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MACHINE TROUBLESHOOTING
SCEX364 86037160 03/12/07
4-17
PROBLEM CAUSE SOLUTION
Little or no solution flow to the floor Solution tank empty Fill solution tank
Solution flow turned off or set
too low
Turn on or increase flow
setting
Solution strainer plugged Clean solution strainer
Solution hoses obstructed Clear obstruction from hose
Solution solenoid valve
obstructed or stuck
Clean or replace
Vent hole in solution tank lid
obstructed
Clear obstruction from vent
hole
No power to machine Battery disconnected Check all battery cable
connections
Emergency shut-off activated Reset
Battery connections corroded Clean connections
Faulty main contactor Replace contactor
Faulty key switch Replace switch
Little or no propel Low battery charge Charge batteries
Wheels spin Decrease brush pressure
Controller overheated Allow cool down period
Adjust brush shroud if needed
Loose connection Check motor wires and
connection
Uneven scrubbing or brush wear Debris caught in deck linkage Remove debris
Worn or damaged deck
linkage
Replace worn or damaged
parts