User Self-Diagnosis: Causes and Solutions
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Causes Analysis
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Analysis
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Solutions
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Charger Malfunction
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Check if the charger is functioning properly, as there may be an issue with the charger itself that prevents it from charging correctly.
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To check if the charger is functioning properly, try using another charger to test the charging.
If the charger is faulty, it is recommended to replace it with a new charger.
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Charging Circuit Fault
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Check if the charging circuit is properly connected, as a fault in the circuit may prevent charging.
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If there is a problem with the charging circuit, it needs to be repaired or replaced with a new one.
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Electric Scooter Battery Fault
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Test if the battery is faulty.
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If the electric scooter battery is faulty, it is recommended to contact after-sales service or a professional technician for repair or battery replacement.
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Wall Outlet Fault
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Test if there is a fault with the wall outlet into which the battery charger is plugged.
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If you determine that the wall outlet has no power, its circuit breaker may have tripped or the wall outlet may be faulty and needs to be replaced.
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If none of the above methods resolve the issue, it is recommended to contact the after-sales service center or a professional technician for inspection and repair.
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Customer Support
If you still have questions, please contact GKB Customer Service service_aftersale@geekbuying.com.
For Engineers
Solutions
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Check if the Charger Light Turns Red When the Charger Is Plugged into Both the Vehicle and the Wall
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Plug the charger into the vehicle and connect it to a wall outlet.
If the charger indicator light shows red, it indicates that the battery is charging.
If the indicator light remains green, it means the battery is already fully charged, or the charger is not receiving voltage from the battery pack, or the battery is faulty (such as being over-discharged).
Smart chargers automatically detect the battery status and will not charge if they detect a safety risk (such as over-discharge, short circuit, abnormal voltage, etc.). In such cases, the charger indicator light will remain green, will not turn red, and will not charge the battery pack.
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Test the Battery Charger Port
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If the battery charger is plugged into the wall, unplug it. Plug the battery charger into the battery charger port on the vehicle and check if there is an illuminated indicator light on the battery charger. If the indicator light on the battery charger lights up, this means the wiring and wire connectors connected to the charger port are good, and the charger port itself is also good. Not all battery chargers have an indicator light that illuminates when the charger is only plugged into the vehicle, so if the light does not come on, you should perform a secondary voltage test with a multimeter as described below.
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Test the Battery Charger
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Test if the Polarity of the Charger Port Terminals and the Charger Plug Terminals Is the Same
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To test if the output terminals of the battery charger and the charger port terminals have the same polarity, plug the battery charger into the charger port and then into the wall outlet.
Next, test the backside of the charger port to confirm that the terminal with the red wire is positive and the terminal with the black wire is negative.
If you cannot directly access the backside of the charger port, you can disconnect the main output wires from the battery or battery pack and perform the same test on these wires.
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Wrap the sides of the metal probes with electrical tape or install heat shrink tubing, leaving only the tips exposed.
Be careful not to touch the probe tips to both the terminal pins and the sides of the metal connector at the same time.
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