“4069RT” Service and Parts ManualMarch 2014
Page 4-14
TROUBLESHOOTING -- EZ -CAL RETRIEVE MODE AND HELP MESSAGES
PLATFORM, GROUND
• The system is ready to operate, from the upper or lower 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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