Possible Causes:
1. Insufficient battery power
2. Faulty cable connections
3. Display is not turned on correctly
4. The LCD display is damaged or the main wiring harness is damaged
5. Battery is not fully installed into frame mounting plate
6. Battery Issue
Please follow the following steps to troubleshoot the problem of not starting the ebike⬇️:
Step-1: Fully charge the battery to check if the issue with battery or charger.
Fully charge the battery, the indicator light on the battery will be 3 green🟢 and 1 red🔴. The indicator light on the charger changes from red🔴 to green🟢.
- If the indicator light on the battery and the indicator light on the charger can light up normally, it means that there is no issue with the battery and charger. Please do the step-2.
- If the light on the charger turns green, but the indicator light on the battery does not light normally. Then the battery is damaged and needs to be replaced.
- If you charge for a few hours, but the lamp on the charger has not been bright, it is that the charger is damaged and the battery cannot be charged, and the charger needs to be replaced.
Step-2: Check whether the plugs are connected correctly.
Please check whether the pins of the display plug are deformed and plugged properly.
- If there is no issue for the connection and display plug pins, please do the Step-3.
- If the display pins are bent, the display need to be replaced.
Step-3: Install the battery properly on the battery mounting plate.
Make sure the battery is tightly mounted to the frame mounting plate. If there is no issue and it still doesn't work, please do Step-4.
Step-4: Long press the "M" power on key about 3s to turn on the power:
- For our E8/E9/E9Plus, please just long press the "M" button about 3s to turn on the display;
- For our EB7/EB7Pro/G7/EB9, you need to turn on the power button to "-" direction on our battery, then long press the "M" button about 3s to turn on the display.
Step-5: Replacing the LCD Display and/or main wiring harness
If the indicators on the battery and charger are on normally, and the installation is fine. The display switch may be damaged, or the plug of the display or the plug of the main cable connecting to the display is damaged so that the display cannot start normally. The display or/and main wiring harness need to be replaced.
Please contact our customer service at ebyccous@gmail.com, and provide us with the following infos:
- Your Order Number
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Please take a video of this issue and send it to us. Our tech will check and we will give you a solution. Here are the steps to take a video:
① Place the battery on the frame, charging the battery and show that the light on the charger is green.
② Then press the indicator switch on the battery to show battery indicator light.
③ Do not unplug the charging cable, directly press the display switch for about 3s to check whether the power can be turned on. - Please take a picture of the back of the display. We need to check display serial number and report to our factory.