October 2008 "3072ES / 3772ES / 3772ES HD" Service & Parts Manual
Page 4-26
FUNCTIONS LOCKED – OVERLOADED (CE option only) ------------------------ Flash Code: 2/2
• System overload features are active, and the platform is excessively loaded to allow operation – the platform
load must be reduced.
• If the overload features are not wanted, be sure to set ADJUSTMENTS/ OVERLOAD TRIP@, LAMP@ or
ALARM@ to 0%.
FUNCTIONS LOCKED – UNDERLOADED (CE option only)---------------------- Flash Code: 2/2
• System overload features are active, and the platform load is too low to be valid – this could be caused by
erroneous calibration, a sensor fault, or a change in the vehicle mechanics/hydraulics.
• If the under-load feature is not wanted, be sure to set SETUPS/LOAD SETUPS/ FAULTY LOAD to -100%.
FUNCTIONS LOCKED - TOO HIGH ------------------------------------------------------ Flash Code: 2/2
• The platform is raised to high to allow some functions.
• Check ADJUSTMENTS/HEIGHTS/MAX DRIVE and MAX LIFT; if drive and/or lift is allowed at all heights, set to
101% to disable the MAX HEIGHT function.
FUNCTIONS LOCKED - TILTED ---------------------------------------------------------- Flash Code: 2/2
• The vehicle is tilted too much to allow some functions.
• Check ADJUSTMENTS/TILT/Xtrip and Ytrip, which determine the maximum allowed vehicle tilt.
See chart 5 – EZ-Cal Adjustments for factory default values.
•Also check SETUPS/TILT SETUPS/TILT SHUTDOWN and ELEV.TILT SHUTDOWN which determine what
functions to prevent when the vehicle is tilted. See chart 6 – EZ-Cal Setups for factory default values.
FUNCTIONS LOCKED - EXTERNAL SHUTDOWN ---------------------------------- Flash Code: 2/2
•An external shutdown is preventing functions – check DIAGNOSTICS/SYSTEM/ MODE/INTERLOCK to see
which external interlock is active.
CHECK GROUND INPUT SWITCHES!-------------------------------------------------- Flash Code: 2/2
• There is a problem with the ground function select switches – more than one is active at the same time.
SELECT DRIVE/LIFT MODE! -------------------------------------------------------------- Flash Code: 2/2
• There is a problem with the platform drive/lift select switch – neither mode is selected.
CHECK DRIVE/LIFT SELECT SWITCH! ------------------------------------------------ Flash Code: 2/2
• There is a problem with the platform drive/lift select switch – both modes are selected together.
CHECK JOYSTICK SWITCHES!---------------------------------------------------------- Flash Code: 2/2
• There is a problem with the platform joystick switches – both directions are selected together.
RELEASE TRIGGER! ------------------------------------------------------------------------ Flash Code: 2/2
• The trigger was closed at power-on, or closed for too long with no function selected .
RELEASE GROUND SWITCHES!-------------------------------------------------------- Flash Code: 2/2
•Ground function switches were closed at power-on.
RELEASE JOYSTICK SWITCHES! ------------------------------------------------------ Flash Code: 2/2
• Platform joystick switches were closed at power-on, or closed for too long without trigger switch (see
SETUPS/INTERLOCKS/TRIGGERwait).
RELEASE OUTRIGGER SWITCHES! --------------------------------------------------- Flash Code: 2/2
•Outrigger switches were closed at power-on.
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