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TROUBLESHOOTING
D100 86038260 05/21/07
4-
4
PROBLEM.
CAUSE SOLUTION
No power to machine.
Faulty power cord. Replace.
Dead electrical circuit. Check building circuit breaker or fuse box.
Electrical shock.
Equipment not grounding. Follow grounding instructions exactly.
Receptacle not grounded. Contact an electrician to check building’s wiring.
Internal wiring problem.
Have a trained service technician check machine’s
wiring.
Vac motor speed varies
or doesn’t run.
Worn motor brushes. Replace.
Motor worn out. Replace.
Faulty switch. Replace.
Loss of vacuum.
Loose vacuum dome. Center and seal dome over tank.
Crack in dome or poor
joint.
Replace or repair using acrylic plastic cement only.
Lint or dirt clogging
vacuum screen.
With power off, clean screen.
Loose cuffs on vacuum
hose.
Tighten cuffs turning counterclockwise.
Vac motor seals leaking. Replace.
Floor tool vac chamber
clogged.
Wash out with hose. Pick lint out with a wire.
Vac motor, hose or gasket. Replace.
Solution hose fitting
hard to connect.
Corrosion on fittings.
Clean with steel wool. Soak in acetic acid (white
vinegar). Lubricate lightly with silicone base
lubricant.
Carpet not getting
clean.
Severe soil conditions.
Make several passes at right angles to each other.
Use a prespray.
Carpet too wet.
Over saturation.
Adjust solution pressure to lower settings. Make
several passes with spray.
Carpet browning.
Leaving carpet too wet. Check for loss of vac pressure.
Too much chemical in. Check label for correct solution concentration.
Light carpet with no brown
prevention.
Go over carpet with browning prevent only.
Solution not flowing
properly.
Solution hose connection. Check for positive connection.
Faulty pump. Repair or replace.
Faulty floor tool valve. Repair or replace.
Faulty pump switch. Repair.