What can I do myself about Shimano STEPS W020?

If too cold: bring the battery indoors and let it warm up to room temperature before use. → If too hot: place the battery in a cool, shaded spot until its internal temperature drops. → If the warning persists at normal temperatures, have the battery checked by a dealer.

What are common causes for Shimano STEPS W020?

Battery too cold (e.g. stored outside in winter) (high) · Battery overheated (direct sun, hot vehicle, charging heat) (medium)

What symptoms does Shimano STEPS W020 show?

System does not start or battery output stops · Warning appears in very cold or very hot conditions

Shimano STEPS Battery

W020

Battery temperature outside operating range

The battery temperature has left the guaranteed operating range, so the battery shuts off its output and the system will not start. This happens in freezing cold as well as in strong heat. Once the battery has returned to a moderate internal temperature, the system works normally again.

Drive system: Shimano STEPS
Category: Battery
Motor behavior: assist off
DIY-friendly?: possible

Roadside self-help

If too cold: bring the battery indoors and let it warm up to room temperature before use.
If too hot: place the battery in a cool, shaded spot until its internal temperature drops.
If the warning persists at normal temperatures, have the battery checked by a dealer.

Possible causes

Battery too cold (e.g. stored outside in winter) high
Battery overheated (direct sun, hot vehicle, charging heat) medium

Symptoms

System does not start or battery output stops
Warning appears in very cold or very hot conditions

Inspection / repair

Difficulty: easy
DIY: possible
no dealer tool needed
Component: battery
Component: battery management system

Applies to

E5000 E6000 E6100 E7000 E8000 EP8