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PROBLEM.
No Power, Nothing
Runs
Vacuum Motor Will Not
Run
Vacuum Motors Runs
But Suction is Poor
Poor or No Water Flow
(Carpet is Streaky)
Brush Does Not Spin
Machine will Not Propel
when Handles are
Squeezed
Solution/Brush turn on
when brush switch
engaged
CAUSE
Is the cord plugged in.
Circuit breaker tripped in
building.
Faulty switch.
Faulty power cord or
pigtail.
Vacuum circuit breaker
tripped.
Faulty main vacuum
switch.
Loose wiring.
Faulty vac motor.
Debris lodged in vac shoe.
Dome gasket defective or
missing.
Vacuum hose cracked or
hose cuff loose.
Incorrect vac shoe angle.
Recovery tank full/float ball
stuck in the up position.
Clamp loose on vac motor.
Recovery tank inlet loose
or gasket defective.
Vac shut-off engaged.
Solution filter clogged.
Jets clogged or missing.
Faulty solenoid.
Propel lever not engaged.
Brush switch on.
Brush circuit breaker
tripped.
Propel lever not engaged.
Brush belt not broken.
Faulty brush motor.
Circuit breaker tripped.
Speed control knob set at
zero.
Faulty speed control
board.
Faulty propel motor.
Faulty micro switch.
CMD20 86038150 05/10/11
SOLUTION
Plug in cord.
Reset breaker.
Call for service.
Call for service.
Reset breaker.
Call for service.
Call for service.
Call for service.
Remove debris from vac shoe.
Replace as necessary.
Replace or repair as necessary.
Adjust as necessary.
Drain and rinse recovery tank, free float ball.
Call for service.
Call for service.
Drain recovery tank.
Drain solution tank and clean solution filter.
Clean using a vinegar/water solution or replace.
Call for service.
Brush switch must be on and propel lever squeezed
to activate spray.
Turn on brush switch.
Reset circuit breaker.
Propel lever must be squeezed to activate brush.
Replace as necessary.
Call for service.
Reset circuit breaker.
Turn speed control knob between 1-5.
Call for service.
Call for service.
Call for service.
TROUBLESHOOTING
17
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