness and afterglow duration
– Setting the brightness and backlight duration of the user
interface
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current status is shown via the LED for precision clutch (20)
on the user interface (9).
Rapid Shut-off (KickBack Control)
The rapid shut-off function (KickBack Con-
trol) gives the user greater control over the
power tool and offers them better protec-
tion than power tools that do not have Kick-
Back Control. The power tool will switch off if it suddenly
and unforeseeably rotates around the drilling axis.
The rapid shut-off is indicated by the LED (15) flashing red,
flashing from the worklight (18) and the LED of the KickBack
Control (16) lighting up red on the power tool.
To switch the tool back on, release the on/off switch and
then press it again.
It will no longer be possible to switch the power tool
u
on if the KickBack Control function is faulty. Have the
power tool serviced by a qualified repair person using
only original replacement parts.
The rapid shut-off function can be deactivated on the user
interface (9) with the KickBack Control button (17). If the
power tool is not used for longer than 5 minutes or if the re-
chargeable battery is removed, the rapid shut-off function
automatically switches back on. The current status is shown
via the KickBack Control LED (16) on the user interface (9).
Note: The warning light of the LEDs is not visible from
u
all directions! The warning light is difficult to see in
bright sunlight.
Solution
–
Run the power tool at no load and allow it to cool
down, replace or charge the rechargeable battery
soon, or press the KickBack Control button
Allow the power tool to cool down, or replace or
charge the rechargeable battery
Switch the power tool off and on again
–
Read the corresponding operating instructions for informa-
tion about the Bluetooth® Low Energy Module GCY 42.
Practical advice
The power tool with inserted Bluetooth
u
Module GCY 42 (accessory) is equipped with a radio
interface. Local operating restrictions, e.g. in aircraft
or hospitals, must be observed.
Only apply the power tool to the screw when the tool
u
is switched off. Rotating application tools can slip off.
Belt clip
You can use the belt clip (6) to hang the power tool on a belt,
for example. You then have both hands free and the power
tool is always at hand.
® Low Energy
Bosch Power Tools