my radrover e bike won't start

D8721

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Jul 27, 2020
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have a radrover e bike display went blank won't turn on checked all connectors fully charged battery any ideas?
 
D8721 said:
have a radrover e bike display went blank won't turn on checked all connectors fully charged battery any ideas?

What happened just before that happened, and did anything happen on the last ride like did you drop the bike or did you crash.
 
i was riding came to a stop got off an looked an the display was blank. pushed the mode switch nothing.
 
My bet is you have missed a connection somewhere....

Unplug every one of them and reseat them fully.
 
It could be so many things, you must check all of the most probable causes first.

Test battery voltage on the output connector.
Test power on/off switch
Check that all connections are sound
Test controller 5v signal

Those first four priorities should tell where the problem is, thus what you need to fix or further investigate.
 
When the display goes blank, it means there's no power from the battery.

The most likely problem is a connection, becuase it happened at a stop, not when you restarted.

It could be any connection between battery inside the pack, to connector between pack and cradle, to wires between cradle and controller, to the plug between controller and display.



It could also be the pack's BMS has shutdown to prevent damage to the pack, from a cell that's too low. That sort of shutdown would be more likely to happen when starting back up from a stop, though.

Does the battery have a little LED meter on it's case to show charge level? If so, does it display anything when you push the check-button on the meter?

If not, the problem is likely inside the battery.
 
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