Tennant LPTB03238, Operator'S Manual

Page: 52 / 56

ENGLISH
DISPLAY ALARMS
Alarm Possible cause What to do
BRUSHES THERMAL
PROTECTION 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
PROTECTION 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 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.
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. BRUSHES
([FHVVLYHPRWRUHႇRUW
Faulty functions board.
Brush motor faulty
Check motor load.
Replace functions board.
Replace the brush motor.
DRIVE BOARD
TEMPERATURE
([FHVVLYHYHKLFOHHႇRUW
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
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machine.
Check the wiring.
Check / replace the electric
brake.
Correct the settings in the
Technical Menu.
HDP 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 TEMPERATURE
([FHVVLYHPRWRUHႇRUW
Faulty functions board.
Faulty suction motor.
Check the suction motor.
Replace functions board.
Replace the suction motor.
BRUSH TEMPERATURE
([FHVVLYHPRWRUHႇRUW
Faulty functions board.
Faulty motor.
Check the motor.
Replace functions board.
Replace the motor.
SUCTION O.C.
([FHVVLYHPRWRUHႇRUW
Faulty functions board.
Faulty suction motor.
Check the suction motor.
Replace functions board.
Replace the suction motor.
DRIVE O.C.
([FHVVLYHYHKLFOHHႇRUW
Faulty drive board.
Electric brake engaged.
Check the motor.
Replace the drive board.
Check the electric brake.
UPDATE FW Software update. Do not remove the key
during the update.
FLASHING LIGHT FAULT Faulty wiring.
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7KHÀDVKLQJOLJKWLVEURNHQ
7KH ÀDVKLQJ OLJKW KDV EHHQ
enabled in the Technical
PHQXEXWLWLVQRW¿WWHGRQWKH
machine.
Check the wiring.
&KHFNWKHÀDVKLQJOLJKW
5HSODFHWKHÀDVKLQJOLJKW
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
LVQRW¿WWHGRQWKHPDFKLQH
Check the wiring.
Check the pump.
Replace the pump.
Correct the settings in the
Technical Menu.
BRUSHES FUSE
([FHVVLYHPRWRUHႇRUW
Faulty brush motor contactor.
Motor fuse blown.
Check the motor.
Replace the contactor.
Replace the fuse.
SUCTION FUSE
([FHVVLYHPRWRUHႇRUW
Faulty brush motor relay.
Motor fuse blown.
Check the motor.
Replace the relay.
Replace the fuse.
RECHARGE ERROR Generic error associated
with the battery recharging
operation. Disconnect the battery
charger and repeat the
recharge procedure.
If the problem persists,
replace the battery charger.
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