October 2008 "3072ES / 3772ES / 3772ES HD" Service & Parts Manual
Page 4-22
CHECK CAN bus
• The system cannot operate – CAN bus communications is not successful (for example wire damage to the
platform)
PLATFORM, GROUND
• The system is ready to operate, from the platform or ground controls as indicated (selected by the Base/
Platform selector switch)
GROUND UP, GROUND DOWN,
•A ground function is operating normally
GROUND UP LOCKED, GROUND DOWN LOCKED,
•A ground function is selected but not allowed (for example, the function switch was closed at power-on)
GROUND FAULTY
•Multiple ground function inputs are active at the same time
WAITING FOR TRIGGER
• A platform function is selected, but the joystick trigger switch is not closed (close the trigger switch to
proceed)
TRIGGER CLOSED
• The joystick trigger switch is closed, but no function is selected (select a function to proceed)
TRIGGER LOCKED
• The joystick trigger switch was closed at power-on, or closed for too long with no function selected (check
trigger switch)
FORWARD, REVERSE
• A platform drive function is operating normally
FORWARD (LEFT), FORWARD (RIGHT), REVERSE (LEFT), REVERSE (RIGHT)
• A platform drive function is operating normally, with steer also active
STEER LEFT, STEER RIGHT
• A platform steer function is operating normally (without drive)
UP, DOWN
• A platform lift/lower function is operating normally
FORWARD LOCKED, REVERSE LOCKED
• A platform drive function is selected but not allowed (for example, the switch was closed at power-on)
LEFT LOCKED, RIGHT LOCKED
• A platform steer function is selected but not allowed (for example, the switch was closed at power-on)
UP LOCKED, DOWN LOCKED
• A platform lift/lower function is selected but not allowed (for example, the switch was closed at power-on)
CHECK DRIVE/LIFT
• Neither platform drive nor platform lift select is active, or both are active at the same time
CHECK JOYSTICK
• Both platform joystick directions are active at the same time
STEER FAULTY
• Both platform steer directions are active at the same time
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