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TROUBLE SHOOTING CHART
PROBLEM
No power to machine
Electrical shock
Electrical shock
Vac motor speed varies or
doesn't run
Loss of Vacuum
Solution hose fitting hard to
connect
Carpet not getting clean
Carpet too wet
Carpet browning
Solution not flowing properly
POSSIBLE CAUSE
Dead electrical circuit
Faulty power cord
Equipment not grounding
Receptacle not grounded
Worn motor brushes
Motor worn out
Faulty switch
Loose vacuum dome
Crack in dome or poor joint
Lint or dirt clogging vacuum
screen
Loose cuffs on vacuum hose
Vac motor seals leaking
Floor tool vac chamber
clogged
Vac motor, hose, or dome
gasket
Corrosion on fittings
Severe soil conditions
Over saturation
Leaving carpet too wet
Too much chemical
Solution hose connection
Faulty pump
Faulty floor tool valve
Faulty pump switch
D-250 86038570 05/11/07
TROUBLESHOOTING
SOLUTION
Check building circuit breaker or fuse
box.
Replace.
Follow grounding instructions exactly.
Contact an electrician to check
building's wiring.
Replace.
Replace.
Replace.
Center and seal dome over tank.
Replace or repair using acrylic plastic
cement only.
With power off clean screen.
Tighten cuffs turning counterclockwise.
Replace.
Wash out with hose. Pick lint out with a
wire.
Replace.
Clean with steel wool.
Soak in acetic acid (white vinegar).
Lubricate lightly with silicone based
lubricant.
Make several passes at right angles to
each other.
Use a prespray.
Adjust solution pressure to lower
setting.
Make several passes without spray.
Check for loss of vac pressure.
Check label for correct solution
concentration.
Check for positive connection.
Repair or replace.
Repair or replace.
Repair.
10
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