A-38 / ENGLISH
A-38 - FORM NO. 56041980 - CS7000
GENERAL MACHINE TROUBLESHOOTING
Before you start troubleshooting , check to make sure:
• the emergency stop switch (B) on the operator control panel is disengaged (rotate clockwise).
• the seat switch is closed.
• the battery stop plate (AC) is in place (battery models).
• reset any tripped circuit breakers.
Problem Possible Cause Remedy
Poor water pick-up
Worn or torn squeegee blades Reverse or replace
Squeegee out of adjustment Adjust so blades touch f oor evenly
across entire width
Recovery tank full Empty recovery tank
Recovery tank drain hose leak Secure drain hose cap or replace
Recovery tank cover gasket leak Replace gasket / Seat cover properly
Debris caught in squeegee Clean squeegee tool
Vacuum hose clogged Remove debris
Using too much solution Reduce f ow via control panel solution
decrease switch
Poor scrubbing performance
Worn brush Rotate or replace brushes
Wrong brush type Consult Nilf sk
Wrong cleaning chemical Consult Nilf sk
Moving machine too fast Slow down
Not using enough solution Increase f ow via control panel solution
increase switch
Incorrect detergent percentage Verify concentration setting if EcoFlex
equipped.
Poor sweeping performance
Broom out of adjustment Adjust broom
Hopper full Empty hopper
Broom bristles worn or curved Replace or rotate broom
Broom housing skirts damaged or worn Replace skirts
Broom not turning
See service manual
Inadequate solution fl ow
or no solution
Solution tank empty Fill solution tank
Solution lines, valve or f lter clogged Flush lines & valve / clean solution f lter
Solution turned OFF Activate f ow via control panel solution
switch / verify shutoff valve is in open
position
Solution solenoid valve plugged or
defective
Clean or replace valve (see service
manual)
Machine does not run
Tripped 5 Amp (CB4) circuit breaker Check for electrical short circuit & reset
Emergency Stop activated Rotate Emergency Stop knob clockwise
to reset.
Main system controller Check error fault codes
(see service manual)
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