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III. Troubleshooting check list - WindTunnel
The following is a guide to aid in determining the origin of a problem for which this model could conceivably be brought in
for service
Problem Possible Cause
A. Motor won't 1 Open in attachment cord.
run 2. Open in wiring.
3, Thermal protector open.
B. No pickup
at nozzle
C. No pickup
using tools
4. Switch failed.
5. Switch rod failed.
6. Motor brushes failed.
7. Motor failed.
1. Agitator belt broken.
2. Agitator brushes worn.
3. Paper bag full.
4. Secondary filter clogged.
5. Gasket on bag door damaged.
6. Gasket at base of bag door damaged,
7. Seal on dirt duct damaged.
8. Hose disconnected at rear of unit.
9. Hole in hose or hose clogged.
10. Hose from nozzle damaged or mispositioned.
11. Seals in agitator cavity or bottomplate worn or
missing,
12. Motor mount mispositioned or damaged.
1. Hose damaged or clogged.
2. Hose not locked intodirt duct.
3. Bag full.
4. Secondary filter clogged.
5. Gasket on bag door damaged,
6. Gasket at base of bag door damaged.
7. Seal on dirt duct damaged.
8. Motor mount mispositioned or damaged.
Possible Solution
1. Replace cord.
2. Check connections at motor and insulated
terminals. Check wiring to switch.
3. Replace TOC (eady models). Unplug unit
and plug it back in and check operation
(late models). Continual tripping of TOC
requires further attention.
4. Replace switch.
5. Replace upper handle assembly.
6. Replace motor brushes.
7. Replace motor assembly.
1. Replace belt.
2. Replace agitator.
3. Replace bag.
4. Clean or replace filter.
5. Replace gasket.
6. Replace gasket,
7. Replace seal.
8. Check to insure hose is locked into dirt duct
and nozzle hose extension or angled hose
connection.
9. Replace hose or clear obstruction,
10. Replace if damaged. Check to insure hose
is properly held in position by hose clamp at
main body,
11. Replace. This condition will not result in
significantsuction loss.
12. Replace or reposition. Positioniscritical.
1. Clear obstructionor replace hose.
2. Check connection.
3. Replace bag,
4, Clean or replace filter.
5. Replace gasket.
6. Replace gasket.
7. Replace seal.
8. Replace or reposition. Positioniscritical.
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