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When key is turned on ,the green light and battery condition indicator do not light up. The headlight and rearlights DO work,but nothing else will operate! The batteries are not very old,and voltage coming out of the motor controllor is 25.8 volts. I have checked the fuses and they all seem to be working.Please can you help,I need my scooter!! Thankyou,regards Rod...

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  • rod3301 Jun 25, 2009

    I am not convinced that the expert is knowledgable on my TGA Supersport mobility scooter.
    The details i posted describe exactly the fault that has occured!!!.

  • rod3301 Jun 25, 2009

    is the system voltage regulator the printed circuit contained in the grey plastic box to the right of the motor controller?

  • rod3301 Jun 27, 2009

    Thanks for the help,ive not received any answer that is of much help.
    Regards,Rod...

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3 Answers

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You may want to check the terminals, it may need cleaning. If it checks out OK, you may want to check the wiring if they are connected properly. The lights as far as I know would have a different route. Should there be issues with the wiring to the starter and ignition system, it may not affect the rest.

Posted on Jun 26, 2009

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REPLACE THE SYSTEM VOLTAGE REGULATOR

Posted on Jun 25, 2009

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  • Master
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Hi,

Okie there are a couple tests you need to do before we conclude to get the battery checked.

  • Check the power transmission system. If the motor runs when the throttle is applied but the rear wheel does not spin that points towards a worn out rear wheel freewheel mechanism, or a missing drive belt, chain, or sprocket.

  • Test the battery or battery pack. Test the Voltage level of the battery pack, it should be above its rated Voltage level, even if it has been fully discharged or in storage. If a battery packs Voltage level does not bounce back to above its rated Voltage level within a few minutes after the scooter has been driven that points towards a defective or worn out battery or battery pack. When a battery or battery pack has been charged overnight and its Voltage level is below its rated Voltage level that also points towards a defective or worn out battery pack. Good scooter battery packs will bounce back to above their rated Voltage level within a few minutes after being discharged.
    • Test the battery charger. Test the battery chargers output Voltage. Its Voltage level should be above the battery packs rated Voltage. If the chargers output Voltage level is zero or not above the battery packs rated Voltage that points towards a bad charger.
    • Test the charger port. The charger port should have the same Voltage level as the battery pack. If the charger port has zero Voltage level that points toward defective wiring or connectors between the charger port and the battery or battery pack.
    • Test the fuse or circuit breaker. If the fuse looks blown out or does not have continuity that points towards a blown out fuse. If the circuit breaker does not have continuity when reset or will not reset that points towards a defective circuit breaker.
    • Test the brake lever switch. The brake lever switch informs the speed controller to turn off when the brakes are applied. When this switch wears out it usually locks on which turns the speed controller off. An easy way to test this switch is to disconnect it from the speed controller and try to run the scooter. If the brake lever switch is the problem the scooter will run only when it is disconnected
    • Test the motor. Remove the chain or belt from the motor. Disconnect the motor wires from the speed controller and connect them to a good 12 Volt battery. If the motor spins freely then it is good. If the motor does not spin that points towards a bad motor.
    • Test the throttle. Testing a hall-effect throttle requires a 4.3 Volt DC power source and a Voltmeter. Apply 4.3 Volts DC positive to the throttles red wire and 4.3 Volts DC ground to the throttles black wire. Attach a Voltmeter between the black wire and the green or blue wire and twist or push the throttle. The Voltmeter should vary between zero and 3+ Volts. If the throttle has zero or low output Voltage that points towards a bad throttle.
    • Test the power/key switch, wiring harness, and connectors. Test the power switch or key switch for proper operation and continuity. Test the wiring harness and connectors to make sure they are good.
    Speed controllers problems can be difficult to diagnose. Testing the other components of the electrical system first is the easiest way to see if the speed controller is working or not.
    • Test the speed controller. Speed controllers are too complex to easily test. Using the process of elimination is the best way to see if a speed controller is working or not. If all of the other components of the electrical system test good but the scooter does not operate that points towards a defective speed controller.
  • Thanks for contacting Fixya

    Posted on Jun 25, 2009

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