ENGLISH
INSTRUCTIONS FOR USE
56
33018312(3)2010-01
RS 1300
Problem
Possible cause
LIGHTING SYSTEM
The working light installed at the suction
inlet does not turn on.
The working light switch is off.
The switch is on, the warning light is on, the light is off.
The switch is on, the warning light is off.
The high beams do not turn on.
The engine is not running.
The engine is running, the running lights are on and the control on the combination switch is on, but
the high beams are still off (the warning light on the dashboard is off).
Relay K18 is not receiving positive activation (measured on pin 23/4).
Relay K18 is not receiving positive activation (measured on pin 15/5).
There is positive activation from the combination switch on pin 86 of relay K18.
Relay K18 is receiving potential from the electronic board but is not activated.
Relay K18 is not receiving negative potential from the electronic board.
Relay K18 is operating properly.
The engine is running, the running lights are on and the control on the combination switch is on, but
the high beams are still off (the warning light on the dashboard is on).
ALTERNATOR
The alternator is not charging.
The warning light on the dashboard stays on when the engine is running.
Check the connections.
The alternator connections are correct, but there is no D+ reference.
BROOMS
The brooms do not clean properly.
The brooms are not properly adjusted.
The engine speed is too low.
The brooms do not rotate.
The switch has not been pressed.
The switch has been pressed but it is turned off (operation warning light is off).
The engine speed is too high.
The sweeper control interface electronic board is powered, but the brooms are not rotating.
The LED turns off properly and the interface electronic board is providing an output.
The LED on the connector is off.
The LED on the connector is on.
There are oil leaks from the hydraulic system
fi
ttings/hoses.
The motors are faulty.
The accessory system pump does not pressurize the oil in the circuit.
Check that the operator is seated, and
check relay K16.
The fuse F03 is intact.
There is input from the driver’s seat microswitch and it can be checked on the display.
There is no input from the driver’s seat microswitch on the machine control board, but the operator is
on the driver’s seat.
The fuse F13 is intact.
The input from the driver’s seat is active, but there is no fan command on pin 5 of connector 2 of the
machine control board.
The connections are
fi
ne, connector 20/6 is getting voltage, but the same K16 relay reference is not
arriving at the switch.
The connections are
fi
ne, but the K16 relay reference on connector 20/6 is not active.
The driver’s seat microswitch relay K16 is not working, but the coil is intact.
There is no positive activation of the relay.
There is reference from the driver’s seat on the machine control board, but the engine has not begun
to operate.
There is no negative activation of the relay.
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