To change a fuse, you need to disconnect the charger from any outlet to avoid possible electrocution. Just visit your local hardware or electrical shop, and ask if they are selling Dewalt fuses. If you have a broken one, don’t fret because you can still repair your charger by buying a new fuse and exchanging it to the faulty one. Every time you charge, always check if the fuse is in good condition.

Some Dewalt chargers have fuses as a part of their bodies, and having a damaged one greatly influences a charger’s effectiveness. You can also try transferring to a different outlet or charging unit, and see if it would make a difference. If it is not, it might be the capacitator of the battery itself that is the problem. When this occurs, make sure that the charging process is ongoing by checking the red blinking light. There are instances wherein a Dewalt charger would make high-pitched noises when attached to a battery for charging. When a Dewalt charger shows a blinking red light, it means that it is in charging mode you are not to unplug the charger until it reaches its maximum battery capacity or until the blinking red light turns to green.ĭewalt Charger High Pitched Noise Problems Sometimes, these lights leave owners puzzled, making them wonder what does a blinking light mean. A Dewalt charger has LED indicators, and each of these lights has its own meaning. Dewalt Charger Loose Capacitator ProblemsĪlthough not seen as a direct defect, LED indicators still breed problems, especially to those owners who did not read the manual.Dewalt Charger High Pitched Noise Problems.

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