Occasionally, the charger might show blinking red right to indicate bad batteries. ... This indicates that the battery already have a full charge. If charging is needed, briefly drain the batteries before trying again. If the light blinks red in about 90 seconds after battery insertion, then the battery voltage is too low.
SOURCE: flashing red light
Your power supply is faulty I'm afraid. Unless you have soldering skills, I am afraid you will need to contact a professional TV repair person. If you feel confident to try the repair, contact me with the model number, and I will let you know what components you need to change
SOURCE: Dewalt dc011 won't charge or play on battery
could be a fuse in the radio. check with your local dewalt dealer.
SOURCE: i have a dewalt dc011 radio, it will not charge a
Sorry to say the unit has a short in it, You need to have it serviced to fix the problem.
Testimonial: "thanks, just had it looked at it's the charging unit thats gone £80 to fix :-( "
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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