Bosch Professional GBH 18V-28 C Original Instructions Manual page 27

Battery charge indicator Meaning/cause
(user interface) (22)
Red (1 bar) Battery empty
Power tool status Meaning/cause
indicator (29)
Green Status OK
Yellow Critical temperature has been reached or re-
chargeable battery is almost empty
Red Power tool has overheated or rechargeable
battery is empty
Red Motor is jammed, battery too weak
General error
Flashing red Rapid shut-off is triggered
Flashing blue Power tool is connected to a mobile device via
Bluetooth
or
settings are being transferred
Smartphone symbol (28) Meaning/cause
white Important information available (e.g. temper-
ature warning)
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 with maximum ramp-
Maximum perform-
up speed.
ance indicator (27) lights up
In Favorite working mode, the performance and ramp-up speed of the power tool can be indi-
Speed config-
vidually configured via a smartphone app.
uration via smartphone app
indicator (23) lights up
In Soft working mode, the performance and ramp-up speed of the power tool are reduced.
Reduced perform-
ance indicator (24) lights up
Connectivity functions
System Requirements for Using the App
System Requirements
Mobile device (tablet,
smartphone)
Installing and Setting up the App
You will need to install the device-specific app before you
can use the connectivity functions.
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.
– Download the app from the corresponding app store
Android 6.0 (and newer)
iOS 11 (and newer)
Solution
Replace or charge battery
Solution
–
Allow the power tool to cool down, or replace
or charge the battery
Allow the power tool to cool down, or replace
or charge the battery
Charge the battery or use the recommended
battery type
– Turn the power tool off and on again, or re-
move 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
Read the message on the smartphone
(Apple App Store, Google Play Store).
Note: You will need to have a user account with the relev-
ant app store to do this.
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