Power cuts out while riding and screen goes off
Battery runs out of charge
Charge the battery
LCD display waterproof cable connector is loose.
Re-connect and check all other connectors in the line.
Loose conductivity between battery and bracket
Check connector pins for sparks or being loose.
Might need a manipulation or replacement
Loose conductivity between battery cable bullet connectors and controller
Check connectors for sparks or being loose.
Might need a manipulation or replacement
Controller overheated
Give It some moments,
open the controller bag's second expansion zip and cut some holes for ventilation there.
Battery fuse or other battery issues
Check battery output Voltage, remove and visually check the fuse if you can.
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