Jib Down Solenoid Short To Battery; Jib Down Solenoid Short To Ground - JLG T350 Troubleshooting Manual

2.89 JIB DOWN SOLENOID SHORT TO BATTERY

Distress Lamp: 9
Ground module feedback shows that Lift Down PWM output may be shorted to battery or other function
T500J MODELS ONLY
Functions Disabled: Jib Down
Step Pretest Instructions
2.89.1 Disconnect solenoid at X056
and isolate wires
2.89.2 Remove wire Blue 28-3-1
from X002.20

2.90 JIB DOWN SOLENOID SHORT TO GROUND

Distress Lamp: 9
Ground module feedback shows that Jib Down PWM output may be shorted to ground or the solenoid may be defective
T500J MODELS ONLY
Functions Disabled: Jib Up
Step Pretest Instructions
2.90.1 Disconnect solenoid at X056
and isolate wires
2.90.2 Remove wire Blue 28-3-1
from X002.20
3121203
SECTION 2 - TROUBLESHOOTING BY FAULT MESSAGES
ADE Code: 3-3
Test
Rerun System Test
Rerun System Test
ADE Code: 3-3
Test
Rerun System Test
Rerun System Test
T350 T500J
Result
Analyzer Message "JIB DOWN
VALVE OPEN CIRCUIT"
Analyzer Message "JIB DOWN
VALVE SHORT TO BATTERY"
Analyzer Message "JIB DOWN
VALVE OPEN CIRCUIT"
Analyzer Message "JIB DOWN
VALVE SHORT TO BATTERY"
Result
Analyzer Message "JIB DOWN
VALVE OPEN CIRCUIT"
Analyzer Message "JIB DOWN
VALVE SHORT TO GROUND"
Analyzer Message "JIB DOWN
VALVE OPEN CIRCUIT"
Analyzer Message "JIB DOWN
VALVE SHORT TO GROUND"
Corrective Action
Repair/Replace solenoid
Go to step 2.89.2
Wire Blue 28-3-1 or Yel/Blk boom wire
shorted to battery. Repair or replace
Possible Cause: 4.1.10
Corrective Action
Repair/Replace solenoid
Go to step 2.90.2
Wire Blue 28-3-1 or Blue 28-3 shorted
to ground. Repair or replace
Possible Cause: 4.1.10
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