RCM LB Metro Manuel D'utilisation Et Entretien page 62

60
Fault
The machine does not start
The machine does not start or it stops
suddenly
The machine does not travel forward or
back
Suction motor switches off or does not
start
LB METRO
Troubleshooting
Cause
The master starter key 8 (fig. 3) has not
been turned on
Batteries flat
Fuse blown
Safety microswitch under driving seat
faulty
Emergency stop button pressed
Motors labouring so hard they have
triggered the overload cutout
Batteries flat
Diagnostics LEDs on electronic control
units flashing
Control pedal unit
disconnected
The "recovery tank full" float switch has
cut off the suction motor – indicated on
the display with "LEVEL".
Float switch fouled.
Turn the key clockwise
Check the charge and recharge if
necessary
Check and replace if necessary. The
fuses are under the dashboard.
CAUTION: never use fuses of
higher value; there would be a risk
of damage.
If the fuses blow repeatedly, the
machine has a fault.
CONTACT A SERVICE CENTRE.
Replace the microswitch
Release the button and repeat the
starting procedure
(see instructions for starting up
the machine)
Wait about a minute and then repeat
the starting procedure
(see instructions for starting up
the machine)
Recharge the batteries
See electronic control unit section
connection Restore the contact
Switch off the motor immediately
using the switch 5 (fig. 3).
Empty the recovery tank.
Release the float and remove the
dirt. To do this, remove the right
suction motor for access to the float
switch.
Remedy