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How Charging Works? Screw the cover back on tightly and your toothbrush should be good to go! I have never come across a tutorial that has been so considered & precise. The battery of the brush only comes charged to last a few minutes. If your Oral-B Braun battery toothbrush isnt working, there are a few things you can do to troubleshoot the issue. I also confirm that I am at least 18 years of age and that I have read and agree to the P&G Terms and Conditions You can also try leaving it running until it shuts off then give it a full 24 hour charge. Glad the guide was useful . Trust me, the MCU 430G2 & motor drive chips get jolly hot with the battery reversed. The battery voltage looks good so if it wont run then it sounds like a problem with components on the board. Oral-B Pro 100 Charcoal. You will now see the battery compartment. If you see the battery indicator light blinking it means it is charging. All charged up over night and working fine today, thank you. If youre still experiencing connectivity issues, please contact Customer Support at 1-800-56-ORALB (1-800-566-7252) for further assistance. Our app uses advanced 3D Tracking 1 to map out all areas and surfaces on your teeth up to 16 zones. Carefully unclip it from one side, then the other: Time to get your soldering iron warmed up now! It still works of course but I am wondering if original plus two long replacements is a fair life for one of these. Discover the simple steps to access your Oral-B Braun toothbrushs internals for battery replacement or repair. At this point you might realise that you have fallen victim to Brauns designed-in obsolescence and non-repairability if the plastic tab at the front of the base breaks off. It is however more likely that the smell is related to residual moisture. Start in the Back. You are correct, the higher capacity battery just runs for longer. Pair the Oral-B iO with a toothpaste containing Stannous Fluoride like Crest Gum Detoxify, its activated foam formula removes plaque bacteria in hard-to-reach areas to better reverse gingivitis. It means we dont need to take the charger in the camper van anymore. This is the 2nd replacement battery I have installed, but now after 12 hours charging (green charging light is flashing OK), the motor does not operate with a push of the button. Eg. I have checked. Press and hold the 'set' button inside the battery compartment until '12h' is flashing in the display. Seems the toothbrush and dead battery mayve simply sat around too long before the battery was replaced the linkage was stiff or tired who knows? First, make sure that the charging base is plugged into an outlet and that the charging indicator light is on. The blinking charging light turns off when the batteries are fully charged. Press firmly on the handle and make sure that it clicks into place. Once I fixed it, I see the charging light is blinking but it is not working, not even the red light. It is important to keep the toothbrush clean and allow the toothbrush to air dry. I would have thought that it is waiting for a charge since the red light is flashing. Required fields are marked *. I was quite careful, did not do too much desoldering, dont have the pressure sensor in my model 3754. Braun Oral-B Professional Care Type 3754 & 3756 Battery Replacement, Philips Sonicare DiamondClean HX9300 series, Sonicare Toothbrush Spare Parts & Chargers. This might be more apparent if you store your refill brush head permanently on the handle or if you use tap water filtered from sea water with a high residue of sodium chloride. Continue with Recommended Cookies. It is also quite easy to heat up the surrounding surface-mount components and cause them to slide off their pads. Finally, pull off the brush head and discard it. Go to step 1 Use this guide to replace a worn-out or dead battery in your Oral-B iO. Thank you so very much for the repair instructions. So, I soldered those two points and voila!! Remove the brush head from the handle by twisting it counterclockwise. Thanks for the tip Rick! More recently, after not using it for a couple of weeks away, I tried to use it and found that when turned on the head would not move despite it sounding like the motor was spinning. If the toothbrush is turning itself on, without any interaction from you, then there is a fault with the handle that requires repair. If the battery icon indicates that the battery is flat or low on power, it may require charging before it will turn on. Brilliant, thanks for this tutorial. One toothbrush down, one to go. Thanks for the interesting measurements Robert! I hade some problems with desoldering the battery from the charger coil. Insert the new battery in the battery compartment. Also useful, a big blob of blu-tak to bed the chassis when soldering. Toothpaste residue can build-up around the power button. Ill test it! Use a flathead screwdriver or plier to remove the bottom cap, and detach the button cover from the brush head. Carefully desolder these and lift the wires away from the circuit board trying not to melt the plastic around them. If yes, this would suggest the charging stand is functioning correctly. If its still stuck, try gently prying it off with a flathead screwdriver or butter