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Problem
Suspected cause
Action
Controller does not turn on
1.Battery output is weak
2.Battery is deteriorated
3.Battery terminal is OFF or loose
4.Battery terminal is corroded
5.Fuse is blown
6.Disconnected circuit, loose terminal or
departed
7.Controller or Power Switch is
defective
1.Check/ battery liquid/ or Change
2.Change battery
3.Fix/Tighten terminal
4.Clean terminal
5.Check/Change fuse
6.Ask our distributor to repair
7.Ask our distributor to repair