Check your battery charger for damage
- If the battery charger doesn’t turn on, the first thing to examine is the power cord and the outlet. This can save you the hassle of tearing your battery charger apart for no reason. Make sure the outlet cord reset button, not the test button, is depressed if it has one.
- If you have another electronic item handy, plug it into the outlet in question. If the outlet is good, plug the charger into a separate outlet. If the charger won't switch on, unplug it and carefully examine the cord. Are there any rips, tears or fraying in the cord? Are the prongs intact, or are they bent, cracked or missing?
- If the plug and outlet are both in good shape, the next thing to check is the battery. The easiest way to check the battery is with another charger. You don't need to wait for a full charge, but you also don't want to simply go by the LED display or voltmeter on the other charger. Test the battery by powering something appropriate with it. If you have another battery lying around, you can test your original troubled charger, too. If it will not charge a second battery, then you have an issue inside the charger.
- Before opening up your battery charger, look for signs of damage that might be causing a problem. Look for corrosion on the prongs or any foreign matter that might be impeding the connection. Corrosion is also an indication that the charger has been near water and might have internal damage from humidity.
- Pop open the casing and look at all the components on the control board. Check that the wires are connected and that nothing physical is amiss. Use a multimeter to check the transistors and diodes on the board to see if anything burned out.
Find battery charger repair parts at Sears PartsDirect
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