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FREESKY YL81F Electric Bike Display User Manual — questions & answers

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Why is the throttle on my F20MATE foldable electric tricycle no longer working, and why is the display not showing speed or movement, even though pedal assist is functional?

2026-07-23 1 answer

It sounds like you're experiencing a few issues with your F20MATE foldable electric tricycle, specifically with the throttle no longer working for acceleration, the…

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Why does my YL81F display show '13P 0000' on startup and '-Pp' when pressing the minus button?

2026-07-23 1 answer

Based on the YL81F manual, the codes you are seeing are related to the Personalized Parameter Settings menu rather than standard error codes. 13P:…

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Why is the throttle not working and the speed not displaying on my F20 MATE folding electric tricycle even though pedal assist works?

2026-07-23 1 answer

Based on your description of the F20 MATE (which typically uses the YL81F display or similar), the fact that pedal assist works but the…

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