17
Ground Control® 3.0
Aftermarket Manual
lci1.com (574) 537-8900 Rev: 04.19.18
CCD-0001307
Bottom of Jack Motor Override
Resources Required: 3/8” drive ratchet and extension,
5/16” socket
1. Find the port on the bottom of the jack motor (Fig. 30A).
2. Remove the rubber plug (Fig. 31A).
3. Insert the 5/16” socket into the port (Fig. 32).
4. Turn override until the jack extends or retracts to desired
position.
A
LCD
Message
What's Happening?
What Should Be
Done?
***ERROR***
LF Jack
RF Jack
LM Jack
RM Jack
LR Jack
RR Jack
Error at a specic jack (left
front, right front, left middle,
right middle, left rear, right
rear). Hall signal issue (open,
short, malfunction or loss
of communication); open or
short circuit between control-
ler and motor.
Check harness
connections at controller
and at jack.
Check harness for
damage.
Repair or replace as
necessary.
Check fuses at controller.
Repair or replace as
necessary.
Special Jack Error Codes
To clear one of the error codes listed below:
1. Correct or otherwise repair the issue (see the table below).
Note: In order to clear the special jack error code the jacks need
to be “homed.” In order to “home” jacks, each jack MUST be
able to retract a minimum of 6”.
2. Extend all jacks to reach the 6” of minimum retract needed.
A. Press “FRONT” (Fig. 22G) to extend the front jacks (if
required).
B. Press “REAR” (Fig. 22J) to extend the rear jacks (if
required).
C. Press “LEFT” and “RIGHT” (Fig. 22H and Fig. 22I)
simultaneously to extend the middle jacks (if equipped and
required).
3. Press and hold the retract button until all of the jacks begin to
retract. The jacks will retract until they reach the hard current
limit.
4. The jacks are now “homed” and the special jack error code
will be cleared.
Note: If the jacks do not retract, an error should display on
the touch pad screen. This is typically caused by wiring
interruption.
Fig.30
Fig.31
Fig.32
A
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