DISCONNECT EMERGENCY
DRIVE BOARD
TEMPERATURE
ACCELERATOR FAULT
SPEED FAULT
DRIVE BOARD U.V.
DRIVE BOARD O.V.
RELAY FAULT
INPUT FAULT
HDP 10 SEC.
ELECTRIC BRAKE FAULT
PRE-CARCHE FAULT
HDP
TRACTION DRIVE FAULT
DRIVE BOARD FAULT
DRIVE BOARD POWER
SUPPLY
OVERCURRENT
TRACTION ALARM
Electronic board communication problem
DRIVE BOARD DISPLAY ALARMS
Board temperature between -10°C and
+80°C.
Excessive vehicle effort.
Electric brake engaged.
Faulty potentiometer connections.
Faulty potentiometer.
Incorrect potentiometer type setting.
Speed signal connections interrupted.
Faulty functions board.
Battery voltage less than 17 V.
Connection error between batteries and con-
troller.
Battery voltage over 31 V.
Machine moving with battery charger con-
nected.
Faulty battery connection.
Faulty relay.
Faulty drive board.
Emergency input activated on the drive
board.
Key connection on the drive board.
Accelerator pedal pressed when starting for
more than 10 seconds.
Potentiometer not adjusted.
Faulty drive board.
Faulty electric brake.
Check electric brake short.
Faulty board.
MOSFET failure.
Accelerator pedal pressed when starting.
Potentiometer not adjusted.
Drive motor short
Drive motor connection short.
Faulty board.
Faulty drive motor connection.
Faulty board.
Battery not connected.
Faulty battery connection.
Excessive machine effort.
Drive motor damaged.
Drive system problem
Press the emergency switch and reset it after
10 seconds. If following this procedure, the
"update software" message is shown on the di-
splay, do not switch the machine off, but rather
wait for the procedure to end.
Cool or heat the board.
Do not overwork the machine on long ramps.
Check the electric brake.
Check the connection.
Replace the potentiometer.
Set the correct potentiometer.
Check connection between functions board and
drive board.
Replace functions board.
Charge or replace the batteries.
Check battery connection.
Check or replace the batteries.
Disconnect the battery charger.
Check battery connection.
Replace the drive board.
Check connection between functions board and
drive board.
Release accelerator pedal when starting the
machine.
Check potentiometer adjustment.
Replace the drive board.
Check / replace the electric brake.
Replace the drive board.
Release accelerator pedal when starting the
machine.
Check potentiometer adjustment.
Check / replace the drive motor.
Check motor connections.
Replace the drive board.
Check motor connection.
Replace the drive board.
Connect battery cables.
Check battery cables
Do not overwork the machine on long ramps.
Check / replace the drive motor.
Wait a few seconds with the machine on until
the correct message is shown on the display.
GB
38