Shimano STEPS / EP error code
Shimano STEPS / EP error E020: Battery and drive unit cannot communicate
High severity Service soon
Can I ride home with this error?
Ride with caution. No assist; the bike can be pedalled.
What it means
A communication error between the battery and drive unit was detected, so assist is not provided.
Likely causes
- Loose or damaged cable between battery and motor
- Battery not seated properly
- Dirty contacts
Symptoms
- No assist
- E020 shown
How to fix it
- Turn the system off.
- Remove and refit the battery so it clicks fully into place.
- Check any visible cable between the drive unit and battery is connected.
- If it continues, contact your place of purchase.
How urgent is it?
See a dealer if reseating the battery does not help.
Applies to
- STEPS E6000 (SC-E6000)
- STEPS E8000 (SC-E8000, SC-E6010)
- STEPS E6100 / E5000 (SC-E6100)
- STEPS E7000 (SC-E7000)
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