Braun Oral-B Professional Care 9900 Triumph Ni-MH battery Replacement
Introdução
Ir para o passo 1The battery can be bought either on ebay or amazon. Verify with your old battery before purchase as Oral-B uses shorter battery outside of USA. The one sold in USA is 48mm L x 17mm D. The other size is 42mm L x 17mm D.
There are couple YouTube video which can help you visualize also
History: I have bought that toothbrush in 08/25/2009. I have replaced the battery in 07/07/2012. I am replacing again on 08/30/2014.
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Remove plastic ring by prying it off with large screwdriver. Be careful not to damage rubber handle top or the ring.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Tip: The 8mm Hex Bit (from the macro bit kit) can replace that silly triangular plastic tool molded into the power adapter.
While trying to do this "repair" to replace my battery, the bottom screw was in so tight that I stripped out the plastic tool.
I have just replaced the new battery on Triumph Professional Care 9000, followed all of the instructions. I charged the battery to full 100% but when I switch it on, the motor doesn't turn, it's just dead silence. The LCD displays correctly with different brushing modes but the motor and brush is not turning. I'm wondering what steps I may have missed and if you can provide some guidance on how to fix this problems. Look forward to any helpful hints and suggestions. Thanks in advance.
You can try to measure the current with a multimeter on the motor when it is turned on.
I have the same issue. It worked fine a few times and then quit. The display works fine, too.
I accidentally started it while taking it apart. When I was loosening the base, it started to work again. There's something applying enough pressure to the mechanism to stop it whenever it is pushed into the handle.
With the base re-installed, the toothbrush stops again. It works whenever I push the assembly down. I'm suspecting that the blue ring at the top may have something to do with it.
bester -
Okay, I found it.
After removing the mechanism, I turned it on and noticed that it only worked if I pushed the motor towards the battery. Once I removed the spring I noticed that one of the two metal strips connecting the motor to the board was split right where there is a slight bend. I applied a little bit of solder to repair the connection and it is working again.
bester -