knife. Old worn brush heads can also seem to be less effective or powerful in their rushing action. Could you please help. Hopefully one of these solutions will get your Oral-B toothbrush charging again so you can keep using it to maintain good oral hygiene! I could have bought a new toothbrush, but exchanging the battery and doing some handwork was/is much more fun! If the brush head is not moving, and the toothbrush is definitely switched on (because you can hear it), try removing and replacing the brush head. Any suggestions.? Thank you for the instructions. Brilliantly clear and comprehensive instructions. Also Im getting 50 mins and counting out of the bigger battery, compared to probably 28 mins (1 weeks brushing 2 min twice a day). Oral-B Sensitive Gum Care Electric Toothbrush Replacement Brush Heads Refill, 3 Count. Standing this end of the brush in hot water for 5 minutes before bending it back will help to soften the plastic and will make the clip release more easily and be less likely to break. So thats a big improvement. They are a different voltage and they need different charging circuitry to recharge them correctly. If your battery is swollen, take appropriate precautions. So far so good eh? Thanks very much guys and girls. I followed the instructions to thin the battery terminals and it just fit well. As an Amazon Associate, I earn from qualifying purchases. The brush is now in the charger and it is blinking green. 4. Thanks for Subscribing! Regards from Sweden. How to Charge Oral-B Braun Toothbrush? Ultimate Guide Terms of Use Good work on getting it apart Andrew Glad the instructions were helpful! The wires are easily broken and, if broken, the insulation is difficult to remove. This does seem to release the clip and make it very easy to open when bending the toothbrush backwards when on the charger. You dont actually need to put the bottom in hot water. Its happily charging. Even when I pressed the button, no red light blinking no green light charging. Hi, Also putting it on the charger had no effect. Not essential but it helps hold the battery in place so it doesnt vibrate too much. Check that the brush head is attached correctly. How to Open the Triumph Type 3761, 3762 and 3764 Braun Oral-B Toothbrushes For me the desoldering took much, much longer than putting it back together. Replaced the batteries on my wifes and my toothbrushes and they work! Unclip the carrier for the pressure warning light wires and gently remove the carrier from the top shaft (arrowed below) then put it to one side. This guide will take you step by step through how to dismantle the Braun Oral-B Professional Care Type 3756 electric toothbrush and replace the battery. until even the red pressure sensor light has no power to flash anymore). How Do You Open Oral-B Battery Toothbrush? Just succeeded replacing my battery! Is not a battery problem. Most models are fully charged within 12-15 hours. 1. Thankfully, the base lugs have remained intact through both disassemblies, and the repaired toothbrush is now on charge as I write. Because it is physically larger, a longer battery will have a higher electrical capacity (mAh) and will run for longer between recharges. Hi all, a quick question my toothbrush has stopped charging but when it is on the charger, the green light does a flickering flash. If the batteries seem fine, then its possible that the problem lies with the toothbrush itself.Try cleaning the brush head and contacts with a cotton swab dipped in rubbing alcohol. Can I reassemble my toothbrush without the pressure warning switch or pressure warning light? Many thanks Ionic. A solder sucker is essential though! All went well, put on charger and tge green light blinks, unit remained on charger until green light on solid. Works perfect! Thats fixed my toothbrush, now to do the wifes. I mean, the old one was 1600mAh. Do you have any thoughts please? Youre right to point out the risk of cutting right through the battery tag when cutting in from the side. Another toothbrush is kept running! Very happy to have toothbrush back up to full power! When reassembling, make sure everything is securely fastened and properly aligned to avoid any issues with your toothbrushs functionality. Also check for surface-mount components near to your soldering work that might have moved off their pads. After the replacement, the pressure-sensing light continued to flash, and the new battery wouldnt charge up much. Faster than the original green blinking when it charges. 