54
TROUBLESHOOTING
Problem
Cause
Corrective action
The sweeper fails to pick up large particles of dirt or
leaves traces of dirt behind
Working speed too fast
Reduce working speed
Brush pressure too light
Adjust brush pressure (trace on fl oor)
Brush worn
Replace brush
Bristles bent or string or wire etc., entangled in
brush
Remove string or wire
Main brush collector encrusted
Clean using an iron spatule
Sweeper leaves dust on fl oor or dust comes out from
fl aps
Suction fan broken
Check suction fan
Filters clogged | fi lters seals faulty
Clean fi lters | replace seals
Flaps worn | seals of the refuse bin
Replace fl aps | replace seals
Sweeper fails to pick up paper,leaves, etc.
Front fl ap lifting system not working
Repair the fl ap lifting system
Sweeper throws dirt forwards
Front fl ap broken
Replace front fl ap
Rapid brush wear
Excessive brush pressure
Reduce brush pressure (narrower trace)
Floor very abrasive
/
Main brush noisy
Material wound around brush
Remove entangled material
Main brush fails to turn
Brush and transmission belts broken
Replace belts
Belt tightener not working
Adjust the tightener
Electric motors (or its carbon brushes) for side
brushes, are worn out (electric version)
Check and/or replace
The machine does not move or move slowly
(petrol version)
Hydraulic oil low
Add hydraulic oil
Brush and suction fan motor does not work
(electric version)
Fuses blown
Replace fuses
Motors defective or broken
Check and/or replace
Dust leaving the suction fan and dust present in the
fi lter compartment
Filters dirt or broken
Clean or replace fi lters
Dust and waster come out of bin
Bin too full
Empty bin more frequently
Bin not correctly closed
Close bin correctly
Bin seal broken
Replace seal
Neither forward nor reverse drive work
Drive motor cables disconnected
(electric version)
Check cables connections
Drive pedal defective
Check functioning
Control unit faulty (electric version)
Check functioning
Main fuse blown
Replace fuse
Batteries do not maintain their charge.
(electric version)
Electrolyte level low
Top up electrolyte level
Battery cells burned out
Replace battery
Motor over-loaded
Check motor current absorbtion
Battery terminals loose
Check and tighten battery terminals
Material entangled in main brush
Remove entangled material
Bearing seized
Replace bearings
Excessive brush pressure
Reduce brush pressure (narrower trace)
Battery discharges quickly (electric version)
Insuffi
cient charge time
Increase charge time
Battery cells burned out
Replace batteries
Filter shaker does not work
Filter shaker faulty
Replace
Fuse burned out (electric version)
Replace
Excessive motor absorbtion caused by:
1)
worn motor carbon brushes
Replace
2)
dirty or worn bearings
Replace
3)
armature or windings burned out
Replace
Filter shaker fuse blown (electric version)
Excessive shaker motor absorbtion
(see above)
Fuse faulty
Replace
Short-circuit
Check electric circuit
The motor stops when the sweeper is on a slope.
(petrol version)
Oil level low (oil alert)
Top up oil level
