PROSCRUB OWNER’S MANUAL PAGE
23
08-2017
TROUBLESHOOTING
PROBLEM
SYMPTOM
SOLUTION
No power, nothing runs
Batteries need charging
Batteries faulty
Loose battery cable
Batteries not connected properly
Charge the batteries
Replace batteries
Tighten cable connection
Connect properly
Brush motor does not run
Faulty brush switch
Machine circuit breaker has tripped
Faulty wiring
Faulty brush motor
Carbon brushes worn
Faulty solenoid
Contact service center
Allow motor to cool down, breaker
will automatically reset
Contact service center
Contact service center
Replace if worn to 3/8 or less
Contact service center
Vacuum motor does not
run
Faulty vacuum switch
Faulty wiring
Faulty vacuum motor
Carbon brushes worn
Contact service center
Contact service center
Contact service center
Replace if worn to 3/8 or less
Short run time
Batteries not fully charged
Bad cell in one or more batteries
Batteries need maintenance
Faulty charger
Charge batteries
Replace battery
See “Battery Maintenance”
Replace charger
Little or no solution flow
with knob in open
position
Solution flow lever is not activated
Solution line is clogged
Solution valve is clogged
Rod does not rotate when knob is
turned on
Push flow lever forward
Remove hose and blow compressed
air through it. Then flush with
clean water
Remove valve and clean. Do not
scratch or damage inside
Solution flow adjustment knob needs
adjusting with set screws
Poor squeegee pickup
Recovery tank is full
Ball float shutoff screen is clogged
Squeegee is clogged with debris
Squeegee blades are worn Squeegee
thumbscrews are loose
Vacuum hose connections are loose
Vacuum hose is worn or has a hole
Vacuum is clogged with debris
Tank gasket is defective
Recovery tank water inlet is plugged
Recovery tank lid is loose
Vacuum motor is loose
Battery charge is low
Empty tank
Remove screen and clean
Clean squeegee
Replace blades
Tighten screws
Push hose firmly onto connections
Replace
Remove debris
Replace gasket
Empty recovery tank and tilt sideways
And flush in water to remove
clogged debris
Tighten lid
Tighten down vacuum motor, do not
over-tighten!
Do not run scrubber if meter is in the
red zone
