Troubleshooting - Bosch BDU336Y Owner's Manual

English – 12
Cause
Battery defective
Battery too warm or too cold
The charger is not charging.
Charging not possible (no indicator on battery)
Connector not attached properly
Battery contacts dirty
Socket outlet, cable or charger defective
Battery defective
0 275 U07 3CX | (17.03.2022)

Troubleshooting

Corrective measures
Two LEDs flash on the battery.
Contact an authorized bike dealership.
Three LEDs flash on the battery.
Disconnect the battery from the charger until the
charging temperature range has been reached.
Do not reconnect the battery to the charger until it has
reached the correct charging temperature.
No LEDs flashing (one or more LEDs will remain
permanently lit depending on the state of charge of
the eBike battery).
Contact an authorized bike dealership.
Check all connections.
Carefully clean the battery contacts.
Check the mains voltage, have the charger checked
over by a bike dealership.
Contact an authorized bike dealership.
Bosch eBike Systems