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Anonymous Posted on Jun 10, 2007

Braun 6520 shaver stops working after one use on batteries

Hi, My Braun 6520 shaver stops working even after one use on batteries even though battery is fully charged. It works fine when plugged. Does anyone know what might cause this and how it can be fixed? Thanks

  • 4 more comments 
  • gleneagles Jun 14, 2008

    how do you access the batteries?

  • rjloopatic Jul 18, 2008

    The charge light wont come on when pluged in. Is it the cord?

  • Anonymous Mar 13, 2014

    when do you know that the HQ6900 series SHAVER IS FULLY CHARGED, the green light stays on?

  • Anonymous Mar 15, 2014

    With shaver plugged in the shaver seems to vary with speed

  • Anonymous Mar 17, 2014

    braun 5497 the blue plastic button came off and the metal came out will no longer work shaver was fine before?

  • Anonymous Mar 31, 2014

    Fully charged


1 Answer



Dear sir, i have one like yours,your shaver need to change the battery.

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Where can i take my Braun 6520 to have the battery replaced?

If your shaver works but will not longer hold a charge as long as it should, the batteries need to be replaced. If the shaver is dead and the green indicator no longer illuminates when plugged in, you have waited too long and the circuit board is now damaged and can not be repaired.

For battery replacement, see at the link below

Professional Battery Replacement for Most Models

I have 6520. when i plug it into a wall jack i does not charge and does not show power from the wall jack any more. this means when the battery is out it will not work any more. please help

Model 6520: If the green light no longer illuminates when you plug it in, you have waited too long to address the battery problem and the circuit board is now damaged. Replacing the batteries alone will not help as it will still not be able to recharge. To repair, you will need a new circuit board but Braun has discontinued for this model. You will be lucky to find one at this date.

model 5520, 5525, 5550, 6520, 6525 and 6550 are all prone to this problem when you neglect batteries that no longer charge correctly. It is suggested that batteries be changed early on when you notice that they are a problem instead of running your shaver from the cord until it dies.

Shaver stopped working today--no green light or movements even when connected to cord battery has not been holding charge the past year for repairs--how to ship and do you give estimates before...

Here is an equivalent circuit diagram good enough to repair the circuit board - What I have found is that the batteries go bad, draw too much current and blow the fuse or in the case of mine, over current the transistors. Resistors are in ohms

' '
' ' o
' Unknown ' '
' __ ' '
' -o' 'o- ' '
' -o' 'o- ' ' ST Micro
' -o' 'o- ' ' STD616A
' -o'__'o- ' '/
' -o' 'o-----' .-----------'
' -o' 'o- ' '>
' -o' 'o- ___ '/ NXP '
' -o'__'o--'___'------' BF820215 ' '
' 330 '> '---------''- --
' ' '
' ___ ' 1.2V

750ma Pico Fuse
.-----. _
-'~ +' ----o_/ \o-----
-'~ -'
DF08 Full Wave Bridge

Battery is fine - but green light showing recharge is no longer lighting and no electricity is getting to battery. It has NEVER been dropped or mishandled. Shaves fine but only on minimal battery power...

Assuming that your cord is not damaged, the circuit board is bad. This most often happens when you continue to use the shaver well after the batteries have lost their ability to hold a charge well.
You will find a new circuit board for model 6520 at See link below

Braun 6520 is not charging after changing the battery board.

there may not be anything wrong with the batteries and circuit board at all. you may have a bad motor

My braun Flex 6520 does not turn on. When the cord is plugged in no red or green lights come on. Is this a costly repair? Would it be better to buy new as this razor is approximatley 5-6 years old?

The cost to repair this isn't going to be nearly as much as a new Braun shaver as nice as this one.

The problem is that your rechargeable batteries have become degraded to the point that they won't take and hold a charge. Because the batteries have become so degraded, that even with the power cord plugged into an outlet, you still can't use the razor solely on AC power either.

If you want to have the shaver repaired for you, you can contact or give them a call at 1-888-476-1785 to get an estimate of the repair costs. Typically it takes about a week or less once they receive your shaver. They also stock most parts for many brands of shavers, including your Braun. I've used them for getting parts for several of my shavers and found them to be a very good company.

If you're handy and have a soldering iron you can disassemble the shaver and remove (unsolder) the bad batteries and solder in a new set. There are two small caps on the bottom of the razor that cover the screws that hold the body havlves together. Remove these with a small pick or small flat bladed screwdriver and remove the screws and carefully remove the body halves and that will let you get to the main board and the batteries.

Simply heat up your soldering iron and melt the end tabs off the batteries and remove them. Then solder in the new ones and make sure they are properly secured and have adequate solder on the tabs for a good connection. Put the covers back on and install the screws and and the caps and your all set for recharging the shaver. Let it charge for at least 8 hours and you should be all set!

So whether you decide to have the repair done for you, or do it yourself, I hope you find this Very Helpful and best regards!

The on/off mechanism on my dads braun 6520 is stuck. It won't turn on.

Hello running girl, Have you looked to see if maybe the "lock-off" feature hasn't been engaged?

If you look at the razor, right above the on/off and sideburn trimmer selector, you should see a full bar that goes all the way across the shaver. Push this up toward the shaving head to unlock the razor and the shaver should work fine again.

This is a Braun design feature there to help prevent the shaver from accidently getting turned on when packed in your luggage, etc. and running down a fully charged shaver.

There is nothing like reaching for what you thought was a charged and ready to use shaver and discovering that it got switched on and ran the batteries down.

Other than having the lock off feature engaged, I can't think of anything that would cause the switch not to turn on, unless the shaver was dropped and damaged. If that's the case, you will want to have it looked at to make sure the printed circuit board hasn't been broken, etc.

Typically this isn't something that most folks can undertake a diagnois and repair, so I'd suggest you contact or call them at 1-888-476-1785 to get an estimate for repairing it.

Hope you find this Very Helpful and best regards!

Braun 6512 shaver stop working

hi i would say that you have major problem with this did you drop it sounds like a problem with the circuit contact braun or shavers uk kevin.

No power

The motor brushes may be bad. Take the screen off and turn the shaver on. Manually move the blade back and forth a bit and see if it starts to engage. If it begins to run when you do this, the brushes are worn. Braun does not make replacement motors for your shaver
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