EP5 error codes

· Common displays: EW-SS300, EW-SS301, EW-SS302 · Shimano

Shimano EP5 is a mid-tier urban and light trail eBike drive system designed for commuters and weekend riders, delivering 60Nm of torque in a slim, integrated package. It emphasizes balanced assist output, AUTO SHIFT compatibility, and seamless frame integration for lifestyle-oriented eBikes.

Good to know

Fault codes for EP5 are documented in Shimano's official dealer manuals and Di2 error code resources, but no dedicated EP5-specific fault-code table is explicitly linked in the provided 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: Shimano support · https://bike.shimano.com