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12 volt Ridgid battery charger saying battery bad with no battery in charger

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    12 volt Ridgid battery charger saying battery bad with no battery in charger

    When the power blinked the battery charger when stupid the red and green LED lights flashing

    Replaced the following capacitors

    1uf@50 volts one
    10uf@50 volts one
    47uf@50 volts one
    100uf@ 35 volts one
    100uf@ 16 volts two

    Now the battery charger works again the way it should
    9 PC LCD Monitor
    6 LCD Flat Screen TV
    30 Desk Top Switching Power Supply
    10 Battery Charger Switching Power Supply for Power Tool
    6 18v Lithium Battery Power Boards for Tool Battery Packs
    1 XBox 360 Switching Power Supply and M Board
    25 Servo Drives 220/460 3 Phase
    6 De-soldering Station Switching Power Supply 1 Power Supply
    1 Dell Mother Board
    15 Computer Power Supply
    1 HP Printer Supply & Control Board * lighting finished it *


    These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

    1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
    2 Hem Saw Computer Stack Board

    All of these had CAPs POOF
    All of the mosfet that are taken out by bad caps

    #2
    Re: 12 volt Ridgid battery charger saying battery bad with no battery in charger

    a nice and easy one!

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