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User Manual

ManualsBrandsJLG ManualsSpecial machinery723A Service Manual
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Electrical System
9.80
L2906H, 2906H, 3507H, 619A, 723A, 29.6LP, 29.6, 35.7
ENGIN E FUEL
RELA Y – SHORT TO
BATTERY
33268 1 Deactivate output J2-31 Engine
Fuel Relay.
Deactivate and inhibit output J2-26
Engage Starter.
The UGM detects a short to battery
at this output.
Power cyc led.
ENGIN E FUEL
RELA Y – SHORT TO
GROUND
33269 1 Deactivate output J2-31 Engine
Fuel Relay.
Deactivate and inhibit output J2-26
Engage Starter.
The UGM detects a short to ground
at this output.
Power cyc led.
CRAB STEER
VALVE –
OPEN CIRCUIT
33270 1 Deactivat e output J2-16 Crab Steer
Valve.
Try to complete any pending steer
mode changes.
Display the “Steer Valve Failure”
screen on the LCD of the cabin’s
display.
The UGM detects an open circuit at
this output.
Power cyc led.
CRAB STEER
VALVE – SHOR T T O
BATTERY
33271 1 Deactivat e output J2-16 Crab Steer
Valve.
Try to complete any pending steer
mode changes and prohibit any
new steer mode requests.
Display the “Steer Valve Failure”
screen on the LCD of the cabin’s
display.
The UGM detects a short to battery
at this output.
Power cyc led.
CRAB STEER
VALVE – SHOR T T O
GROUND
33272 1 Deactivat e output J2-16 Crab Steer
Valve.
Try to complete any pending steer
mode changes.
Display the “Steer Valve Failure”
screen on the LCD of the cabin’s
display.
The UGM detects a short to ground
at this output.
Power cyc led.
ALL WHEEL STEER
VALVE –
OPEN CIRCUIT
33273 1 Deactivate output J2-4 All Wheel
Steer Valve.
Try to complete any pending steer
mode changes.
Display the “Steer Valve Failure”
screen on the LCD of the cabin’s
display.
The UGM detects an open circuit at
this output.
Power cyc led.
ALL WHEEL STEER
VALVE – SHOR T T O
BATTERY
33274 1 Deactivate output J2-4 All Wheel
Steer Valve.
Try to complete any pending steer
mode changes and prohibit any
new steer mode requests.
Display the “Steer Valve Failure”
screen on the LCD of the cabin’s
display.
The UGM detects a short to battery
at this output.
Power cyc led.
Message Fault
Code
Indicators Other Actions Taken Tri gge r for Fault Latch Until