The red light keeps blinking while I have the charger plugged in, is this normal?

battery or charger failure need to test

Your Dyson may not have been connected to the charger correctly when last put away.

First, I'm not a Dyson Tech, but I have worked on battery operated recharge devices.
* Is this new or second hand? Most chargers for any device will blink red if the charge on battery is so low that the charger will not recognize the battery. If so (old battery) then got to get a replacement (New) battery.
Aloha, ukeboy57
FYI there is a slight possible fix for this old battery. But it's a long shot. Check on you tube on your specific battery "save ________ dead battery." (you force charge it to a reasonable level. But you didn't hear it from me ;-)

Power charger may be bad, check with known good charger.

Hi! The model number you provided M085845 is a corded vacuum that does not need to be charged. If you have a battery operated product, the indicator light will begin to blink after being plugged in for 12-14 hours or more. Try unplugging the charger for a few minutes. Hope this is helpful. If you still have questions please reach back out to us here of Fixya, Facebook.com/dirtdevil or Twitter @DirtDevil. Thanks!

Hi there! It sounds like you have our Linx stick vacuum or hand vacuum model. Plug only the charger into an outlet, the blue light on the charger should flash once. If the light on the charger flashes once then the charger is fine. Try resetting the battery by following these quick steps below.

1. Remove the battery from charger or cleaner
2. Unplug the charger
3. Insert the battery into the vacuum and turn the unit on for 30 seconds (even if it has no power)
4. Remove the battery
5. Plug the charger into an outlet, make sure the light on charger blinks blue once.
6. Insert battery into charger

The light should be a solid blue, indicating the battery reset worked. If so, allow the battery to charge for 3-4 hours, completely deplete battery on your next use and re-charge. If the light on the charger is still blinking, your battery will need to be replaced. I have included a link where you may go to purchase a replacement battery if needed. Hope this helps!

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I had the same issue, then i just found the manual, in charging part, it says:"The charging indicator will be lit as long as the
appliance is connected to the plugged-in
charger."
Also it says:"While charging, the charger may get warm, this is
perfectly normal and safe. It can remain on
charge indefinitely without damage or danger. It
is not possible to "overcharge" the battery cells
with the charger provided"

somethig is wrong in it check angian