Nilfisk-ALTO SMART Sweeper/Scrubber 692003 - Manual (Page 59)

AMERICAN-LINCOLN 1-59
SMART
TROUBLESHOOTING
PROBLEM PROBABLE CAUSE REMEDY
Machine moves slowly or
erratically
Machine does not move
Poor water pickup at
squeegee
Water spills from
squeegee
Squeegee leaves wet
spots
Squeegee makes
excessive noise
1. Battery charge low
2. Brakes dragging
3. Loose connection at foot pedal
4. Drive circuit overloaded
1. Blown fuse
2. Battery unplugged
1. Recovery tank full
2. Squeegee is worn or damaged
3. Clogged suction hose or pick-up tool
4. Loose connections between suction hose
and squeegee
5. Vacuum motors not running
6. Plugged filter
7. Vacuum float cage clogged
8. Vacuum float shut off
9. Air leaks in suction hose and connection
10.Air leaks at recovery tank cover and/or
manifold hose
11.Drain hose or drain plug leakage or not
closed properly
1. Side squeegee blades have poor contact
with floor
2. Squeegee blades worn or damaged
3. Too much solution being applied before
making turns
4. Brushes rotating opposite direction
1. Lift actuator out of adjustment
2. Squeegee wheels out of adjustment
1. Blades worn or damaged
1. Change
2. Adjust
3. Repair
4. Remove obstruction, put drive pedal
in neutral
5. Adjust
1. Check fuse & replace if necessary
2. Plug in battery
1. Empty tank
2. Examine squeegee rubber blade for
cuts or worn spots & replace if
necessary
3. Disconnect suction hose from
squeegee, flush squeegee & hoses
4. Check all hose connections for
looseness or damage
5. Reset circuit breaker or repair loose
connection
6. Clean filter element in vacuum manifold
7. Clean perforated metal thoroughly
8. Excessive solution in recovery tank.
Excessive foam buildup, change
cleaning chemical mixture (use A-L
approved materials)
9. Repair or replace hose and connection
10.Repair or replace seal or hose
11.Close, repair, or replace drain plug
in recovery tank
1. Readjust blades for proper contact
2. Replace & adjust
3. Shut off solution flow 5-10 ft. Before
turning
4. Check switch positions
1. Adjust
2. Adjust
1. Replace