Nilfisk Advance SC4000 Mode D'emploi page 43

TROUBLESHOOTING
GENERAL MACHINE TROUBLESHOOTING
Problem
Poor water pick-up
Poor scrubbing performance
Inadequate solution flow
or no solution
Machine does not power ON
No FWD/REV wheel drive
Poor Sweeping Performance
(Cylindrical System)
No Detergent Flow (with EcoFlex)
Magnetic SmartKey Errors
9/2022
Possible Cause
Worn or torn squeegee blades
Squeegee out of adjustment
Recovery tank full
Recovery tank drain hose leak
Recovery tank cover gasket leak
Debris caught in squeegee
Squeegee seal clogged or missing
Vacuum hose clogged
Using too much solution
Foam filter cover not seated
Worn brush or pad
Wrong brush or pad type
Wrong cleaning chemical
Moving machine too fast
Not using enough solution
Solution tank empty
Solution lines, valves, filter or trough clogged
Solution turned OFF
Solution solenoid valve plugged or defective
Machine Battery Connector (19) disconnected
Tripped 5 Amp circuit breaker (10b)
Blown Main Fuse 150 Amp
Seat switch open
Drive system speed controller
Emergency Stop Switch (A) activated, display will
show Emergency Stop Activated Indicator (C20).
Hopper Full
Brushes worn
Bristles have taken a set
Empty detergent cartridge
Plugged or kinked detergent flow line
Dry seal cap on detergent cartridge not sealed
Detergent pump failure
No Key Indicator (C21).
-No Magnetic SmartKey is present on the SmartKey
Reader (22).
Key Read Error Indicator (C22).
- Magnetic SmartKey present on the SmartKey
Reader (22) cannot be read.
Restricted User Key Indicator (C23).
-Magnetic SmartKey present on the SmartKey
Reader (22) is not programmed to be used with this
machine.
INSTRUCTIONS FOR USE
Remedy
Reverse or replace
Adjust so blades touch floor evenly across entire width
Empty recovery tank
Secure drain hose cap or replace
Clean gasket and sealing surface / Replace gasket if damaged
/ Seat cover properly
Clean squeegee tool
Clean or replace squeegee seal
Remove debris
Reduce flow via control panel solution button
Seat cover properly
Rotate or replace brushes
Consult Advance Authorized Service Center
Consult Advance Authorized Service Center
Slow down
Increase flow via control panel solution button
Fill solution tank
Flush lines, trough and clean solution filter
Activate solution flow via control panel switch (F)
Rotate Solution Shutoff Valve (37) to ON
Clean or replace valve
(contact Advance Authorized Service Center)
Reconnect battery connectors
Check for electrical short circuit & reset
Replace Main Fuse 150 Amp
Sit on the seat to close seat switch
Check error fault codes
(contact Advance Authorized Service Center)
Reset Emergency Stop Switch
Empty and clean hopper
Replace brushes
Rotate brushes
Fill detergent cartridge
Purge system, straighten lines to remove any kinks
Reseat dry seal cap
Check pump, wiring and lines
Place an appropriate SmartKey onto the SmartKey Reader.
Clean both the SmartKey and the SmartKey Reader using a
clean cloth. Depress the SmartKey between your thumb and
forefinger to insure free movement of the magnet.
Clean both the SmartKey and the SmartKey Reader using a
clean cloth. Depress the SmartKey between your thumb and
forefinger to insure free movement of the magnet.
Place a SmartKey that has been programmed to be used with
this machine onto the SmartKey Reader.
56091272 - Advance SC4000
ENGLISH - A
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