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Dcb101 DeWalt 20 volt battery charger

Discussion in 'Troubleshooting and Repair' started by Abrame87, Jan 25, 2018.

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  1. Abrame87

    Abrame87

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    Jan 25, 2018
    I have a dcb101 20 volt Dewalt battery charger been working great fine not a problem went to plug a battery in today walked away came back about two hours later still indicating needs to charge so I left it alone for another hour knowing for sure that it would be charged seeing that it usually charges within an hour come back still showing it needs to charge check the battery status bar to see how much charge was in the battery and none had been added to the battery so battery charger shows charging like normal but battery can not take a charge or something anybody help me
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    Welcome to EP.

    You first need to identify the source of the problem: is it the charger or the battery? Do you have access to another battery or another charger to check which of your own ones is defect?
     
  3. Abrame87

    Abrame87

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    Jan 25, 2018
     
  4. Abrame87

    Abrame87

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    Jan 25, 2018
    Yes I'm sorry I should have mentioned that I have some of the batteries and I have tried them and get the same results charger says charging battery is not received charge
     
  5. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    This is a good indication that it is the charger having an issue. Can you open it and as a first test visually inspect for any suspicious components, loose wires, browned pcb etc.?
     
  6. Abrame87

    Abrame87

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    Jan 25, 2018
    I have opened it up I found no scar marks no solder brakes no loose wiring a little Dusty so I blew it out I also build houses for a living I've tried to plug the charger in at my house a house that I'm building I'm in my truck I have a power converter I've even plug it into it yet I get there the same results I try to put a new battery in harder we're doing it around nothing
     
  7. Abrame87

    Abrame87

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    Jan 25, 2018
    Also I have plugged it in after I opened it and I hear this buzzing noise coming from two different spots is a round component looks like has copper wire wound around it
     
  8. Abrame87

    Abrame87

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    Jan 25, 2018
    And one more thing I've also clean the contacts and the batteries and charger
     
  9. Abrame87

    Abrame87

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    Jan 25, 2018
    I am at a loss I don't know what else to do don't really have the money to buy another one and jobs waiting on me to start
     
  10. Harald Kapp

    Harald Kapp Moderator Moderator

    11,284
    2,583
    Nov 17, 2011
  11. Bluejets

    Bluejets

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    Oct 5, 2014
    These units are not made to be "repaired". There are plenty of after market units around if you cannot afford genuine replacement.
     
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