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GENERAL MACHINE TROUBLESHOOTING
Problem
Poor water pick-up
Poor scrubbing performance
Inadequate solution fl ow
or no solution
Machine does not run
No FWD/REV wheel drive
Vacuum shuts off and display shows
"FULL" when recovery tank is not full
Poor Sweeping Performance
No Detergent Flow
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
Vacuum hose clogged
Using too much solution
Foam fi lter cover not seated
Worn brush
Wrong brush type
Wrong cleaning chemical
Moving machine too fast
Not using enough solution
Solution tank empty
Solution lines, valves, fi lter or trough clogged
Solution valve not open
Solution solenoid valve
Emergency stop switch tripped
Operator seat safety switch
Main system controller
Tripped 10 Amp circuit breaker
Drive system speed controller
Tripped 45 Amp circuit breaker
Emergency stop switch tripped
Plugged squeegee hose
Vacuuming large amounts of water
at a high travel speed
Hopper Full
Brushes worn
Bristles have taken a set
Empty detergent cartridge
Plugged or kinked detergent fl ow line
Dry seal cap on detergent cartridge not sealed
Detergent pump wiring
disconnected or backwards
Adhancer
Remedy
Reverse or replace
Adjust so blades touch fl oor evenly
across entire width
Empty recovery tank
Secure drain hose cap or replace
Replace gasket / Seat cover properly
Clean squeegee tool
Remove debris
Adjust solution control valves
Seat cover properly
Rotate or replace brushes
Consult Nilfi sk-Advance
Consult Nilfi sk-Advance
Slow down
Adjust solution fl ow rate to high fl ow
Fill solution tank
Flush lines, trough and clean solution fi lter
Open solution valve
Clean or replace valve
Reconnect battery connectors
Check for open circuit and replace
Check error fault codes
(see service manual)
Check for electrical short circuit & reset
Check error fault codes
(see service manual)
Check for drive motor overload
Reconnect battery connectors
Clear debris
Slow down or disable auto shut-off feature
(see service manual)
Empty and clean hopper
Replace brushes
Rotate brushes
Fill detergent cartridge
Purge system, straighten lines to
remove any kinks
Reseat dry seal cap
Connect or reconnect wiring
R28-C, R32-C / BR 800S TRIO EDS
™
ENGLISH / A-17
- 56041647 - A-17
™
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