ENGLISH
USER MANUAL
42
33019741(1)2009-03 A
RS 502
TROUBLESHOOTING
The following table shows the most common problems that may arise when using the machine, the possible causes and the
suggested remedies to solve them.
NOTE
The sweeper is equipped with 3 “minitest” plugs (1, 2 and 3, Fig. AR) to measure the hydraulic pressure on the
component.
WARNING!
The suggested remedies must be performed by quali
fi
ed personnel, according to the instructions shown in this
Manual, if present, otherwise contact a Nil
fi
sk Service Center, where it is possible to consult the Service Manual.
For explanation or information, contact a Nil
fi
sk Service Center.
PROBLEMS AND REMEDIES
Problem
Possible cause
Remedy
General electric problem
When the key is turned to ON, the machine is
not powered
The battery is disconnected
Connect the battery cables
The emergency push-button is activated/discon-
nected
Reset the emergency push-button
The K2 line electromagnetic switch is discon-
nected/faulty
Replace
The F2.7 fuse is open
Replace
The F1.2 line fuse is open
Replace
The ignition switch is damaged/disconnected
Replace/connect
Brooms
The brooms do not clean properly
The brooms are not properly adjusted
Adjust
The brooms do not rotate
The broom speed is not correct
Adjust the speed
There are oil leaks from the hydraulic system
fi
ttings/hoses
Repair/replace
The motor is faulty
Replace
The accessory system pump does not pressurise
the oil in the circuit
Check the oil pressure in the hydraulic system
Suction fan
The suction fan is noisy
The motor is faulty
Repair
The suction fan turns but it is not ef
fi
cient
The dust
fi
lters are clogged
Clean
The suction pipe is clogged
Clean
The suction pipe is cut/torn
Replace
The gasket between the suction inlet and the hop-
per is broken or misadjusted (replace or adjust)
Replace/adjust
There is no pressure at the suction system motor
Adjust the pump pressure
The suction fan does not turn
The control valve assembly is stuck
Repair
The motor is faulty
Replace
Pump failure
Replace
Suction inlet and skirt
The suction inlet does not collect debris ef-
fi
ciently
The suction fan is not engaged
Engage the suction fan
The suction inlet position is incorrect
Check the suction inlet and skirt height and
operation
The suction inlet does not lift
The control valve assembly is stuck
Repair
The cylinder gaskets are worn
Overhaul the cylinder
There is no pressure at the hydraulic system
Check the pump pressure
The suction inlet does not lower
There is no pressure at the parachute valve
Check the suction fan control valve assembly
pressure
The skirt opening force is not suf
fi
cient
The skirt opening pressure is incorrect
Adjust the opening pressure
The skirt does not open/close
The switch is turned off/damaged
Turn on
The F3.1 fuse is open
Replace
The solenoid valve is burnt
Replace
Содержание rs 502
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Страница 11: ...RS 502 33019741 1 2009 03 A IX 2 1 1 S331023 1 1 1 2 3 S311374 S311382 2 3 4 1 4 5 8 7 6 S331005 S T V U ...
Страница 12: ...X 33019741 1 2009 03 A RS 502 1 2 S310824 S321012 S310891 S310892 1 2 3 S311367 S310894 W Y AA X Z AB ...
Страница 15: ...RS 502 33019741 1 2009 03 A XIII S310907 S310908 S310909 S311255 1 2 3 S311371 AN AO AP AR AQ ...
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