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OPERATOR MANUAL
PROBLEM
Control handle bail not pulled
Batteries need to be charged
Bad batteries
Machine will not
operate
Loose batteries connection
Circuit breaker tripped
Faulty button switch
Scrub head is raised off floor
Faulty scrub head (up/down) switch
Brush motor will
Faulty control handle bail switch
not operate
Faulty brush motor or wiring
Worn motor carbon brushes
Faulty vacuum motor or wiring
Vacuum motor
will not operate
Worn motor carbon brushes
Ball valve set too low or shut off
Solution flow control knob set too low or
Little or no
shut-off
solution flow
Clogged solution tank filter or solution
hose
Clogged solution solenoid valve
Recovery tank is full
Loose drain hose cap
Clogged float shut-off screen located in
recovery tank
Clogged squeegee assembly
Worn squeegee blades
Incorrect squeegee blade deflection
Poor water pick
Loose vacuum hose connections
up
Clogged vacuum hose
Damaged vacuum hose
Recovery tank cover not in place
Damaged recovery tank cover seal
Faulty vacuum motor
Low battery charge
Low battery charge
Short run time
Defective batteries
Faulty battery charger
12
BASIC TROUBLESHOOTING
CAUSE
SOLUTION
Pull control handle bail
Charge batteries
Replace batteries
Tighten the connector
Reset breaker
Contact Dealer
Lower scrub head
Contact Dealer
Contact Dealer
Contact Dealer
Contact Dealer
Contact Dealer
Contact Dealer
Turn on the ball valve
Adjust solution control flow knob
Clean solution tank filter or flush out
solution hose
Remove valve and clean
Drain recovery tank
Tighten cap
Clean screen
Clean squeegee assembly
Replace or rotate squeegee blades
Adjust squeegee blade height
Secure hose connections
Remove clogged debris
Replace vacuum hose
Properly position cover
Replace seal
Contact Dealer
Recharge batteries
Fully recharge batteries
Replace batteries
Repair or replace battery charger
i20NBV
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