Open-Circuit Pump Motor Wiring; Optional Ground Alarm Short To Battery; Optional Ground Alarm Short To Ground - JLG T350 Troubleshooting Manual

SECTION 2 - TROUBLESHOOTING BY FAULT MESSAGES

2.119 OPEN-CIRCUIT PUMP MOTOR WIRING

Distress Lamp: 9
The Power Module detected an error in the Pump Motor Wiring. Check power wiring and re-cycle power to clear difficulty.
Alternately, there may be an issue (open field, armature, or brush) with the Motor.
Functions Disabled: Lift Up, Swing Left, Swing Right, Telescope In, Telescope Out, Jib Up, Level Up, Level Down, Front Left
O/R, Front Right O/R, Rear Left O/R, Rear Right O/R, Set (Extend O/R), Stow (Retract O/R), Engine Start, Engine Throttle
Pull, Engine Throttle Hold, Engine Choke Pull, Engine Choke Hold, Drive
Step Pretest Instructions
2.119.1

2.120 OPTIONAL GROUND ALARM SHORT TO BATTERY

Distress Lamp: 9
Ground module feedback shows that the optional ground alarm PWM output may be shorted to battery or another function
All Functions Operable
Step Pretest Instructions
2.120.1 Disconnect alarm at X050 and
isolate wires
2.120.2 Remove X017.4 from X017
2.120.3 Remove X002.8 from X002

2.121 OPTIONAL GROUND ALARM SHORT TO GROUND

Distress Lamp: 9
Ground module feedback shows that optional ground alarm PWM output may be shorted to ground or the solenoid may be
defective
All Functions Operable
Step Pretest Instructions
2.121.1 Disconnect alarm at X050 and
isolate wires
2.121.2 Remove X017.4 from X017
2.121.3 Remove X002.8 from X002
2-96
ADE Code: 7-7
Test
While operating Lift Up, is the
Voltage between X115 and
X114 = Vbatt?
ADE Code: 3-3
Test
Is the fault removed?
Is the fault removed?
Is the fault removed?
ADE Code: 3-3
Test
Is the fault removed?
Is the fault removed?
Is the fault removed?
T350 T500J
Result
Yes
No
Result
Yes
No
Yes
No
Yes
No
Result
Yes
No
Yes
No
Yes
No
Corrective Action
See Open-Circuit Pump Motor in 3.3
DC Powered Machine - Power Module
See 3.3 DC Powered Machine - Power
Module
Corrective Action
Possible Causes: 4.1.25
Go to step 2.120.2
Wire Yel/Red 2-13 or black ground wire
between X017 and X050 shorted to
battery. Repair or replace
Go to step 2.120.3
Wire Yel/Red 2-13 between X017 and
X002 shorted to battery. Repair or
replace
Possible Causes: 4.1.10
Corrective Action
Possible Causes: 4.1.25
Go to step 2.121.2
Wire Yel/Red 2-13 or black ground wire
shorted to ground. Repair or replace
Go to step 2.121.3
Wire Yel/Red 2-13 shorted to ground.
Repair or replace
Possible Causes: 4.1.10
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