A-28 / ENGLISH
TROUBLESHOOTING
If the possible causes listed below are not the source of trouble, it is
a symptom of something more serious. Contact your Nilfi sk-Advance
Service Center immediately for service.
MACHINE WILL NOT MOVE
Possible causes may be:
1
Parking Brake (OO) set (release parking brake)
2
Tripped circuit breaker(s) (reset any tripped circuit breakers)
3
Battery stop plate not installed (install battery stop plate)
4
Defective seat switch (replace seat switch)
MAIN BROOM WILL NOT RUN
Possible causes may be:
1
Debris wrapped around the broom drive (remove debris)
2
Hopper is not completely down (lower hopper completely)
3
Tripped circuit breaker(s) (reset any tripped circuit breakers)
SIDE BROOMS WILL NOT RUN
Possible causes may be:
1
Debris wrapped around the broom drive (remove debris)
2
Hopper is not completely down (lower hopper completely)
3
Tripped circuit breaker(s) (reset any tripped circuit breakers)
HOPPER WILL NOT RAISE
Possible causes may be:
1
Tripped circuit breaker(s) (reset any tripped circuit breakers)
HOPPER DUMP DOOR WILL NOT OPEN
Possible causes may be:
1
Dump door jammed by debris (remove debris and clean edges
of dirt chamber)
2
Tripped circuit breaker(s) (reset any tripped circuit breakers)
SHAKER MOTOR WILL NOT RUN
Possible causes may be:
1
Tripped circuit breaker(s) (reset any tripped circuit breakers)
VACUUM MOTORS DO NOT RUN
Possible causes may be:
1
Tripped circuit breaker(s) (reset any tripped circuit breakers)
2
Recovery tank full (empty recovery tank)
SCRUB SYSTEM WILL NOT RUN
Possible causes may be:
1
Tripped circuit breaker(s) (reset any tripped circuit breakers)
2
Hopper is not completely down (lower hopper completely)
28 - FORM NO. 56041577 - Captor
POOR WATER PICKUP
Possible causes may be:
1
2
3
4
5
6
7
8
POOR SWEEPING PERFORMANCE
Possible causes may be:
1
2
3
4
POOR SCRUBBING PERFORMANCE
Possible causes may be:
1
2
3
4
5
INADEQUATE SOLUTION FLOW
Possible causes may be:
1
2
3
4
5
NO DETERGENT FLOW (AXP/EDS)
Possible causes may be:
1
2
3
4
5
6
4300B, 4800B / CR 1100B, 1200B
™
Worn or torn squeegee blades (reverse or replace)
Squeegee out of adjustment (adjust so blades touch the fl oor
evenly across entire width)
Recovery Tank Full (empty recovery tank)
Open recovery tank drain hose (secure drain hose cap or
replace)
Recovery tank cover gasket leak (replace gasket)
Debris caught in squeegee (clean squeegee)
Vacuum hose clogged (remove debris)
Using too much solution (adjust solution control valve)
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)
Brush bristles worn or curved (rotate or replace brushes)
Wrong brush for job (consult Nilfi sk-Advance dealer)
Wrong cleaning chemical for job (consult Nilfi sk-Advance
dealer)
Moving machine too fast (slow down)
Not using enough solution (adjust solution control valve)
Not using enough solution (adjust solution control valve)
Solution tank empty (fi ll solution tank)
Solution lines or valves clogged (fl ush lines and valves)
Solution control valve not open (adjust solution control valve)
Solution switch OFF (turn ON solution switch)
Tripped circuit breaker(s) (reset any tripped circuit breakers)
Empty detergent cartidge (fi ll detergent cartidge)
Plugged or kinked detergent fl ow line (Purge system, straighten
lines to remove any kinks)
Dry seal cap on detergent cartidge not sealed (reseat dry seal
cap)
Detergent ratio slider magnet missing (replace slider)
Detergent pump wiring disconnected or backwards (connect or
reconnect wiring)
revised 11/07