Question about Vacuums
There is either a blockage or a pipe is open somewhere. You should check the system at the wall valve without the hose to determine if the pipes are blocked or if perhaps the hose is plugged. If one of the wall valves is damaged or open, this will affect the whole system. Some times, there is painting or renovations taking place in the home and a valve has been removed during the work. I have seen this many times. All valves must be in place and closed for the system to function properly. I have also seen garage valves held open by storage boxes, etc. and they are overlooked because they don't get used often and in some cases, the home owner doesn't even know they are there.
If you turn the machine on with the switch on the side of the unit, observe the sound of the machine. If the motor races, then the pipes are closed (no breaks). If the motor runs normally, you have an opening somewhere. The same thing applies to the valves. If you turn the machine on and the motor races even when a valve is opened, then you have a blockage, but if the motor doesn't change when a valve is opened, then the pipes are compromised.
I hope this helps. Let me know.
Posted on Feb 18, 2008
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