"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008
Page 3-17
GP106 Outrigger Control Module Troubleshooting
When the EZ-Cal hand-held device is connected to the GP106 control module, the first menu
available is “HELP” – just press the ENTER button to see a message describing the current
status of the GP106; this can be very helpful in diagnosing problems with the system.
When an EZ-Cal is unavailable, an LED on the GP106 flashes to provide limited diagnostics
The following messages might be displayed:
EVERYTHING OK
The GP106 detects no problems.
If problems are being experienced with the system, use the DIAGNOSTICS menus to
check for wiring problems.
B+ SUPPLY TOO LOW
The GP106 is designed for use on 12V and 24V battery powered vehicles; it cannot operate
with a supply below about 9V.
The “BATTERY” voltage can be checked in the “SYSTEM” menu (available in the
“DIAGNOSTICS” menu).
CANNOT LEVEL: BAD TILT SENSOR
Ensure that the GP106 is correctly installed – if it is wrongly oriented, its integral tilt sensor will
be unable to measure vehicle tilt correctly.
CHECK OUTRIGGERS SUPPLY (P4-9)
An auto-level or auto-retract signal has been detected by the GP106 (on P2-5 or P2-6) but
there is no supply on P4-9 to power the outrigger legs.
OUTRIGGERS MANUALLY CONTROLLED
The outrigger system cannot be manually controlled, but this message may appear. It
indicates a wiring problem to terminal P2-2.
OUTRIGGERS CANNOT BE MOVED
The outrigger system will be unable to operate if the machine is on a steep slope greater than
ten (10) degrees.
RELEASE OUTRIGGER DEMAND!
The GP106 is waiting for an active signal on P2-5 or P2-6 to be released (due to activating a
switch when power is applied, or in conjunction with manual use of the outriggers, or
activating both switches together).
VEHICLE TILTED
Either the “X” or “Y” tilt (measured by the GP106 integral tilt sensor) exceeds three degrees.
This does not affect operation of outriggers.
OUTRIGGER WIRING FAULT
The system has detected voltage on P2-2 but voltage is not present on P2-5 or P2-6. Check
wiring to P2-5/6.
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