User Guide
MAINTENANCE-TROUBLESHOOTING 
86317500 CHARIOT SCRUBBER 11/15/08 
4-24 
PROBLEM  CAUSE  SOLUTION 
Battery disconnected  Check all battery cable connections 
Emergency shut-off activated  Reset 
Battery cables corroded  Clean connections 
No power to machine 
Faulty key switch  Replace switch 
Low battery charge  Charge batteries 
Machine turned on with pedal not in neutral 
position 
Allow pedal to return to neutral. 
Restart 
Tripped circuit breaker  Reset circuit breaker 
Wheels spin  Decrease brush pressure 
Controller overheated  Allow cool down period 
Loose motor connection  Check wires and connections from controller 
to motor 
Faulty throttle circuit or potentiometer  Check wires and connections from and 
potentiometer resistance 
Faulty drive reset circuit or switch  Check wires, connections and switch 
Faulty platform circuit or switch  Check wires, connections and switch 
Brake over-ride engaged  Disengage brake over-ride 
Little or no propel 
Faulty brake circuit or over-ride switch  Check wires, connections and switch 
Machine does not 
change speeds 
Faulty speed control circuit or switch  Check wires & connections 
Forward speed only 
Reverse speed only 
Faulty forward/reverse circuit  Check wires & connections 
Squeegee out of adjustment  Adjust squeegee 
Debris caught on squeegee  Remove debris 
Worn squeegee blades  Rotate or replace squeegee blades 
Vacuum hose clogged  Clear obstruction from hose 
Vacuum hose disconnected from squeegee 
or recovery tank dome 
Reconnect vacuum hose 
Recovery tank float system dirty  Clean float system 
Recovery tank not sealed  Place recovery tank dome on tank. Replace 
damaged gaskets 
Float-ball shut-off engaged Tank full  Empty recovery tank 
Poor or no water pickup 
Foam filling recovery tank  Empty recovery tank. Use less or different 
detergent. Use defoamer. 