1. If no brush head is attached it will likely sound louder. How To Open Electric Toothbrush - ToothShow Couple of other observations: 1) The PCB in the Braun is of highest quality, in the sense that it would be difficult (but not impossible) to delaminate the traces by overheating with a soldering iron. How do I open an Oral-B Braun toothbrush? The internals are made of a very easily melted plastic and it is looking a little messy now that it is on its second replacement battery. How do I change the battery in my Oral-B Braun toothbrush? A tip from my dad, who did the soldering work: it can help to desolder the coil first, so the black plastic wont melt when you desolder the battery. Press the power button to confirm you want to enter the menu. All good now. There are many very small surface mounted components and care must be taken to avoid displacement or damage of these. It sounds like there is a short circuit somewhere, possibly at the side of the PCB where the super-fine wires terminate, the ones that run to the LED near the shaft. After some head scratchinf I found the problem: the thin copper wires at the end of the coid had detached from the PCB during dissasembly. Before connecting your new Oral-B electric toothbrush to the Oral-B app, make sure your brush is fully charged. Good to hear you were successful in repairing your brushes. Some light oil on the bearing at each end of the motor might help too, along with white grease on the gears. This ticking sound doesnt necessarily indicate any malfunction of the brush. Hi John, great to hear the instructions were useful. Regarding the red light, once the battery is fully run down and recharged the internal battery-meter should re-sync and this will stop happening. I have good soldering kit, so didnt have problems with melting plastic or de-soldering fine wires. The Oral-B app is your digital coach to help you brush correctly as recommended by Dental Professionals. It was obviously charging a bit, but not fully. Off now to recycle old battery. Down with planned obsolescence! ToothbrushBattery.com 2023. Electric Toothbrush Battery Replacement (Oral B / Braun Vitality) You should be able to turn the gears by hand a little to verify this. Contact Oral-B. If you have an Oral B electric toothbrush, you may be wondering how to open the battery compartment. Follow along with the shape of each tooth and the curve of the gums. Some of the steps are quite tricky, especially removing the top plastic ring in my case took a lot of effort. The electronics should now let you press the power button on the PCB and it will power up the motor. It the pcb version with sop-20 housing chip so it differs from yoursmaybe older but its an 3756 model. Keep up the fight, Mike! I did open it up following your easy to follow guide and didnt spot any obvious signs of water damage but will have a closer look. It could also be that the charger is faulty but thats a pretty rare occurrence. How to Change Brush on Oral B Battery Toothbrush - ToothShow I did managed to do the battery replacement. But still not charging & no light. :-). I have looked at the support page and didnt see anything there about this issue. Finally, reattach the brush head onto the handle. Hope the second toothbrush repair goes well too. ToothbrushBattery.com 2023. If you encounter any difficulties, try troubleshooting tricks like applying heat to loosen the glue or carefully prying the cap with dental floss. It will not harm the LED to be connected in reverse so it is okay to experiment with this connection. I replaced my battery with the larger 49mm 2200 mAh as you have mentioned in your instructions. How to Open the Triumph Type 3761, 3762 and 3764 Braun Oral-B Toothbrushes, Philips Sonicare DiamondClean HX9300 series, Sonicare Toothbrush Spare Parts & Chargers. If it does contact Oral-B for warranty support. The battery itself seems to be charged up properly. Is this possible to fix? *Amazon and the Amazon logo are trademarks of Amazon.com, Inc., or its affiliates. Use a toothbrush to clean hard-to-reach spots. Is the base of the handle slightly warm after having been sat on the charging stand for a few hours. How can I check if the battery is being charged? I modified the battery compartments and installed the larger batteries. Enter the app and modify the order of the modes within the settings. If the light is off, try pressing the reset button on the base.If the light is still off, unplug the base and plug it back in. If your toothbrush has the option to, you may wish to change the cleaning mode selected. You can test that the brush charges without reassembling it into the handle casing by holding the internals over the charger. What Kind of Battery is in Oral-B Electric Toothbrush? If your brush head has been in use for more than 3 months, it should be replaced with a new one. Im looking forward to upgrading my wifes brush when the time comes! If so, it will likely confirm your charger is at fault. How To Open Oral B Electric Toothbrush Battery - ToothShow The original blink was a slow on and off. Thank you for joining our mailing list. Jane, Thanks Jane, Im glad you got your brush up and running again. Thanks again! Note on pressure warning light connections: Also, following one of the videos, I did not de-solder the pressure warning light connections and so while handling to remove the battery, the wire got cut. Stand the handle upside-down in the hot water again to soften up the plastic ring around the top shaft. When using the Braun 3756 battery replacement instructions they are excellent by the way I noticed one little remark that needs to be added. Many thanks! This ensures you cover all areas of your mouth and surfaces of your teeth. As youve found, the key to opening many appliances is finding the hidden plastic clips. How to Catch the Tooth Fairy in Real Life, How to Catch the Tooth Fairy Tips and Tricks, Gently pull the bottom part away from the handle, Access the battery compartment or inner mechanisms, Reassemble by aligning the bottom part with the handle, Twist