TM 5-2420-230-10
If the loader detects an error code and no longer responds to the controls, selecting this emergency mode enables the operator
to move the vehicle from the work site to the repair shop. The following procedure activates the emergency mode:
The automatic antirollback protection system and autoleveling function do not operate in emergency
mode. This mode should be used only with an empty bucket and as a temporary solution in cases
where the loader is inoperative while in normal operating mode. Failure to comply may result in
damage to equipment.
(1)
(2)
Turn the hydraulic master switch to OFF position by depressing it for at least 4 seconds.
(3)
Hold down return-to-position button and return-to-level, dig, float button located on right joystick, and move
electrical master switch to ON position by releasing it.
(4)
Release return-to-position button and return-to-level, dig, float button after 5 seconds.
NOTE
In this mode, there is no coordination of movement between the arms and the bucket. When the arms
are raised or lowered, the bucket does not compensate.
(5)
To indicate to the operator that the vehicle is in the emergency mode, the three indicators (i.e., loader, backhoe,
and float position) flash for a half second on and a half second off, repeatedly.
If emergency mode fails to operate, any hydraulic components in use must be stowed by manually operating the hydraulic
A self-test device in the electronic control box indicates the presence and location of a malfunction in the system. This mode is
used to assist the fault-finding process in the electrical system. The test device checks the condition of all wiring and detectors
connected to it, in addition to its own internal, electronic logic. Diagnostics are coded by flashing of the loader indicator and
the backhoe indicator located on the left joystick console. If the blue or green lights on the left joystick are not on, the system
is defective and the vehicle should not be operated. Notify Unit maintenance.