TL;DR Bosch error code 640 indicates an internal battery fault. Official guidance: restart the system; if it persists, contact your Bosch eBike dealer. Do this first: 1. Restart the system (off → wait 10–20 seconds → on). 2. Reseat the battery (remove → reinsert) and restart if it returns. 3. If it persists, contact a…
TL;DR Bosch error code 603 indicates an internal battery fault. Official guidance: restart the system; if it persists, contact your Bosch eBike dealer. Do this first: 1. Restart the system (off → wait 10–20 seconds → on). 2. Reseat the battery (remove → reinsert) and restart if it returns. 3. If it persists, contact a…
TL;DR Bosch error code 593 indicates a configuration error. Official guidance: restart the system; if it persists, contact your Bosch eBike dealer. Do this first: 1. Restart the system (off → wait 10–20 seconds → on). 2. If you recently changed a display/battery/component, note what changed (helps dealer diagnostics). 3. If it persists, contact a…
TL;DR Bosch error code 430 means the internal battery of the on-board computer is flat (Bosch notes this does not apply to BUI350). Official guidance: charge the on-board computer (in the holder or via USB port). Do this first: 1. Charge the on-board computer in its holder/mount (if your model supports it). 2. If your…
TL;DR Bosch error code 423 indicates an eBike battery connection problem. Official guidance is to have the connections checked. Do this first: 1. Power off the system. 2. Remove and reinsert the battery firmly (make sure it fully latches). 3. Restart the system; if it returns, have the connections checked by a Bosch eBike dealer….
TL;DR Bosch error code 422 indicates a drive unit connection problem. The official guidance is to have the connections checked. Do this first: 1. Restart the system (off → wait 10–20 seconds → on). 2. Do a quick visual check for loose/damaged cables near the motor area. 3. If it returns, have the connections checked…
TL;DR Bosch error code 656 indicates a software version error. Bosch’s official guidance is to contact a Bosch eBike dealer so they can perform a software update. Do this first: 1. Note when the code appeared (after update/service, new display, new battery). 2. Restart once (off → wait → on). 3. Contact a Bosch eBike…
TL;DR Bosch error code 655 indicates multiple battery faults. Bosch’s official steps: power off, remove and reinsert the battery, restart; dealer if it persists. Do this first: 1. Switch off the eBike system. 2. Remove the battery pack and reinsert it firmly. 3. Restart the system; if the problem persists, contact a Bosch eBike dealer….
TL;DR Bosch error code 606 indicates an external battery fault. Bosch’s official steps: check the wiring, restart; dealer if it persists. Do this first: 1. Check the wiring (especially external battery cable/harness). 2. Restart the system (off → wait → on). 3. If it persists, contact a Bosch eBike dealer. What this code means (Bosch…
TL;DR Bosch error code 602 indicates an internal battery fault. Official guidance: restart; if it persists, contact a Bosch eBike dealer. Do this first: 1. Restart the system (off → wait 10–20 seconds → on). 2. If it returns, avoid repeated high-load rides until the battery is tested. 3. Contact a Bosch eBike dealer if…