the bottom part clockwise to secure it in place, Turn on the toothbrush to ensure its functioning properly, Remove the brush head from the handle by twisting it counterclockwise and pulling it off, Locate the seal at the bottom of the handle and gently pry it off using a flathead screwdriver or a similar tool, Unscrew the bottom cap counterclockwise to expose the internal components, Remove the battery compartment and the motor by pulling them straight out, Disconnect any wires connecting the components if necessary, Locate the model number and research disassembly instructions, Carefully pry open, avoiding damage to internal components. Disassembling an Oral-B Braun electric toothbrush may be necessary for cleaning, maintenance, or troubleshooting purposes. Clean the attachments with soap and water. Is the pressure sensor LED blinking in sync with the green charging LED? Diagnosed easily by Rob and the brush now works a treat. It was then easy to fold back the half width and cut it off without danger of cutting right across. If no, leave the handle on the charger for at least 1 hour and see if the lights are now flashing/blinking. In rare cases it might happen that the drive axis (the metal shaft that the brush head fits to) gets rusty or discolured. Shipping & Returns Moment of panic when testing before pushing back into the case. Just follow these steps: 1. There is probably a reciprocating arm that has been disconnected from a cam. Trust the consistent battery performance of the Oral-B 3D White toothbrush to remove plaque and whiten teeth by removing surface stains. When the brush is switched off the pressure sensor warning light flashes every 3seconds for about half a second. Many cycles of very hot water & lever gets the base safely free of the wand & gunk. Replacement battery delivered very quickly and is not to expensive. So, I would suggest to de-solder the pressure warning light connections. Jun 1, 2022 How do I connect my new Oral-B electric toothbrush to the app? So Im very happy with my first attempt. Just keep that in mind on the tabs for the replacement battery. Only maybe mention that the toothbrush wont work until reset by a charge session. Hi How do I take it apart? My remarks for bigger battery: Enter the app and modify or cancel the journey to restore particular cleaning modes. I appreciate the quick shipping to the USA and will be purchasing another battery for an older model we have sitting around. I re-soldered all connections and the toothbrush did charge but the pressure light is blinking again. My only suggestion re your instructions would be to tell the erstwhile repairer not to worry about the plastic lugs at the end of the wires from the coil nothing needs doing re these! Step 1 Unfasten bottom cap. Should you have any doubts bout the safety of your device or you suspect that it is faulty, please do not continue to use it. It has one tabbed AAA size NiMh cell 450mAhr, replaced with same size cell, 850mAhr. Other than that, have a look at our troubleshooting tips here. Even though there are now battery low warnings. Good idea to oil it like you did. and The issue was during charging, the pressure sensor light would flash (as mentioned), and the green charge light would flash normally indicating charging. Has the charger recently gotten wet or been damaged in some way? Any ideas? Store the toothbrush in a dry place with a good airflow and see if it improves. Thanks for the guide. It looks a daunting task but actually it is quite easy. Over the years the motors can wear too, and can then draw higher current from the batteries which runs them down faster. Since its not that important, im just going to desolder the connection to the light. Hi, check your solder connections for the battery in case one has cracked or come loose. I got the longer battery and modified the plastic cage. making it extremely hard to connect both to the circuit board.). The answer is yes! Here are instructions on how to use the Oral-B battery toothbrush: No mechanical function I can see so maybe used as an antenna to help with the induction charging? How to Satisfy Sweet Tooth With Gestational Diabetes? Charges correctly via the coil and I can trigger a reset/lights test via a press & hold but the motor wont run. Then unclip the switch and put it to one side. However, I have been unable to get the toothbrush to go into charging mode. Activation of Bluetooth is indicated when the light ring at the top of the handle fades into a blue color. As another said should have used a desoldering pump then I would have found it even easier. The battery in my toothbrush was appearing to charge but would die almost immediately. After all, its not something you do very often. Any ideas? I was stumped for awhile We receive many questions on how it works because there is no physical connection to the brush. Assess Your Brushing Habits. Fully charge the Oral-B handle for up to 22 hours. All went well with this work , using your excellent instructions and the tooth brush ran for 14 days between charges, as expected, until the third charge when the battery charged but the brush would not turn on. Open up your Oral-B app and navigate to the MORE screen, Select the YOUR BRUSH option from the menu, Tap CONNECT NEW BRUSH at the