Dump Solenoid Open Circuit; Dump Solenoid Short To Battery - JLG T350 Troubleshooting Manual

2.40 DUMP SOLENOID OPEN CIRCUIT

Distress Lamp: 9
Ground module feedback shows that the Dump Valve PWM output may be disconnected or the solenoid may be defective.
ENGINE POWERED MACHINES ONLY
Functions Disabled (Engine Powered Machines Only): Lift Up, Lift Down, Swing Left, Swing Right, Telescope In, Telescope
Out, Jib Up, Jib Down, 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)
Step Pretest Instructions
2.40.1 Run system test
2.40.2 Disconnect solenoid at X087.
Short X087.1.soc to
X087.2.soc
2.40.3 Replace X002.9 with a jumper
to X002.14

2.41 DUMP SOLENOID SHORT TO BATTERY

Distress Lamp: 9
Ground module feedback shows that the Dump Valve PWM output may be shorted to battery or the solenoid may be defec-
tive
ENGINE POWERED MACHINES ONLY
Functions Disabled (Engine Powered Machines Only): Lift Up, Lift Down, Swing Left, Swing Right, Telescope In, Telescope
Out, Jib Up, Jib Down, 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)
Step Pretest Instructions
2.41.1 Run system test
2.41.2 Disconnect solenoid at X087
and isolate wires
2.41.3 Remove wire Red/Wht 50-1-1
from X002.9
3121203
SECTION 2 - TROUBLESHOOTING BY FAULT MESSAGES
ADE Code: 3-3
Test
Do other functions fail sys-
tem test?
Rerun System Test
Rerun System Test
ADE Code: 3-3
Test
Do other functions fail sys-
tem test?
Rerun System Test
Rerun System Test
T350 T500J
Result
Yes
No
Analyzer Message "DUMP VALVE
SHORT TO GROUND"
Analyzer Message "DUMP VALVE
OPEN CIRCUIT"
Analyzer Message "DUMP VALVE
SHORT TO GROUND"
Analyzer Message "DUMP VALVE
OPEN CIRCUIT"
Result
Yes
No
Analyzer Message "DUMP VALVE
OPEN CIRCUIT"
Analyzer Message "DUMP VALVE
SHORT TO BATTERY"
Analyzer Message "DUMP VALVE
OPEN CIRCUIT"
Analyzer Message "DUMP VALVE
SHORT TO BATTERY"
Corrective Action
Possible Cause: Black ground wire
broken, 4.1.1, otherwise
Go to step 2.40.2
Go to step 2.40.2
Replace solenoid and/or connector
Go to step 2.40.3
Wire Red/Wht 50-1-1 or Red/Wht 50-
1 broken. Repair or replace
Possible Cause: 4.1.10
Corrective Action
Possible Cause: Black ground wire
broken, 4.1.1, otherwise go to step
2.41.2
Go to step 2.41.2
Replace solenoid
Go to step 2.41.3
Wire Red/Wht 50-1-1 or Red/Wht 50-1
shorted to battery. Repair or replace
Possible Cause: 4.1.10
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