JLG 723A Service Manual - Manual (Page 175)

9.67 L2906H, 2906H, 3507H, 619A, 723A, 29.6LP, 29.6, 35.7
Electrical System
PLATFORM
ATTACHED -
HYDRAULIC QUICK
CONNECT CUTOUT 2528 1 Deactivate output J1-23 Hydraulic
Quick Connect.
Ignore auxiliary hydraulic requests
when the S4 button is engaged on
the cabin’s joystick.
If hydraulic quick connect feature is
configured in the MACHINE SETUP
menu and the platform attached
conditions have been met and
J7-35 is HIGH and J3-10 is LOW
and the CABIN STATION is active.
J7-35
Hydraulic
Quick
Connect ON
is LOW and
J3-10
Hydraulic
Quick
Connect OFF
is HIGH.
ENGINE START
PREVENTED –
SHIFT LEVER NOT
IN NEUTRAL 2529 1 J2-26 Engage Starter output is
inhibited.
If the drive direction signal is not in
neutral (i.e. – J7-22 Forward HIGH
and/or J4-18 Reverse HIGH).
Shift lever is in
neutral
position.
PLATFORM
ATTACHED ANGLE
LIMIT EXCEEDED 2533 1 Report the condition to the UGM.
Deactivate platform module output
J2-19 Function Enable Relay
(which deactivates the dump valve)
with any Main Lift Up hydraulic
request from the platform station.
The UGM will inhibit activation of
J2-11 Main Lift Up Valve.
The platform option is configured
and a platform is detected as
attached and the platform module is
detecting the “PLATFORM
ATTACHED BOOM ANGLE
OVERSHOOT POINT” has been
reached and faults 2343, 2353, and
6621 are not active.
The UGM and
platform
module
confirm the
boom angle
sensor
reading is less
than the
“PLATFORM
ATTACHED
BOOM
ANGLE CUT-
OUT POINT”
for at least 1
second.
BOOM EXTENSION
LIMIT SWITCHES –
CONFLICTING
STATES 2557 1 Illuminate the vehicle system dis-
tress indicator in the cabin’s display.
Activate the buzzer for a period of 5
seconds in the cabin’s display.
Illuminate the vehicle system
distress indicator at the platform
station.
Activate the buzzer for a period of 5
seconds at the platform station.
Illuminate the Envelope Control
indicator at the platform station. If a
prohibited function is engaged, the
Envelope Control indicator will
instead flash at a 10Hz rate.
J2-35 Main Telescope Out Valve
will be inhibited.
J2-22 Main Lift Down Valve will be
inhibited; allow Telescope In
function until a J3-8 Boom
Retracted input state changes
occurs from LOW to HIGH. Only
permit J2-22 Main Lift Down once
J3-8 state change has been seen
as HIGH.
If a platform is detected as attached
and AM J1-4 is LOW and J7-8 is
HIGH or Visa Versa for more than
500ms when a telescope function is
active.
Power cycled.
Message Fault
Code
Indicators Other Actions Taken Trigger for Fault Latch Until