3/13 A - 27 56091081 - SC8000
ENGLISH - AINSTRUCTIONS FOR USE
GENERAL MACHINE TROUBLESHOOTING
Problem Possible Cause Remedy
Poor water pick-up Worn or torn squeegee blades Reverse or replace
Squeegee out of adjustment Adjust so blades touch fl 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 fl ow via control panel solution button
Poor scrubbing performance Worn brush Rotate or replace brushes
Wrong brush type Consult Nilfi sk
Wrong cleaning chemical Consult Nilfi sk
Moving machine too fast Slow down
Not using enough solution Increase fl ow via control panel solution button
Incorrect detergent ratio Verify dilution setting if EcoFlex equipped.
Inadequate solution fl ow
or no solution
Solution tank empty Fill solution tank
Solution lines, valves, fi lter or trough clogged Flush lines, trough and clean solution fi lter
Solution turned OFF Activate fl ow via control panel solution button
Solution solenoid valve plugged or defective
Clean or replace valve (see service manual)
Machine does not run Tripped 15 Amp (CB6) circuit breaker Check for electrical short circuit & reset
Main system controller Check error fault codes
(see service manual)
No FWD/REV wheel drive Parking brake set Release parking brake
Towing valve in wrong position Set correctly
Tripped circuit breakers Reset any tripped circuit breakers
Vacuum shuts off and display shows
“FULL” when recovery tank is not full
Float does not move freely Clear any debris, clean fl oat stem to allow for
free movement.
No Detergent Flow (EcoFlex models
only)
Empty detergent cartridge Fill detergent cartridge
Plugged or kinked detergent fl ow line Purge system, straighten lines to
remove any kinks
Dry seal cap on detergent cartridge not sealed Reseat dry seal cap
Detergent pump wiring
disconnected or backwards
Connect or reconnect wiring
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