bottom of the screen, Select YES when prompted to connect your toothbrush, Press the power button on your electric toothbrush once to activate Bluetooth, The app will let you know when your electric toothbrush has been located, You can turn off your electric toothbrush after it has successfully connected to the app. The red charging light flashes when I press the ON switch. How to open an Oral-B Braun electric toothbrush - model 3757 Cracked solder joints can, in theory, be repaired. Great work repairing your toothbrushes James! Despite soaking in warm water the clip broke when I opened the toothbrush housing so with the spring in it wont hold shut. Hi Jon, when you press the button do you get a red flashing light? An increase of 40C above the ambient temperature of the device is acceptable. We can't wait to share upcoming news and special offers for Oral-B. You can then remove the head and its shaft, leaving the inner shaft exposed. I just finished installing your longer battery into our 3756. Thanks for the guide and providing the battery. Just wanted to say thank you for the guide. You can try leaving it running continuously with no head attached after oiling both ends of the motor shaft, to see if that helps. If yes, you should mention it in the reassembly tutorial and if not, it would be nice adding a picture to show the original soldering position of wires. Can i recharge it before it is empty? And,, as somebody already said it is a step against this throw away world to save the planet. If you have a smart (Bluetooth enabled) toothbrush, that has been paired to the smartphone, within the app you can change the order of the modes to suit you. I accidently broke the very delicate pressure warning light carrier, luckily it broke on the side that doesnt hold the very thin wires. How to open the Oral-B iO - iFixit Repair Guide Before connecting your new Oral-B electric toothbrush to the Oral-B app, make sure your brush is fully charged. I will do this also in our Repaircafe!!! Its 2022 and we can repair an electric toothbrush with thanks to TBB.com :-}. 1. Thanks again! If youre measuring continuity between the two motor terminals it is normal that this will show as a short. But the metal from the pressure warning switch is getting very hot after re-soldering it and thats very strange. We have also created a video from this guide to Braun Oral-B Professional Care Type 3754/3756 battery replacement here, which you can watch below. If so stop using for your own safety. Using the screwdriver carefully press in on the white clips on both sides (one arrowed below) which hold the black coil support in place and unclip the coil, putting it to one side. How to open an Oral-B Braun electric toothbrush - model 3757https://youtu.be/zy6_aCyH1AY I got my toothbrush back together. i replaced 2 no of oral-b toothbrush battery at the same time, and charger not working for the two of them right now ( no lamp blinking while charging). Here are the steps to disassemble your Oral-B Braun electric toothbrush. Hi. Youll just need a few tools and supplies, which can be easily found online or at your local hardware store. We have details of batteries for the Sonicare Airfloss here. For the handle, wipe it down with a damp cloth and dry it with a clean towel. There could be a short circuit somewhere on the PCB caused by a stray blob or whisker of solder. Thanks for the reply. But after a week, the battery would become drained, to the point where the motor would no longer operate/move. Keep up the good work, Then when you put it back on the charger again, it starts charging. It had 1.2v so was OK. Thanks for providing this great guide. Thanks Maximilian. I have successfully changed the battery and the tooth brush now functions just like new. The battery power is very low and requires charging. Hi, what an awesome guide! If the handle is left in very warm conditions and in direct sunlight. I followed your detailed and accurate instructions and replaced the battery in my 3756 toothbrush with the higher capacity one. Deactivation of the Bluetooth is indicated by a blue light fading out to white. Turn on the toothbrush with a brush head attached and place the handle near your ear. Bought your 2.2AHr NiMH AA and followed the instructions above, didnt need the solder sucker or wire braid Id got to help with the job, but did use copper-pipe plumbing flux to very successfully rejoin the existing soldered parts. Check the fine copper wires from the charging coil inside the toothbrush. Open up your toothbrush and check for staining, corrosion or crystal formation on the PCB. You can do this yourself by following these steps:1) Remove The Battery Cover To clean your Braun toothbrush, you need to open it first. Please add any of your own guidelines. All I get is the flashing red light when the power switch is pressed. It is nice to know what they were for. Cart I have tried disconnecting the new battery and wiring in the old battery, but no joy. Braun Oral-B Triumph v2 Battery Replacement Guide - ToothbrushBattery.com My calendar shows the toothbrush battery capacity is headed south, a couple of days less per month & now >24hrs to recharge each time. Glad the toothbrush repair went well Brian!

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