Switching Bike Lights On/Off; Error Code Display - Bosch Nyon BUI275 Original Operating Instructions

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After releasing the + button, the push-assistance function re-

mains on standby for another 3 seconds. Pressing the + but-

ton again within this period will reactivate the push-assist-

ance function.

Note: On some systems, the push assistance can be started

directly by pressing the WALK button.

Note: The push assistance cannot be activated at assistance

level OFF.

Switching bike lights on/off

On the model in which the lighting is powered by the eBike

system, the front and rear lights can be switched on and off

at the same time via the on-board computer using button

(6).

The lighting symbol s1 is displayed when the light is on.

Switching the bike lights on and off has no effect on the

backlighting of the display.

Code

Cause

410

One or more buttons of the on-board com-

puter are disabled.

414

Operating unit connection problem

418

One or more buttons on the operating unit

are disabled.

419

Configuration error

422

Drive unit connection problem

423

eBike battery connection problem

424

Communication problem between com-

ponents

426

Internal time-out error

430

Internal battery of the on-board computer

is flat

431

Software version error

440

Internal drive unit fault

450

Internal software error

460

Error at USB port

490

Internal fault of the on-board computer

500

Internal drive unit fault

502

Bike light fault

503

Speed sensor fault

510

Internal sensor fault

Bosch eBike Systems

eShift (optional)

eShift is the integration of electronic gear-shifting systems

into the eBike system. The eShift components are electric-

ally connected to the drive unit by the manufacturer. The

separate operating instructions describe how to operate the

electronic gear-shifting systems.

Error code display

The eBike system's components are continuously and auto-

matically monitored. If an error is detected, the correspond-

ing error code is displayed on the on-board computer.

The drive may be automatically shut down, depending on the

type of error. However, if you wish to continue cycling, you

will always be able to do so without assistance from the

drive. Before undertaking any other journeys, the eBike

should be checked.

Have all repairs performed only by an authorised bike

dealer.

Corrective measures

Check whether any buttons are stuck, e.g. as a result of dirt finding

its way in. Clean the buttons if need be.

Have the connections checked

Check whether any buttons are stuck, e.g. as a result of dirt finding

its way in. Clean the buttons if need be.