GB
DISPLAY ALARMS
Alarm Possible cause What to do
BRUSH THERMAL
PROTECTOR
The brush motor has overheated.
Faulty thermal protector contact on the
motors.
Faulty connection.
Wait for the brush motors to cool down.
Replace the brush motor.
Check the connection.
DRIVE THERMAL
PROTECTOR
The drive wheel has overheated.
Faulty thermal protector contact on the
motor.
Faulty connection.
Wait for the drive wheel to cool down.
Replace the drive wheel.
Check the connection.
OPERATOR PRESENT The driver detection microswitch is not
detecting an operator.
Sit correctly in the seat.
Check the connection.
Check the seat microswitch.
ACCELERATOR KEY Incorrect start-up sequence
Faulty accelerator pedal microswitch.
Faulty connection.
Release the accelerator pedal
during start-up.
Replace the accelerator pedal micros-
witch.
Check the connection.
WATER RESERVE Solution tank almost empty.
Stuck sensor.
Faulty sensor or connection.
Fill the solution tank.
Clean the level sensor.
Replace the level sensor.
Check the connection.
NO WATER Solution tank empty.
Stuck sensor.
Faulty sensor or connection.
Fill the solution tank.
Clean the level sensor.
Replace the level sensor.
Check the connection.
DIRTY WATER TANK Dirty water tank full.
Stuck sensor.
Faulty sensor or connection.
Empty the dirty water tank.
Clean the level sensor.
Replace the level sensor.
Check the connection.
NO CHEM Chem-Dose tank empty.
Stuck sensor.
Faulty sensor or connection.
Fill the Chem-Dose tank.
Clean the level sensor.
Replace the level sensor.
Check the connection.
FUNCTIONS BOARD
NOT DETECTED
Communication with functions board
interrupted.
Faulty auxiliary boards.
Check the connection between the
boards.
Check the auxiliary boards.
FUNCTIONS U.V.
SERVIZI
Battery voltage less than: 20.7 V GEL/
AGM - 20.3 V ACID.
Flat batteries.
Recharge the batteries.
Replace the batteries.
DRIVE U.V. TRAZIONE Battery voltage less than: 18.3 V GEL/
AGM - 18.0 V ACID.
Flat batteries.
Recharge the batteries.
Replace the batteries.
BATTERY RESERVE Battery voltage less than : 21.5 V GEL/
AGM - 20.5 V ACID.
Flat batteries.
Recharge the batteries.
Replace the batteries.
CALL SERVICE The set number of hours for scheduled
service have been reached/exceeded.
Call a service centre to arrange sched-
uled service.
BATTERY CHARGING The on-board battery charger is oper-
ating, all the machine’s functions are
disabled.
Disconnect the battery charger
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