Minuteman E17_E20 Electric Walk-Behind Scrubber Disc Brush Drive - Manual (Page 36)

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Problem Possible Cause Remedy
Poor water pick-up Worn or torn squeegee blades Rotate or replace blades
Recovery tank full Empty recovery tank
Recovery tank drain hose leak Secure drain hose cap or replace
Recovery tank lid gasket leak Replace gasket lid cover properly
Debris caught in squeegee Clean squeegee
Vacuum hose clogged Remove debris and flush hose
Using too much solution Adjust solution control lever
Recovery hose to squeegee or recovery
tank disconnected or damaged Reconnect or replace recovery hose
Poor scrubbing performance Worn brush Replace brush or pad
Wrong brush or cleaning chemical Consult Minuteman
Debris caught on scrub brush Remove debris
Moving machine too fast Slow down
Not using enough solution Adjust solution flow setting
Retaining ring on brush motor shaft not
in groove Remove brush hub assembly and
slide ring into groove
Inadequate solution flow or
no solution to the floor Solution tank empty Fill solution tank
Solution lines, valves, or filter clogged Flush lines and clean solution filter.
Solution Lever in down position Move lever up
Machine does not operate
Tripped Control Power circuit breaker Reset Breaker
Cord is not plugged in completely Check twist-lock connection and wall
plug
Wall outlet circuit breaker tripped Reset Breaker
Troubleshooting