Bosch error 610: Battery voltage error
The battery's voltage is outside the expected range. Most often the battery is deeply discharged after long storage; less often a cell group has failed. The system stops assistance to protect the pack.
| Drive system | Bosch BES2 & BES3 |
| Severity | Dealer needed |
| Keep riding? | Ride with caution |
| Typical cost | Free if a full charge fixes it; otherwise a replacement battery at 500-900 EUR/USD. |
Likely causes
- Deep discharge after months of storage without charging
- Weak or failed cell group inside the battery
- Charger fault leaving the battery under-charged
- Very cold battery reading low voltage
- BMS fault
How to fix Bosch error 610
- Switch off and remove the battery
- Charge fully on the original Bosch charger; a deeply discharged pack may take a while before the LED shows charging
- Let it reach room temperature
- Refit and restart
- If the charger will not charge it, or the code returns after a full charge, a dealer must test the pack with DiagnosticTool
Warranty: Bosch batteries carry a 2-year warranty (or 500 full charge cycles, whichever comes first); deep discharge from long storage is often classed as user damage.
Typical cost: Free if a full charge fixes it; otherwise a replacement battery at 500-900 EUR/USD.
Frequently asked
Can I reset Bosch error 610 myself?
Sometimes, by fully charging and restarting. A failed cell group cannot be reset.
Can I keep riding with error 610?
Usually, but with reduced or interrupted assistance and the risk of the system shutting down mid-ride. Ride home carefully or on muscle power alone; do not plan long rides until the cause is found.
Is error 610 covered by warranty?
Bosch batteries carry a 2-year warranty (or 500 full charge cycles, whichever comes first); deep discharge from long storage is often classed as user damage.
Related Bosch codes
Manuals and video
- Bosch eBike Help Center: official error-code index
- Bosch eBike downloads: quick start guides and battery guide
- Bosch eBike dealer search (DiagnosticTool readout)
Not an official Bosch document. Compiled from workshop experience and public service information; details can differ per system version and bike brand.