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Dear forum members, I hope you can help me out with this issue :) Cortina bike with m420 bafang motor doesn't seem to turn on anymore without removing battery first. So when I turn the bike off I can only turn it on again by shortly unplugging the battery first (or by unplugging display cable...

Dear eBike forum members, I've got a Cortina bike with a bafang m420 mid drive motor "issue". When I turn on the motor when I'm already moving it apparently gets a bit confused and it then starts to behave really annoying with this intermittent on/off behaviour. I don't see any other error...