Broan-NuTone CV450 Central Bagged Central System Vacuum Logo

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Posted on Jan 26, 2010
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Will not turn off when hose is pulled out of wall

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  • Expert 52 Answers
  • Posted on May 22, 2010
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Some units have an on/off switch on the power unit itself. Check to make sure that is not turned on. Unplug your power unit and remove the 2 low voltage wires (not the power cord itself) . The low voltage wires start at the unit and run throught your home and attach to each hose inlet. They are usually attached to the unit by simple wire terminals or wire capped to small wires coming out. Just unlug the terminals or unscrew the wire caps and pull the connections apart. Plug your machine back in. If it still comes on the problem is the relay or circuit board/switch/ relay assembly inside the unit. If it doesn't come on with the low voltage wires unattached then you may have two wires touching somewhere in the low voltage wiring.

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Related Questions:

0helpful
1answer

Central vacuum won't turn off when hose removed from wall socket

There is a switch somewhere close to where you plug in the hose. Check and see if the switch is stuck in the down position. If so, it will either need to be replaced or cleaned to allow the switch to raise to the off position.

Semper Fi,
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Aug 03, 2017 • Vacuums
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I installed the Hoover Wind Tunnel Central Vac in my new home. After connecting the wall outlets and successfully turning on the system from the hose control, I discovered there is lots of air flow t

I would recommend checking your wall outlets where the hose plugs in for any type of clog in the tubing. If the vacuum itself has great suction but when you go to the wall outlets that is probably something in the hose that is stuck. If cleared it will most likely have excellent suction throughout the entire system in the house.
Jul 21, 2012 • Vacuums
0helpful
2answers

The Vaccum is not turning on when i plug the hose into the wall. The hoover system will turn on when i turn the switch on at the base and wont go off till i turn the switch off. But it will not come on...

you can test this out by taking a small metal spoon and with the bottom side of the spoon insert it into the vac outlet on the wall. you want to touch the two metal pins inside the vac outlet to test if the unit is the problem or the hose is the problem.

If the unit starts, the hose should have a 3 year warranty on it. I recommend you have your nearest beam dealer check it out.

If the unit does not start, it has a 7 or 10 year warranty, the circuitry should be replaced. Again have your nearest beam dealer check it out.

good luck
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A Nutone CV-450 System with inlet nozzle switch issues

You are suffering a connection problem of the hose end fitting to the wall outlet. Either the hose is not aligned with the two pins in the wall outlet, or the pins in the outlet are dirty and not making good connection to the hose end fittting.
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1answer

Central Vacuum works when power switch on canister is turned on, but will not turn on when connecting the hose.

DOes it not work on any of your wall inlet valves? If all wall inlets appear dead take a coin making a connection with both of the contacts inside the throat of the valve. If the vacuum turns on the problem is in your hose or the powerhead. If nothing happens plug in your hose and try wiggling the low voltage wires at the vacuum as you leave the hose plugged in with the swich on your in the "on" position ( if you have a switch) If still nothing unscrew all valve plates from wall leaving wires attatched. Inspect all connections for loose wires or wires that have come off terminals. .
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The system was removed to another location and one

Yes it could. It sounds like your low voltage wires are not hooked up properly. You need to get your contractor back out there.
Joe
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My nutone vacuum system won't shut off when I pull the hose out of the wall...any thoughts

The relay that turns the machine off from any of the several places where you connect, is probably stuck.

The relay is operated by low voltage. When you connect your hose, you comlete the low voltage circuit and energize the 110 volt system, and the machine comes on. When you pull the hose out, the relay is suppose to release.

those are my thoughts

I hope this is of value to you.

a
0helpful
1answer

I have a Hayden SuperVac 3600, almost 10 years old. The unit still runs, but now when I switch to the power nozzle, it doesn't have power to turn that. I think this happened once before and maybe they...

The hose has fuseable link inside, generally a 3-7 amp. It is at the wall end underneath the hose cuff. Easy to replace as it crimps in line. If you have a meter you can also test the detachable hose to wall cord for continuity, then check the hose to handle as well.
You can also detach the hose to wall cord from the hose, and plug your power head directly into that cord,, then into the wall thereby eliminating the hose itself.
Hayden makes a serviceable hose. If damaged or the fuse blown it can be serviced by a good tech. If the fuse is blown you need to clean and inspect the power head as this may be the cause
2helpful
2answers

Outlet does not engage unit

I would try to remove the inlet from the wall and tighten the screws that the low voltage wires connect to. If that doesn't work I would buy a new inlet. They are very easy to change out and relatively inexpensive. The inlets are readily available online.
0helpful
1answer

Model 116.1260

Need the complete model #, 116.1260*****. I assume this is a built-in system? Yes you have to plug the hose into the wall outlet, and there usually is a switch on the hose handle to turn it on.
Jul 23, 2008 • Vacuums
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