IPC CT80 - Page 38

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DISCONNECT EMERGENCY Electronic board communication 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 o󰀨, but rather
wait for the procedure to end.
DRIVE BOARD DISPLAY ALARMS
DRIVE BOARD
TEMPERATURE
Board temperature between -10°C and
+80°C.
Excessive vehicle e󰀨ort.
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 con-
troller.
Charge or replace the batteries.
Check battery connection.
DRIVE BOARD O.V. Battery voltage over 31 V.
Machine moving with battery charger con-
nected.
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.
HDP 10 SEC. Accelerator pedal pressed when starting 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-CARCHE FAULT Check electric brake short.
Faulty board.
MOSFET failure.
Replace the drive board.
HDP Accelerator pedal pressed when starting.
Potentiometer not adjusted.
Release accelerator pedal when starting the
machine.
Check potentiometer adjustment.
TRACTION DRIVE 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 e󰀨ort.
Drive motor damaged.
Do not overwork the machine on long ramps.
Check / replace the drive motor.
TRACTION ALARM Drive system problem Wait a few seconds with the machine on until
the correct message is shown on the display.
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