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
Squeegee seal clogged or missing Clean or replace squeegee seal
Vacuum hose clogged Remove debris
Using too much solution Reduce fl ow via control panel solution button
Foam fi lter cover not seated Seat cover properly
Poor scrubbing performance
Worn brush or pad Rotate or replace brushes
Wrong brush or pad type Consult Nilfi sk Authorized Service Center
Wrong cleaning chemical Consult Nilfi sk Authorized Service Center
Moving machine too fast Slow down
Not using enough solution Increase fl ow via control panel solution button
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
(contact Nilfi sk Authorized Service Center)
Machine does not power ON
Machine Battery Connector (10)
disconnected
Reset Emergency Stop Switch
Reconnect battery connectors
Tripped 10 Amp (CB1) circuit breaker (V)
Check for electrical short circuit & reset
Blown Main Fuse 150 Amp (14)
Replace Main Fuse 150 Amp
No FWD/REV wheel drive
Drive system speed controller
Check error fault codes
(contact Nilfi sk Authorized Service Center)
Emergency Stop Switch (U) activated,
display will show Emergency Stop
Activated Indicator (C20).
Reset Emergency Stop Switch
Poor Sweeping Performance
(Cylindrical System)
Hopper Full Empty and clean hopper
Brushes worn Replace brushes
Bristles have taken a set Rotate brushes
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 Check pump, wiring and lines
Magnetic Smart Key Errors
No Key Indicator (C21).
-No Magnetic Smart Key is present on
the Smart Key Reader (A).
Place an appropriate Smart Key onto the Smart
Key Reader.
Key Read Error Indicator (C22).
- Magnetic Smart Key present on the
Smart Key Reader (A) cannot be read.
Clean both the Smart Key and the Smart Key
Reader using a clean cloth. Depress the Smart
Key between your thumb and forefi nger to insure
free movement of the magnet.
Restricted User Key Indicator (C23).
-Magnetic Smart Key present on
the Smart Key Reader (A) is not
programmed to be used with this
machine.
Place a Smart Key that has been programmed
to be used with this machine onto the Smart Key
Reader.
A - 30 SC6000 - 56091168 4/2016
INSTRUCTIONS FOR USEA - ENGLISH
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