Question about Dyson DC21 Motorized Power Floor Tool
Powerhead keeps shutting off. I cleaned the beater bar, filters, and it still shuts off. It even shuts off while holding in my hand and off the floor, not even doing any vacuuming. The electrical contacts seem a bit loose (they flex up and down a bit in the unit) could that be the problem?
There are several possibilities, some of which you seem to have already checked.
1) The filters are clogged. System will cut out quickly if there is little or no airflow, to prevent overheating.
2) There is a clog somewhere besides the filter. Run through the checking for clogs steps in the manual, page 6. (
3) There is a small, Hall-Effect sensor near the filter that detects that the filter is in place and seated properly. If it is faulty, or the filter ISN'T seated properly, it cuts the power. Replacing that is beyond the scope of what I can safely advise on.
4) There are temperature sensors for the unit. If it's too cold, or too hot, no power. Too hot means the system thinks the battery is overheating, which can be dangerous. If the temp sensor is bad, that could do it too. This is also past what I can really help you on.
Posted on Nov 04, 2015
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Posted on Jan 02, 2017
I have finally fixed my sister's dyson dc 15 beater bar problem. It was just 2 tiny broken wires connect to circuit board lead to the beater bar. The wires broke where they go through the black rubber gommet. You need a torx screwdriver tx 15 to remove 2 plastic covers to access the wires. When looking at the front of the vacuum, the gray covers located on the right side of the vacuum. 1 big cover with a black rubber gasket and other small gray cover is on the rotating ball area.
This my new year resolution is to warn people not to buy Dyson vacuum cleaner ( Junk) design to break down! Shame on you Dyson!!!! Save your money find good old vacuum cleaner with metal parts.
OLD IS IN NEW IS JUNK!
Happy New Year!
Posted on Jan 01, 2009
Not sure how I can help, as it seems you know what the problem is! Fit a new brush bar! On some Dyson models (not sure if the DC17 is one of them) you have to fit a new sole plate at the same time - they are supplied together as a kit. Good luck.
Posted on Jan 02, 2010
Your Dyson is designed to cut out if it becomes overheated, and it then takes about half an hour to cool down properly. If you don't resolve the problem, it will soon cutout again. Clogeed filters or other blockages are the usual cause of cutting out, but there are others, for example, incorrectly fitting valves, or broken belt. You need to do more cleaning. Follow the step by step instructions for your model, which can be found here.
You will be following a path for solving cutting out when you are using the machine, and I would be surprised if you can't fix yours.
Posted on Jul 10, 2010
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