Why Does My Oral B Toothbrush Keep Flashing Green
Your Oral B toothbrush might keep flashing green due to a low battery, timer alert, pressure sensor, or connecting with the app.
Oral B toothbrushes come with various features and indicators to provide you with an optimal brushing experience. A flashing green light can mean a few different things and may require different actions accordingly.
Understanding the reason behind the green flashing light on your Oral B toothbrush is essential to make sure you are utilizing the toothbrush for optimal dental care.
Pay attention to the light and adjust your brushing habits or charge the toothbrush as needed.

Why Does My Oral B Toothbrush Keep Flashing Green Reason & Solution
Possible Reason | Description | Solution |
---|---|---|
Low battery | The green flashing light may indicate that your Oral B toothbrush has a low battery. | Charge your toothbrush by placing it on the charging base. Make sure the base is connected to a power outlet. |
Charging error | A flashing green light may also be due to an error in the charging process. | Ensure that the toothbrush is properly placed on the charging base and that the base is connected to a power outlet. |
Bluetooth connection | The green light might be flashing because the toothbrush is trying to establish a Bluetooth connection with your smartphone. | Open the Oral B app on your smartphone and follow the instructions to connect your toothbrush. Alternatively, disable the Bluetooth connection if you do not wish to use the app. |
Firmware update | Your Oral B toothbrush may have a firmware update available, and the green light is notifying you. | Connect your toothbrush to the Oral B app and check for any available firmware updates. Follow the instructions to update your toothbrush. |
Timer function | The green flashing light may be related to the timer function on your toothbrush, indicating that you have been brushing for the recommended 2 minutes. | Simply continue brushing if you have not finished cleaning all areas of your mouth. Otherwise, turn off the toothbrush. |
Travel lock | Some Oral B toothbrush models have a travel lock feature, which prevents the toothbrush from accidentally turning on while in your luggage. The green light may flash if the travel lock is engaged. | Disable the travel lock by pressing and holding the power button for a few seconds. The toothbrush should turn on and the green flashing light should stop. |
What Is a Green-Flashing Oral B Toothbrush?
A green-flashing Oral B toothbrush indicates that the toothbrush is charging. The green LED light will flash during the charging process and will stop flashing once the toothbrush is fully charged.
It is a common feature in Oral B electric toothbrushes designed to let users know when the toothbrush is charging and when it is ready for use.
- Green flashing light: charging in progress
- Green light stops flashing: fully charged
What Causes a Green Flashing Oral B Toothbrush?
A green flashing light on your Oral B toothbrush indicates that the toothbrush is in charging mode.
This occurs when the toothbrush is placed on the charging base and it’s actively receiving power to recharge its battery.
The green flashing light will turn off once the toothbrush is fully charged, which typically takes 16-22 hours.
- Oral B toothbrush in charging mode
- Green flashing light indicates charging
- Takes 16-22 hours to fully charge
- Light will turn off when fully charged
Pro Tip: To ensure your toothbrush battery lasts longer and performs optimally, allow the battery to fully discharge before recharging. This can also help prevent battery memory effect, which can reduce the overall battery life.
How to Troubleshoot a Green Flashing Oral B Toothbrush?
The green flashing light on an Oral B toothbrush indicates that your toothbrush is either charging or updating. If the light continues to flash without finishing the process, troubleshooting can help identify and resolve the issue.
Follow these steps to troubleshoot your green flashing Oral B toothbrush:
- Ensure proper charging: Check that the charger is plugged into a working outlet and the toothbrush is correctly placed on the charger. The base should be dry, and the toothbrush should make proper contact with the charging pins.
- Reset the toothbrush: Unplug the charger, remove the toothbrush from the charging base, and plug the charger back in. Hold the power button on the toothbrush for about 10 seconds to reset it, and then place it back on the charging base.
- Update the firmware: If your toothbrush has a Bluetooth feature, connect it to the Oral B app on your smartphone and ensure that the firmware is up to date. The app may prompt you to update the firmware if necessary.
- Check the battery health: A faulty battery may cause the green light to flash continuously. If you suspect a problem with the battery, contact Oral B customer support for further assistance.
If the issue persists after following these steps, you may need to consult with Oral B customer support to determine whether your toothbrush requires service or replacement.
How to Resolve Green Flashing Oral B Toothbrush Issues?
The green flashing light on your Oral B toothbrush typically indicates that it’s charging.
However, if you are encountering issues where the green light continues to flash despite being fully charged, there could be other underlying problems.
To resolve these issues, follow the steps provided below:
- Ensure proper placement on the charging base
- Clean the charging base and toothbrush handle
- Check for damage to the charging unit
- Perform a hard reset on the toothbrush
- Contact Oral B customer support if problems persist
Conclusion
In conclusion, a green-flashing Oral B toothbrush indicates that the device is in need of some troubleshooting.
This issue can be attributed to a variety of factors, including low battery power, an improperly seated brush head, or even a malfunction with the device itself.
If your Oral B toothbrush is flashing green, there are several steps you can take to try to resolve the issue.
These include checking the battery level, making sure the brush head is properly attached, and resetting the device if necessary.
By taking these troubleshooting steps, you can enjoy the healthy benefits of your Oral B toothbrush once again.
TL;DR:
- A green flashing Oral B toothbrush indicates the need for troubleshooting.
- Causes can include low battery or a malfunction.
- Troubleshooting steps include checking the battery, brush head, and resetting the device if necessary.
- Follow these steps to resolve the green flashing issue and enjoy a healthy smile.
FAQ
What does it mean when my Oral B Toothbrush flashes green?
