11.1. How to overcome possible failures
Possible failures affecting the whole machine
FAILURES
The machine does not work
The brushes do not turn
Buzzer
sound
(brush
alarm)
ENGLISH
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11.
TROUBLESHOOTING
CAUSES
•
the
emergency
pressed or faulty
• the batteries are flat
•
the
battery
microswitch is out of calibration
or faulty;
• the power fuse FU1 and/or the
control fuse FU5 have blown
• the battery charger connector is
connected to the battery wiring
connector
• the machine has been switched
off and then on again with the
head lowered
•
the
brush
protection has tripped: the motor
has become overheated
• the power fuse FU1 and/or the
control fuse FU5 have blown
• the brush motor activation
microswitch is out of calibration
or faulty
• the batteries are flat (with
function
FU6
without related fuse)
• the drive is released (with
function
FU6
without related fuse)
• fault in the board permitting use
of
the
brush
function
FU6
without related fuse)
• the head is in the rest position
• check the components (brush
motors,
brush
connectors)
• the brush stop with head low
stop
alarm has cut in, indicating that
the head may be on the ground
with the brushes stopped, with
the risk of damaging them
button
is
• insert the key, turn and
release or replace the button
• recharge the batteries
connector
• calibrate or replace
• check
causes that made the fuse
blow, then replace it
•
charger from the battery
wiring connector
• press the drive lever
motor
thermal
• release the drive lever; raise
the brushes by pressing the
brush up-down button; leave
the machine to cool for at
least 45'
• check
causes that made the fuse
blow, then replace it
• check
causes that made the fuse
blow, then replace it
• raise the head and recharge
enabled,
i.e.
the batteries
• pull the drive lever
enabled,
i.e.
• temporarily insert fuse FU6
function
(with
to bypass
enabled,
i.e.
continue working, then have
the card replaced so that the
brush function can be used
again
• lower the head by pressing
the brush up-down button
• have the faulty component
motor
relay,
replaced
• raise the head and then
lower normally
REMEDIES
and remove the
disconnect
the
battery
and remove the
and remove the
the card and