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Safety Instructions; Specifications; Product Features - Bosch Purion BUI210 Original Operating Instructions

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Safety instructions

Read all the safety information and in-
structions. Failure to observe the safety in-
formation and follow instructions may result
in electric shock, fire and/or serious injury.
Save all safety warnings and instructions for future ref-
The term battery is used in these instructions to mean all
original Bosch eBike rechargeable battery packs.
Do not allow yourself to be distracted by the on-board
computer's display. If you do not focus exclusively on
the traffic, you risk being involved in an accident. If you
want to make entries in your on-board computer other
than switching the assistance level, stop and enter the ap-
propriate data.
Read and observe the safety warnings and directions
contained in all the eBike system operating instruc-
tions and in the operating instructions of your eBike.
Product description and


Intended use
The Purion on-board computer is designed to control Bosch
eBike systems and display riding data.
In addition to the functions shown here, changes to software
relating to troubleshooting and functional enhancements
may be introduced at any time.

Product features

The numbering of the components shown refers to the illus-
trations on the graphics pages at the beginning of the
Individual illustrations in these operating instructions may
differ slightly from the actual conditions depending on the
equipment of your eBike.
(1) On/off button for on-board computer
(2) Push assistance button WALK
(3) Fastening screw for on-board computer
(4) Holder for on-board computer
(5) Decrease assistance level button –
(6) Increase assistance level button +
(7) Display
(8) Protective cap for USB port
(9) USB diagnostic port (for servicing purposes only)
(10) Battery compartment cover
Display elements of on-board computer
(a) Speedometer
(b) km/h unit indicator
(c) mph unit indicator
(d) Total distance indicator TOTAL
Bosch eBike Systems
(e) Range indicator RANGE
(f) Service indicator
(g) Battery charge indicator
(h) Illumination indicator
(i) Assistance level indicator/value indicator
(j) Trip distance indicator TRIP
Technical data
On-board computer
Product code
Operating temperature
Storage temperature
Protection rating
Weight, approx.
A) We recommend using the batteries offered by Bosch. You can
purchase them from your bicycle dealer
(article number: 1 270 016 819).
B) When the USB cover is closed
The Bosch eBike system uses FreeRTOS
Symbols and their Meaning
Short button press (less than 1 second)
Medium button press (between 1 second
and 2.5 seconds)
Long button press (longer than
2.5 seconds)
The eBike system can only be activated when the following
requirements are met:
– A sufficiently charged battery is inserted (see battery op-
erating instructions).
– The speed sensor is connected properly (see drive unit
operating instructions).
Switching the eBike system on/off
The following options are available for switching on the
eBike system:
– Press the on/off button (1) of the on-board computer
with the eBike battery inserted.
– Press the on/off button of the eBike battery (see battery
operating instructions).
English – ​ 1
2 × 3 V CR2016
IP 54 (dust and splash
1 207 020 XBP | (14.05.2018)


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