When your Oral B toothbrush flashes green, it indicates that your brush head is nearing the end of its recommended lifecycle and needs to be replaced.
How long should a Oral B toothbrush head last?
Depending on your brushing habits, a Oral B toothbrush head should last anywhere from 3 to 6 months.
How often should I replace my Oral B toothbrush head?
You should replace your Oral B toothbrush head at least every 3-6 months in order to ensure optimal cleaning results.
What are signs that my Oral B toothbrush head needs to be replaced?
Signs that your Oral B toothbrush head needs to be replaced include decreased cleaning efficiency, excessive wear on the bristles, and the flashing green signal.
How to reset Oral B 5 Smart 5000 5900 series electric toothbrush
Why Does My Electric Toothbrush Keep Flashing?
Your Oral B electric toothbrush may keep flashing green for several reasons, including low battery, charging, or smart guide connection.
To identify the issue and fix it, try following the steps below:
- Check the battery level: If the battery is low, charge your toothbrush until the flashing stops.
- Ensure proper charging: Make sure the toothbrush is correctly placed on the charging base and the charger is plugged into a working outlet.
- Confirm smart guide connection: If your toothbrush model comes with a smart guide, check if the flashing is a signal to connect or sync.
How Do I Reset My Oral-B Brush?
Resetting your Oral-B brush is crucial if the toothbrush keeps flashing green or encounters other issues.
To reset your Oral-B toothbrush, follow these simple steps:
- Place the toothbrush on the charging base
- Press and hold the power button for approximately 10 seconds
- Release the button and remove the toothbrush from the base
- Wait for a few seconds and place it back on the base
After completing these steps, your Oral-B brush should be reset and functioning correctly. If the green light continues to flash, you may need to replace the brush head or contact Oral-B customer support for further assistance.
Can You Overcharge an Oral B Electric Toothbrush?
No, you cannot overcharge an Oral B electric toothbrush as they are designed with built-in overcharge protection. The flashing green light might indicate that the toothbrush is charging or fully charged.
- Overcharge protection prevents battery damage
- Green light flashing indicates charging status
- Fully charged toothbrush turns the green light off
What to do if your toothbrush keeps flashing green:
- Ensure proper connection: Make sure the toothbrush is properly placed on the charging base and the base is plugged into the electrical outlet.
- Check for damage: Examine the toothbrush and charger for any visible damage, such as cracks or malfunctioning components.
- Wait for the light to turn off: If the toothbrush is charging, wait for the green light to stop flashing, indicating a full charge.
- Consult the manual: Refer to the user manual for specific instructions and troubleshooting advice for your particular Oral B toothbrush model.
- Contact customer support: If issues persist, contact Oral B customer support for assistance.
Pro Tip: To prolong the battery life of your Oral B toothbrush, make sure to unplug the charger once the toothbrush is fully charged.
How Long Should an Oral B Electric Toothbrush Last?
An Oral B electric toothbrush should ideally last for several years with proper care and maintenance.
However, it is crucial to replace the brush head every 3 to 4 months to ensure optimal cleaning and maintain oral hygiene.
If your Oral B toothbrush keeps flashing green, it might be indicating that the brush head needs replacement or the battery is charging.
- Proper care and maintenance: Several years
- Brush head replacement: Every 3 to 4 months
Oral-B Toothbrush Green Light Keeps Flashing
If your Oral-B toothbrush green light keeps flashing, it usually indicates that the brush is in need of charging or there is a connection issue with the charger.
This is a common issue and can be resolved quickly by taking the appropriate steps.
- Ensure the toothbrush is properly placed on the charging base.
- Check that the power socket and charger are working correctly.
- Clean the charging contacts on the toothbrush base and charger, as dirt can hinder proper charging.
- Make sure the toothbrush has sufficient time on the charger (usually 12-24 hours).
- If the issue persists, contact Oral-B customer support for further assistance.
Oral-B Toothbrush Fully Charged But Not Working
The issue with your Oral-B toothbrush not working despite being fully charged could be due to several reasons like battery problem, a loose connection or a malfunctioning brush head.
The green flashing light typically indicates an ongoing charging process, but it may also persist due to battery issues or internal malfunctions.
Possible causes of the issue:
- Battery Problems
- Loose Connections
- Malfunctioning Brush Head
Why Does My Oral-B Toothbrush Flash Red And Green When I Turn It off
Your Oral-B toothbrush flashes red and green lights when you turn it off due to a few possible reasons.
One likely cause is that the toothbrush may need charging, or it could simply be an indicator that there’s an issue with the brush head. Finally, the flashing lights could signal the need for a deep clean.
- Charging issue: The toothbrush may be low on battery and require charging.
- Brush head issue: The toothbrush may detect a problem with the brush head (e.g., worn-out bristles).
- Deep clean needed: The toothbrush may be indicating that it requires a thorough cleaning.
To address these issues, you can:
- Charge the toothbrush according to the manufacturer’s instructions.
- Inspect and replace the brush head if necessary.
- Perform a deep clean by removing the brush head and cleaning the handle and brush head separately.
Following these steps will help you keep your Oral-B toothbrush functioning optimally and flashing lights only when necessary.
Oral-B Toothbrush Not Turning on
An Oral-B toothbrush may not turn on due to various reasons, such as low battery or poor connections between the toothbrush handle and the charging base.
If the toothbrush keeps flashing green, it’s most likely because the battery is charging or a poor contact is interfering with the charging process.
- Ensure the toothbrush is correctly placed on the charging base
- Check the charging base for debris or damage
- Clean the toothbrush handle and charging base contact points
- Make sure the charging base is plugged into a working outlet
- Allow the toothbrush to charge for a minimum of 16-24 hours