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ducted systems | trouble shooting guide

The Trouble Shooting Guide


The Trouble Shooting Guide See #6 See #4 See #5 See #11 See #14 See #2 See #3 See #1 See #9 See #10 See #12 See #13 See #7 See #8

Instructions
  • Start at the Blue rectangle.
  • Narrow down your problem by following a path of troubleshooting questions.
  • Click on a red circle to take you directly to a solution.
  • If the solution isn't quite right for your problem, you can return to the flowchart to try again.


1. Clog between inlet 1 and rest of systems
  • Isolate exactly where clog is - by running 1" styrofoam balls (each numbered) through each inlet. Find which balls made it to the power unit.
  • Try steps of Solution #3 especially B,C,D,F
  • Problem is usually at a Tee.
  • If only one inlet is clogged and cannot be fixed, relocate new pipe via existing installation method.


2. Clog somewhere else in the system
  • Check powerbrush.
  • Check wands.


3. Clog in line between unit and first inlet
  • Check fitting just inside inlet and just inside of power unit for debris.
  • Reverse vacuum with other portable vacuum or built-in vacuum (first disconnect built-in vacuum from vacuum lines.) Suck from the inlet that is bad.
  • Run electrician's fishtape through and try to hook object.
  • Put hose end in, plug end to build pressure, then suddenly release. Try this multiple times from various inlets.
  • Run small string through as a "pigs" towards B.I.V.motor, then reverse suck with a portable.
  • Run paper towel through from B.I.V motor toward portable at nonfunctioning inlet.
    • Very important: Now run paper towel through all inlets and make sure they all arrive in power unit. If they don't, repeat steps A through F.
    • If these solutions will still not free up the "line": approximate where clog is and locate if accessible. (attic, crawlspace, closet.)
  • Cut pipe and feel suction & visual inspection.
  • Run paper towel through and listen for humming or vibration, possible nail in pipe or picture hung with toggle into pipe
  • Run small string through from b.i.v. to inlet w/ portable then tie heavier string - to heavier string to large object. (always tie a safety line to large object to pull it back if needed).
  • Locate exact location by noise w/ping pong ball in inlet & turn on b.i.v. (remote inlet to get ball in). Find least obvious way of lifting flooring or cutting into back of cupboard or ceiling to access clogged spot. Cut pipe, remove clog, patch back access.
  • Again run paper towel through each inlet.
  • Pipes which run underground can sometimes coagulate with debris from moisture.
    • Route out with long blunt object.
    • Run 10 pounds of rice through system
    • Trench old lines and replace.
    • If lines run under concrete driveway, relocate power unit in area where accessible to locate.
  • Re-route pipes from section which does not work. Abandon any unnecessary lines.
  • Check for "wrong way" Y's or T's.
  • Any recent construction or workers who might have driven nail into pipes. (esp. closet organizers, phones, or alarms.)


4. Bad inlet - replace inlet & plug hose in again
  • Check to see if inlet is of same type w/contact points. If not; it may have a push button which requires a latching relay.
  • When replacing inlet look to see if old one had tape on inlet neck, if so: put tape in approximate same location on new inlet. When re-installing vacuum, test for air leak: If slight hissing coming from inlet; additional tape required on inlet neck.


5. Low voltage wire cut
  • Recent construction done?
  • Rats?
  • Detached garage with unit located in garage?..Recent digging?
  • Re-splice broken wire (coppers together and tins together).
  • Wires disconnect at unit.(on Godfreys units only) 4 coming from vac unit plus at least 2 coming from house. Should be (1 black, 1 red , 1 from house) and (1 black, 1 yellow/or red, 1 from house).
  • Re-route wire from any working inlet or power unit to any section of wire to inlet that does not work. (Run under carpet, behind baseboards, stapled in corners or closets or down inside of walls. Try to tie it to existing bad wire and pull it through).


6. Clog in the hose
  • Reverse the hose at inlet on power unit. Suck it out.
  • Drop kitchen knife or heavy object through hose - sling it or squeeze hose & twist to get through.
  • Shove garden hose through vac hose. (don't turn water on!)


7. Unit is good, pipes have leaks
  • Recent work done on house?
  • Recent wallpapering or paneling? Inlet removed or re - installed wrong?
  • Inlet lid broken?
  • Hidden or forgotten inlet?
  • Inlets installed in floor; pipe fell down or loose.
  • Turn unit on and walk around house listening for a leak.
  • Inlet roughed in but not found on finish?
  • Pipe running underground has a break in it. Recent gardening or tree has strangled it.


8. The Power unit has bad suction
  • If multi-motored unit: are both working?
  • Check power unit gaskets & cracks in housing.
  • Improper voltage into power unit.
  • Loose wires.
  • Mini-breaker has malfunctioned.
  • On cyclonic unit:
    • Unit & debris in motor fan blades.
    • Lint & debris on screen on intake.
    • Too much back pressure from exhaust line.
  • On bag type unit: Excessive amount of very fine plaster dust clogging primary or secondary filter.
  • Motor loose.


9. Short in power unit
  • Directly isolate low voltage leads alone (disconnect all auxiliary switches).
  • Short in relay. (very rare)


10. Short In low voltage system
  • Recent attic work or someone in crawl space?
  • Rats chewed through wire?
  • Disconnect any splices you can find & check continuity of short.
  • Worst case: re-route wire from any other working inlet or wire. (Possibly running wire behind baseboards, under carpet, in closets, or in air ducts)


11. Relay getting power but not starting unit
  • Most likely motor brushes need to be replaced.
  • Isolate motor and see if it works.
  • Check wiring from relay to motor: Does it go through a mini-breaker?
  • After replacing brushes: if it won't take them, them replace the motor.


12. The power unit is not getting electricity
  • Check house circuit breaker.
  • Plug vacuum in another electrical outlet.
  • Is the circuit breaker the right size for the power unit?
  • See what all is on the circuit: is it overloaded?
  • Continually recheck the system after you do get power to see if it was the vac that tripped the circuit.
  • If necessary, have an electrician look at it.


13. Transformer and motor not getting power
  • Bad cord?
  • Bad transformer, check for spark between 2 low voltage wires out of transformer.
  • Bad relay, check points, arc across to see if it solves it.


14. Low voltage in hose is not working.
  • If switch feels "mushy" then it needs to be replaced.
  • Remove hose from wall and take apart the handle end. Look for lint or other debris in contact points.
  • Make sure hose is being fully inserted into inlet.
  • Hose may need to be replaced.

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