GB
CHARGING COMPLETE
The on-board battery charger is oper-
ating, the charge is complete, all the
machine’s functions are disabled.
Disconnect the battery charger
DRIVE BOARD DISPLAY ALARMS
DRIVE BOARD
TEMPERATURE
Board temperature between -10°C
and +80°C.
Excessive vehicle effort.
Electric brake engaged.
Cool or heat the board.
Do not overwork the machine on long
ramps.
Check the electric brake.
ACCELERATOR FAULT
Faulty potentiometer connections.
Faulty potentiometer.
Incorrect potentiometer type setting.
Check the connection.
Replace the potentiometer.
Set the correct potentiometer.
SPEED FAULT
Speed signal connections interrupted.
Faulty functions board.
Check connection between functions
board and drive board.
Replace functions board.
DRIVE BOARD U.V.
Battery voltage less than 17 V.
Connection error between batteries
and controller.
Charge or replace the batteries.
Check battery connection.
DRIVE BOARD O.V.
Battery voltage over 31 V.
Machine moving with battery charger
connected.
Faulty battery connection.
Check or replace the batteries.
Disconnect the battery charger.
Check battery connection.
RELAY FAULT
Faulty relay.
Faulty drive board.
Replace the drive board.
INPUT FAULT
Emergency input activated on the
drive board.
Key connection on the drive board.
Check connection between functions
board and drive board.
HPD 10 SEC
Accelerator pedal pressed when start-
ing for more than 10 seconds.
Potentiometer not adjusted.
Release accelerator pedal when starting
the machine.
Check potentiometer adjustment.
ELECTRIC BRAKE
FAULT
Faulty drive board.
Faulty electric brake.
Replace the drive board.
Check / replace the electric brake.
PRE-CHARGE FAULT
Check electric brake short.
Faulty board.
MOSFET failure.
Replace the drive board.
HPD
Accelerator pedal pressed when start-
ing.
Potentiometer not adjusted.
Release accelerator pedal when starting
the machine.
Check potentiometer adjustment.
MOTOR FAULT
Drive motor short
Drive motor connection short.
Faulty board.
Check / replace the drive motor.
Check motor connections.
Replace the drive board.
DRIVE BOARD FAULT
Faulty drive motor connection.
Faulty board.
Check motor connection.
Replace the drive board.
DRIVE BOARD POWER
SUPPLY
Battery not connected.
Faulty battery connection.
Connect battery cables.
Check battery cables
OVERCURRENT
Excessive machine effort.
Drive motor damaged.
Do not overwork the machine on long
ramps.
Check / replace the drive motor.
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