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Donald Ashton Posted on Jul 23, 2017
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When I insert a fully charged DeWalt 40V pack into my DCB114 charger, teh light flashes fast as it would if there is a porblem. Is this normal?

2 Answers

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  • Master 2,931 Answers
  • Posted on Feb 07, 2018
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If the battery is fully charged, why are you trying to charge it?

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  • Posted on Feb 07, 2018
Domenico Grillo
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Yes normally means faulty battery pack try another one

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5 Related Answers

Anonymous

  • 1 Answer
  • Posted on May 23, 2008

SOURCE: Works off 110V and battery, but doesn't charge battery, led flickers fast, battery is fine, can charge it with my normal charger

Decase by removing the eight screws on the back. Check the charging fuse isnt blown. You will find it on the underside of the square circuit board that mounts on the back of the charger port.

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Craig Butler

  • 1730 Answers
  • Posted on Jun 26, 2009

SOURCE: i have a dewalt DW005 24V hammer/plus drill i am

The battery has probably lost it's ability to receive a charge. Is it old? Check the output of charger, should be around 26 volts DC at the output jack.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c

Anonymous

  • 51 Answers
  • Posted on Aug 08, 2009

SOURCE: Dewalt dc011 won't charge or play on battery

could be a fuse in the radio. check with your local dewalt dealer.

agent91

Ned White

  • 2100 Answers
  • Posted on Apr 25, 2010

SOURCE: I purchased a new charger for my Dewalt Cordless Drill

They usually have a little pic on there that tells you what the blinking means. I think it is charging, but sometimes it needs a green light too. Check it out. Mine flashes all kinds of signals, when it hits a dead battery, one that won't charge, it flashes something else. It only takes an hour to charge. Is the battery getting charged at all? Hope this helps.

Repair Ahjoshe

  • 885 Answers
  • Posted on Jan 30, 2012

SOURCE: broken dewalt battery 18v lithium ion

When a Dewalt charger is showing a fast blinking red light it means the battery is no longer chargeable. It may be because of a bad cell or short inside the battery. Whatever the reason the charger will not charge the battery and it needs to be replaced.

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My Dewalt battery charger DE9116-XE flash's fast after slowly flashing at the start. The explanation on the charger is if this happens to replace pack, but this is a new battery I just bought It.

some batteries are bad from factory, you should exchange it for another and try again. Make sure the battery voltage and type (ie. lithium, Nickel Cadmium,etc.) match the charger. If not, you can buy most replacement batteries for older models on the internet. If a second battery doesn't work - it's the charger .

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How long is it charging until the light goes from flashing red (no charge) to yellow to finally green (full charge) ? If it's not at least 2 hours, sorry I don't have my Roomba papers available, so I'm guesstimating here, it's not getting a full charge. If you can put a voltmeter on the " fully charged" battery pack, that might tell you if the charger is the problem. Clean off the metal contacts where Roomba meets the two metal contacts on the charger. Also just because a battery pack or set is new doesn't mean it's functional. I had a new Apple battery for my laptop that didn't work when I replaced an older one.
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I'm charging a brand new Dewalt 20v battery on the dcb106 charger. When I put on the battery, the light flashes like normal but then dies out in about 3 seconds. Problem with charger? I'm planning to...

I had the same issue. The problem is resolved by fully inserting the battery pack until it clicks into the charger. When inserted properly you shouldn't have this problem
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These de0245 chargers are designed to detect certain problems that can arise with battery packs which would be indicated by the red light flashing at a fast rate.

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If the new battery pack gives the same trouble indication as the original, have the charger tested at an Authorised Service Centre.

If you need new battery for this tools
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I live by hitachi, one of the good things about it is lowes will exchange them as long as you have a receipt and it's under 30 days. If not chargers are not very expensive, or you can send it back for repairs. I have 10 of those combo packs and never had a problem with a single one, for you to get 2 is a freak accident.
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As you know, solid red on your charger means that the battery is fully charged and the BLINKING red light means the battery is charging. Unless the light is blinking irradically everything is working the way it is supposed to. If the light is blinking irradically, the battery may just be too hot or too cold to charge ( like when you are driving many lags and your battery dies) and in this case simply wait 15 minutes to charge. If you get a fast blinking light still, the problem probably is with the battery.
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When charging battery flashes red then stays on red.how long should it take to change to green?.its a dewault9130 18 volt

it doesn't change to green, the solid red light means it is fully charged, there should be a legend on the front of the charger to help you with this. If it flashes real fast the battery is malfunctioning and slow flashing is charging and again solid is fully charger.
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