63
Maintenance
PROBLEM
CAUSE
SOLUTION
Vacuum motor does not run, or
runs slowly
Faulty vacuum circuit or switch
Check wires & connections
Worn vacuum motor brushes
Replace brushes, check commutator
Vacuum circuit breaker tripped
Reset circuit breaker
Poor scrubbing performance
Debris caught in scrub brush
Remove debris
Worn brush or pad
Replace brushes or pads
Improper detergent, brush or pad used
Contact equipment or application
specialists
Low battery charge
Charge batteries
Little or no solution flow to the
floor
Solution tank empty
Fill solution tank
Solution strainer plugged
Clean solution strainer
Solution system plumbing obstructed
Clear obstruction from plumbing
Solution solenoid valve obstructed or
stuck
Solution solenoid valve obstructed or
stuck
Solution metering valve is closed
Open metering valve
Faulty solenoid
Check solenoid valve
Brush motor does not run, or
runs slowly
Circuit breaker tripped
Reset circuit beaker
Low battery charge
Charge battery
Faulty brush circuit or motor
Check wires, connections and motor
Worn brush motor brushes
Replace brushes, check commutator
Squeegee won’t go down
Squeegee in double scrub mode
Release squeegee from double scrub
mode
Deck won’t go down
Actuator circuit breaker tripped
Reset actuator circuit breaker
86398220 Operators Manual - Chariot-2 iScrub 20
