M820 error codes
· Common displays: DP C030.CA, DP C245, DP C263, DP E181, DP E171, DP E163 · Bafang
The Bafang M820 is a lightweight mid-drive system designed for eMTB and eRoad/eGravel bikes, featuring a rated power of 250 W, maximum torque of 75–80 Nm (sources vary between 75 Nm in the Workbook and 80 Nm on the product page), and a weight of 2.3 kg. It supports extended cadence up to 120 rpm and uses a torque sensor for responsive, pedaling-force-based assistance.
Good to know
Fault codes are numeric (e.g., 04, 07–48) and documented in the official Bafang FAQs page; no alphanumeric or CAN-specific code format is indicated for M820 in the sources.
No codes published for this system yet — submit the code you’re seeing and we’ll research it.
Same number, different meaning. Error codes are not standardized between manufacturers — the same number can point to different faults on other systems. Always confirm your drive system first, or compare all systems.
Official support: Bafang support · https://bafang-e.com