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
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