Operation - Bosch Nyon BUI350 Owner's Manual

English – 12
Setting up the eBike system
Requirements
The eBike system can only be activated when the fol-
lowing requirements are met:
– A sufficiently charged eBike battery is inserted (see
battery operating instructions).
– The on-board computer is properly inserted in the
holder.
– The battery of the on-board computer must be suf-
ficiently charged.
Switching the eBike system on/off
The following options are available for switching on
the eBike system:
– Once the on-board computer and the eBike battery
are fitted, briefly press the on/off button (3) on the
on-board computer.
– With the on-board computer inserted, press the
on/off button on the eBike battery (bicycle manu-
facturer-specific solutions are possible when there
is no access to the battery on/off button; see the
operating instructions from the bicycle manufac-
turer).
The drive is activated as soon as you start pedaling
(except for in the push assistance function or with the
assistance level OFF). The motor output depends on
which assistance level is set on the on-board com-
puter.
As soon as you stop pedaling when in normal opera-
tion, or as soon as you have reached a speed of
20/28 mph, the eBike drive unit switches off the as-
sistance. The drive is automatically re-activated as
soon you start pedaling again and the speed is below
20/28 mph.
The following options are available for switching off
the eBike system:
– Press the on/off button (3) of the on-board com-
puter for at least three seconds.
1 270 U20 BN2 | (19.05.2020)

Operation

– Switch off the eBike battery using its on/off button
(some bicycle manufacturer-specific solutions pre-
vent access to the battery on/off button; see the bi-
cycle manufacturer operating instructions).
Note: This will place the Nyon (BUI350) into
standby mode.
– Remove the on-board computer from its holder.
If no power is drawn from the eBike drive for about
10 minutes (e.g. because the eBike is not moving)
and no button is pressed on the on-board computer
or the operating unit of the eBike, the eBike system,
and therefore also the battery, will switch off auto-
matically to save energy.
This will place the Nyon (BUI350) into standby
mode.
Standby mode
You can put your on-board computer in standby
mode, which allows the on-board computer and sys-
tem to start up quicker when required.
The standby mode can be activated as follows:
– Press and hold the on/off button (3) of the on-
board computer for 1 to 3 seconds, making sure
not to exceed 3 seconds.
– Wait for 10 minutes until the system switches off.
– Switch off the rechargeable battery via the on/off
button of the battery.
Standby mode is ended if you press and hold the on/
off button (3) of the on-board computer for 1 second.
Standby mode is ended and the on-board computer
switches off automatically if the state of charge of the
on-board computer battery is less than 75 %. In any
event, the on-board computer will be switched off at
the latest when its internal clock reaches midnight
(00:00).
If Nyon (BUI350) cannot be switched on or does not
work properly, press and hold the on/off button (ap-
prox. 15 s). This could rectify the error.
Bosch eBike Systems