SOURCE: I have a Panasonic cordless
Start by swapping the batteries between units. If the formerly bad handset charges, it's a battery. If not, look for dirty contacts where the unit sets into the base or the batteries fit into the holder.
Carl
SOURCE: Sony cybershot f717 battery won't charge
Same for me too... And a bunch of other stuff! I can't choose to have the flash, can't use the veiwfinder...
SOURCE: charge
How long have you had the shaver? If it has been a couple of years, then it sounds like the batteries are exhausted.
The batteries can be replaced, although it's not as easy as changing them out of a flashlight. There is a way to disassemble the shaver and change the batteries. They are soldered in place at two basic points. If you obtain replacement batteries (on eBay you can get them for about $12 a piece), you can perform the replacement yourself:
Opening a Braun 7000 Series Shaver
1) Find a thin metal object with no sharp edges (such as a nail file). Use your thumb and pull on the bottom end cord socket part, enough to cause a gap between it and the back shell. Insert the metal object into the gap in the center of the part. THEN pry it off. If you use a regular screw driver, you will likely cause gouges in the plastic. And the best leverage is in the center.
2) The silver side parts are held on by two tabs at the top. With the bottom piece gone, the side parts swing off easily. Don't worry about keeping track of which sides the silver trim pieces go on, as they're designed to fit on only one side (you'll see the cutout for the shaver head stem is off to one side).
3) The case is held together by 4 small torq screws. Use a torq screwdriver--do not attempt to do this with anything else. Be careful to turn the screws slowly, so you don't strip them.
4) With the screws removed, the two halves of the shaver will come apart. The remaining parts can be extracted without any special tools. Keep note of how they are removed, as assembly will be the reversal of removal.
5) Note that if you are replacing the batteries (there are two of them), you will need a soldering iron to detach them from the circuit board, unless you're replacing the whole part.
6) Reassembly is pretty much what you expect--the reverse of disassembly. However, the bottom cord socket part is tricky to get put into place. Pushing straight down on this part will not get it to go in, nor any other obvious way. It's best to get the prongs inserted on one side, then while pushing in on the prongs of the opposite side, apply pressure on the top side surfaces. The part should snap right back into place.
SOURCE: Braun 5614 rechargeable cordless shaver light flickers
Your batteries are starting to degrade, but the good news is they're still holding a charge for a week, so you really don't need to rush to replace them at this point.
The flickering of the charged indicator is normal, as the shaver is still plugged in and the batteries are fully charged. The flickering is due to the batteries chemicals breaking down, and as such, the charge cycle keeps "topping" them off while it's still plugged in.
When you finally aren't able to get a decent amount of cordless operation and run times from your shaver, then you'll want to get them replaced, whether you decide to do that yourself or have it done by a professional service center, is up to you.
Here's a reference for your future use. www.electricshaver.com carries replacement (factory OEM) batteries for most brands of shavers and they also will provide the repair/replacement service for you, should you decide you don't want to do it yourself. You can also give them a call at 1-888-476-1785 and request a price quote, etc.
Anyway, your shaver is working fine and all you need to do is make sure you're not letting the shaver stay plugged in and charging constantly for more than a day, since any "extra" chargind isn't doing anything except keeping the batteries at a constant state of charge. Heat is a byproduct of charging and discharging any battery and as such, you want to allow for a cool down period before recharging them.
I tend to use my shaver until it is almost completely discharged before recharging it. By doing this, you can get the longest working life out of your batteries before you'll have to replace them.
Hope you find this Very Helpful and best regards!
Testimonial: "very helpful"
SOURCE: My 7 year old Norelco 5885XL just died.
if interested, I would like to buy your shaver for spare parts?
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