Question about Dewalt DC500 Canister Wet/Dry Vacuum

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DeWalt DC500 Shop vac

When I plug in or put battery in the vacuum all it does is make one clicking noise and won't run. I had the switch checked and that seems to still be good.

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Re: DeWalt DC500 Shop vac

The problem on your vacuum is the dc - dc converter.u cna replace them but to follow the same connection.

Posted on May 28, 2008

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Re: DeWalt DC500 Shop vac - Dewalt DC500 Canister Wet/Dry Vacuum Vacuums

Try replacing the in line fuse!

Posted on Jun 29, 2008

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1 Answer

Why vacuum works for a few seconds only

Check the batteries with a voltmeter. Inspect the wiring for loose connecions or broken solder joints. Check the switch with a continuity tester.

Jun 14, 2014 | Dewalt DC500 Canister Wet/Dry Vacuum

1 Answer

My DC500 works fine running on battery power, but the motor hesitates for a moment or two when the unit is switched on with ac power. After this it works fine. What might be wrong?

may be the carbon brushes are short or motor connectors have become bad connection by moisture and dirt by use temporay a wrong filter sometimes its a very light and simple motor johnson motor with hammer brushes
DeWALT DC500 Type 1 Vacuum Parts

Mar 13, 2011 | Dewalt Vacuums

1 Answer

My Dewalt dc500 only works on AC power (plugged in to wall socket). When you put in the battery it doesn't work. Can anyone help?

Check battery contactor on the vacuum and on the battery. It is a common problem on this vacuum. Check for bent pins and corrosion.

Jul 13, 2009 | Dewalt DC500 Canister Wet/Dry Vacuum

2 Answers

Dewalt dc500 won't **** in water

there is a float ball or reed that closes off the exhaust port inside the canister, to prevent water from filling too high when used as awet vac. If lodged or trapped it will prevent suction or discharge in wet and dry modes. look at the housing that the filter attaches to and you will see it. if it doesnt rattle when you shake the unit up and down, it is stuck; otherwise, you must not be spinning the fan blades.

Jun 23, 2009 | Dewalt DC500 Canister Wet/Dry Vacuum

1 Answer

DeWalt DC500 wet/dry vacuum

I had the same problem and traced it down to the on/off switch. I sprayed some electical contact cleaner down inside the switch and now it works normal. Hope this helps.

Oct 23, 2008 | Dewalt DC500 Canister Wet/Dry Vacuum

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