Having problems with your Vacuums ?

We just installed a Hoover central vacuum system. As soon as we plug it in the system starts even if the switch is off. If we disconnect the wire the system goes off. What did we do wrong?


Answers :

You have either left the manual switch at the vac in the on position, or you have a low voltage short at one of your inlets in the house, or at the vac itself or where a pair of wires are connected together at a pipe junction.
Carefully go back inlet to inlet, remove the plates and be sure your mounting screw is not shorting two wires together. Trim any excess bare wire away and look for nicks in the insulation as well unless you see an obvious short. If you are using telephone type multi colored wire it is easy to bare an inside piece of wire while stripping the outer insulation.
Also be sure sure wires are paired the same color pattern at each inlet.
It is common to see a stripped wire touching another inside the wall or if you have metal backing plates in the wall a wire may be touching the plate and triggering the vac to turn on. Post back to advise,
the other possibility is you have a nail or screw in a wall piercing the wire but this is seldom ...
take your time,its an easy fix but it might be hard to spot
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