Nilfisk-Advance BR 601, Руководство по обслуживанию

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ENGLISH
SERVICE MANUAL
36 909 6424 000(3)2007-12 BR 601 / BR 651 / BR 751 / BR 751 C
BRUSHING SYSTEM
TROUBLESHOOTING
Open circuit
The fuse (F1) causes an open in the function electronic board supply circuit. This system prevents the circuits from being damaged
in case of failure.
If there is an open in the fuse, the possible causes are:
The function electronic board wiring harness is damaged or shorted (check the power cables on the function electronic board
and the relevant connections).
The function electronic board is damaged (replace).
All brushes do not turn
Possible causes (see also the Electrical System chapter, function electronic board diagnosis):
The function electronic board wiring harness or the brush motors are damaged (repair).
The function electronic board is damaged (replace).
The brush motor is shorted (replace).
One brush do not turn
Possible causes:
The motor carbon brushes are worn (replace).
There are bulky debris or cords around the brushes or between the brushes and their fl anges (remove the brushes and the
debris).
The motor is faulty (repair or replace).
The wiring harness is damaged (repair).
The brushes cannot be lifted/lowered or the extra pressure function cannot be turned on
Possible causes (see also the Electrical System chapter, function electronic board diagnosis):
The deck lifting/lowering actuator end-of-strokes are not properly adjusted (adjust).
The deck lifting/lowering actuator end-of-stroke microswitches are broken (replace the actuator).
The deck lifting/lowering actuator is broken (replace).
There is an open in the actuator wiring harness (check the connections according to the procedures shown in the Electrical
System chapter, Troubleshooting paragraph).
The machine does not collect the solution completely
Possible causes:
The side skirts are not properly adjusted (adjust/replace).
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