User Guide
MACHINE TROUBLESHOOTING 
SCX364 86037150 1/17/07 
4-16 
PROBLEM CAUSE SOLUTION 
Poor or no water pick-up 
on either squeegee 
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 
Reconnect vacuum hose 
  Vacuum hose damaged  Replace vacuum hose 
  Recovery tank not sealed 
Place recovery tank dome on 
tank. Replace damaged gaskets. 
  Foam filling recovery tank 
Empty recovery tank 
Use less or different detergent 
Use defoamer 
Vacuum motor does not run, or 
runs slowly 
Recovery tank full  Drain recovery tank 
Recovery tank float system 
dirty  Clean float system 
  Circuit breaker tripped  Reset circuit breaker 
  Loose connection 
Check motor wires and 
connections 
  Faulty vacuum switch  Replace switch 
Worn vacuum motor 
brushes 
Replace brushes, check 
commutator 
Poor scrubbing performance 
Debris caught in scrub 
brushes 
Remove debris 
  Worn brushes or pads  Replace brushes or pads 
Improper detergent, brush or 
pad used 
Contact equipment or application 
specialist 
Low scrub brush down 
pressure 
Increase brush pressure 
  Low battery charge  Charge batteries 
Brush motors do not run, or runs 
slowly 
Circuit breaker(s) tripped  Reset circuit breaker(s) 
 Loose connection 
Check motor wires and 
connection 
  Faulty brush motor contactor Replace contactor 
  Worn brush motor brushes 
Replace brushes, check 
commutator 










