Troubleshooting - Bosch BDU336Y Owner's Manual

English – 14
The control unit shows whether critical errors or less
critical errors occur in the eBike system.
The error messages generated by the eBike system
can be read via the eBike Flow app or by your bicycle
retailer.
Via a link in the eBike Flow app, information about
the error and support for rectifying the error can be
displayed.
Less critical errors
Less critical errors are shown by the assistance level
LED (5) flashing orange. Pressing the select but-
ton (2) confirms the error and the assistance level
LED (5) once again continuously shows the color of
the set assistance level.
You can use the following table to rectify the errors
yourself if necessary. Otherwise, please contact your
bicycle retailer.
Number

Troubleshooting

523005 The indicated error numbers show that
there is interference when the sensors
514001
detect the magnetic field. See whether
514002
you have lost the magnet while riding.
514003
If you are using a magnet sensor, check
514006
that the sensor and magnet have been
properly installed. Make sure too that
the cable to the sensor is not damaged.
If you are using a rim magnet, make
sure that you do not have any magnetic
field interference in the vicinity of the
drive unit.
0 275 U07 3RL | (09.03.2022)
Troubleshooting
Critical errors
Critical errors are shown by the assistance level
LED (5) and the battery charge indicator (3) flashing
red. If a critical fault occurs, follow the handling in-
structions on the following table.
Number
660001
660002
890000
Handling instructions
Do not charge the battery and do not
continue to use!
Please contact your Bosch eBike spe-
cialist retailer.
– Acknowledge the error code.
– Restart the system.
If the problem persists:
– Acknowledge the error code.
– Perform the software update.
– Restart the system.
If the problem persists:
– Please contact your Bosch eBike spe-
cialist retailer.
Bosch eBike Systems