ENGLISH
DISPLAY ALARMS
Alarm
Possible cause
What to do
BRUSH 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 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.
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.
To resume work, turn the
operation selector to the OFF
position (reset errors).
DIRTY WATER THANK.
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.
To resume work, turn the
operation selector to the OFF
position (reset errors).
CHEMICAL FINISHED
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.
FUNCTION BOARD NOT
DETECTED
Communication with
functions board interrupted.
Faulty auxiliary boards.
Check the connection
between the boards.
Check the auxiliary boards.
BATTERY RESERVE
Battery voltage less than
: 21.9 V GEL/AGM - 21 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 servicing.
BATTERY CHARGING
The on-board battery
charger is operating, all the
machine’s functions are
disabled.
Disconnect the battery
charger.
CHARGING COMPLETE
The on-board battery charger
is operating, the charge is
complete, all the machine’s
functions are disabled.
Disconnect the battery
charger.
O.C. BRUSH
Excessive motor effort.
Faulty functions board.
Brush motor faulty
Check motor load.
Replace functions board.
Replace the brush motor.
DRIVE BOARD
TEMPERATURE
Excessive vehicle effort.
Faulty drive board.
Electric brake engaged.
Cool or heat the board.
Do not overwork the machine
on long ramps.
Replace the drive control
board.
Check the electric brake.
ACCELERATOR FAULT
Faulty potentiometer
connections.
Faulty potentiometer.
Check the connection.
Replace the potentiometer.
DRIVE BOARD U.V.
Battery voltage less than
18.3 V GEL/AGM - 18 V
ACID.
Flat or degraded batteries.
Charge or replace the
batteries.
RELAY FAULT
Faulty relay.
Faulty relay connection.
Replace the relay.
Check relay connections.
ELECTRIC BRAKE FAULT
Faulty wiring.
Faulty electric brake.
The electric brake has been
enabled in the Technical
menu but is not fitted on the
machine.
Check the wiring.
Check / replace the electric
brake.
Correct the settings in the
Technical Menu.
HPD
Drive lever pressed when
starting.
Drive lever potentiometer not
adjusted.
Release the drive lever when
starting the machine.
Check potentiometer
adjustment.
BATTERY FLAT
Battery voltage less than
21.4 V - GEL / 20.5 V - ACID.
Flat or degraded batteries.
Recharge the batteries.
Replace the batteries.
TAG FAULT
Faulty key.
Faulty instrument panel
antenna board
Replace the key.
Replace the instrument
panel antenna board-reed.
Check the wiring.
RFID FAULT
Faulty key.
Faulty instrument panel
antenna board
Replace the key.
Replace the instrument
panel antenna board-reed.
Check the wiring.
SUCTION MOTOR
TEMPERATURE
Excessive motor effort.
Faulty functions board.
Faulty suction motor.
Check the suction motor.
Replace functions board.
Replace the suction motor.
BRUSH TEMPERATURE
Excessive motor effort.
Faulty functions board.
Faulty motor.
Check the motor.
Replace functions board.
Replace the motor.
O.C. SUCTION MOTOR
Excessive motor effort.
Faulty functions board.
Faulty suction motor.
Check the suction motor.
Replace functions board.
Replace the suction motor.
O.C. DRIVE
Excessive vehicle effort.
Faulty drive board.
Electric brake engaged.
Check the motor.
Replace the drive board.
Check the electric brake.
UPDATE FW MAIN BOARD Software update.
Do not remove the key
during the update.
UPDATE FW SERVICE
BOARD
Software update.
Do not remove the key
during the update.
FLASHING LIGHT FAULT
Faulty wiring.
Faulty flashing light.
The flashing light is broken.
The flashing light has been
enabled in the Technical
menu but it is not fitted on the
machine.
Check the wiring.
Check the flashing light.
Replace the flashing light.
Correct the settings in the
Technical Menu.
SOLENOID VALVE FAULT
Faulty wiring.
Faulty solenoid valve.
Solenoid valve broken.
Check the wiring.
Check the solenoid valve.
Replace the solenoid valve.
PUMP FAULT
Faulty wiring.
Faulty pump.
The pump is broken.
The pump has been enabled
in the Technical menu but it
is not fitted on the machine.
Check the wiring.
Check the pump.
Replace the pump.
Correct the settings in the
Technical Menu.
BRUSH FUSE
Excessive motor effort.
Faulty brush motor contactor.
Motor fuse blown.
Check the motor.
Replace the contactor.
Replace the fuse.
SUCTION MOTOR FUSE
Excessive motor effort.
Faulty brush motor relay.
Motor fuse blown.
Check the motor.
Replace the relay.
Replace the fuse.
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Summary of Contents for 6 BT 70
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