Troubleshooting - Nilfisk-Advance Retriever 4000B Instrucciones De Uso

Troubleshooting

PROBLEM
The rider sweeper fails to pick up large
particles of dirt or leaves traces of dirt behind
Sweeper leaves dust on floor or dust
comes out from side flaps
Sweeper fails to pick up paper, leaves, etc.
Rider sweeper throws dirt forwards
The main broom lifts the front flap
Rapid broom wear
Main broom noisy
Brooms do not rotate
Broom and suction fan motor does not work
Waste comes out of bin
Neither forward nor reverse drive work
Batteries do not maintain their charge
Battery discharges quickly
Electric shaker does not work
Shaker motor fuse blows
47 - FORM NO. 56041325 / RETRIEVER 4000B
CAUSES
Working speed too fast
Broom pressure too light
Broom worn
Bristles bent, or string or wire, etc.,
entangled in broom
Filter clogged
Flaps badly adjusted or damaged
Front flap lifting mechanism not working
Front flap broken
Front flap too long
Excessive broom pressure
Floor very abrasive
Material wound around the broom
Drive belt(s) broken
Fuse blown
Bin seal broken
Drive motor cables disconnected
Drive pedal defective
Control unit faulty
Fuse blown
Electrolyte level low
Battery cells shorted out
Motor overloaded
Battery terminals loose
Material entangled in main broom
Bearings seized
Excessive broom pressure
Insufficient charge time
Battery cells shorted out
Microswitch faulty
Fuse burned out
Excessive motor consumption caused by:
-worn motor brushes
-dirty or worn bearings
-armature or windings burned out
Excessive shaker motor consumption
Fuse faulty
Short circuit
REMEDIES
Reduce working speed
Adjust broom pressure (pattern on floor)
Lower or replace broom
Remove string or wire
Clean filter
Check flaps and replace if damaged
Repair flap mechanism
Replace front flap
Replace front flap
Reduce broom pressure
Remove entangled material
Replace drive belt(s)
Replace fuse
Replace seal
Check connections
Check functioning
Check functioning
Replace fuse
Top up electrolyte level
Replace battery
Check motor current consumption
Check and tighten battery terminals
Remove entangled material
Replace bearings
Reduce broom pressure
Increase charge time
Replace batteries
Replace microswitch
Replace fuse
Replace
Replace
Replace
See above
Replace fuse
Check circuit