Troubleshooting - RCm R850N Instruction And Maintenance Handbook

Problem
The sweeper fails to pick up large particles of dirt or
leaves traces of dirt behind
Sweeper leaves dust on fl oor or dust comes out from
fl aps
Sweeper fails to pick up paper,leaves, etc.
Sweeper throws dirt forwards
Rapid brush wear
Main brush noisy
Main brush fails to turn
The machine does not move or move slowly
(petrol version)
Brush and suction fan motor does not work
(electric version)
Dust leaving the suction fan and dust present in the
fi lter compartment
Dust and waster come out of bin
Neither forward nor reverse drive work
Batteries do not maintain their charge.
(electric version)
Battery discharges quickly (electric version)
Filter shaker does not work
Filter shaker fuse blown (electric version)
The motor stops when the sweeper is on a slope.
(petrol version)

TROUBLESHOOTING

Cause
Working speed too fast
Brush pressure too light
Brush worn
Bristles bent or string or wire etc., entangled in
brush
Main brush collector encrusted
Suction fan broken
Filters clogged | fi lters seals faulty
Flaps worn | seals of the refuse bin
Front fl ap lifting system not working
Front fl ap broken
Excessive brush pressure
Floor very abrasive
Material wound around brush
Brush and transmission belts broken
Belt tightener not working
Electric motors (or its carbon brushes) for side
brushes, are worn out (electric version)
Hydraulic oil low
Fuses blown
Motors defective or broken
Filters dirt or broken
Bin too full
Bin not correctly closed
Bin seal broken
Drive motor cables disconnected
(electric version)
Drive pedal defective
Control unit faulty (electric version)
Main fuse blown
Electrolyte level low
Battery cells burned out
Motor over-loaded
Battery terminals loose
Material entangled in main brush
Bearing seized
Excessive brush pressure
Insuffi cient charge time
Battery cells burned out
Filter shaker faulty
Fuse burned out (electric version)
Excessive motor absorbtion caused by:
1)
worn motor carbon brushes
2)
dirty or worn bearings
3) armature or windings burned out
Excessive shaker motor absorbtion
Fuse faulty
Short-circuit
Oil level low (oil alert)
54
Corrective action
Reduce working speed
Adjust brush pressure (trace on fl oor)
Replace brush
Remove string or wire
Clean using an iron spatule
Check suction fan
Clean fi lters | replace seals
Replace fl aps | replace seals
Repair the fl ap lifting system
Replace front fl ap
Reduce brush pressure (narrower trace)
/
Remove entangled material
Replace belts
Adjust the tightener
Check and/or replace
Add hydraulic oil
Replace fuses
Check and/or replace
Clean or replace fi lters
Empty bin more frequently
Close bin correctly
Replace seal
Check cables connections
Check functioning
Check functioning
Replace fuse
Top up electrolyte level
Replace battery
Check motor current absorbtion
Check and tighten battery terminals
Remove entangled material
Replace bearings
Reduce brush pressure (narrower trace)
Increase charge time
Replace batteries
Replace
Replace
Replace
Replace
Replace
(see above)
Replace
Check electric circuit
Top up oil level