Operating instructions
MACHINE TROUBLESHOOTING 
 SABER (QSC) 86037050 01/24/07 
 4-8
PROBLEM  CAUSE  SOLUTION 
Poor or no water pick-up  Debris caught on squeegee Remove debris 
  Worn squeegee blades  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 
  Vacuum motor inlet screen 
dirty 
Clean inlet screen 
  Recovery tank not sealed  Check vacuum motor 
position. Replace 
damaged seal. 
  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 
  Circuit breaker tripped  Reset circuit breaker 
  Loose connection  Check motor wires and 
connections 
  Faulty vacuum contractor  Replace contactor 
  Worn vacuum motor 
brushes 
Replace brushes, check 
commutator 
Poor scrubbing performance  Debris caught in scrub 
brush 
Remove debris 
  Worn brush or pad  Replace brush or pad 
  Improper detergent, brush 
or pad used 
Contact equipment or 
application specialist 
  Low scrub brush down 
pressure 
Increase brush pressure 
(traction model only) 
  Low battery charge  Charge batteries 
Brush motor does not run, or runs 
slowly 
Circuit breaker tripped  Reset circuit breaker 
  Loose connection  Check motor wires and 
connection 
  Faulty brush motor 
contactor 
Replace contactor 
  Worn brush motor brushes  Replace brushes, check 
commutator 










