Function Problem - Jib Up And Down Both Selected; Function Problem - Jib Up Permanently Selected - JLG T350 Troubleshooting Manual

2.61 FUNCTION PROBLEM - JIB UP AND DOWN BOTH SELECTED

Distress Lamp: 9
The digital inputs from both jib up and jib down ground panel switches are active.
T500J MODELS ONLY
Functions Disabled at Ground Only: Jib Up, Jib Down
Step Pretest Instructions
2.61.1 Disconnect X032. Pull the
ground emergency stop
switch and place key switch in
the ground position
2.61.2 Disconnect X014. Hold the
enable switch.
2.61.3 Disconnect X014. Hold the
enable switch.
2.61.4 Remove X004.19.soc from
X004

2.62 FUNCTION PROBLEM - JIB UP PERMANENTLY SELECTED

Distress Lamp: 1
The ground jib up switch was closed when the machine was powered. The switch could be accidentally held, mechanically
stuck, or electrically shorted.
T500J MODELS ONLY
Functions Disabled at Ground Only: Jib Up
Step Pretest Instructions
2.62.1
2.62.2 Disconnect X032. Place key
switch in ground position and
pull the emergency stop
switch.
2.62.3 Remove X014.25.pin from
X014. Place key switch in
ground position and pull the
emergency stop switch.
2.62.4 Place key switch in ground
position and pull the emer-
gency stop switch.
3121203
SECTION 2 - TROUBLESHOOTING BY FAULT MESSAGES
ADE Code: 2-3
Test
Is fault "Function Problem -
Jib Up And Down Both
Selected"still present?
Measure continuity between
X014.25.pin and X014.1.pin
Measure continuity between
X014.24.pin and X014.1.pin
Is fault "Function Problem -
Jib Up And Down Both
Selected"still present?
ADE Code: 2-3
Test
Is the switch mechanically
stuck?
Is fault "Function Problem -
Jib Up Permanently
Selected"still present?
Is fault "Function Problem -
Jib Up Permanently
Selected"still present?
Measured voltage at
X004.19 = Vbatt?
T350 T500J
Result
Yes
No
Yes
No
Yes
No
Yes
No
Result
Yes
No
Yes
No
Yes
No
Yes
No
Corrective Action
Go to step 2.61.2
Possible Causes: 4.1.18
Possible Causes: Short in Blue 27-2
wire.
Go to step 2.61.3
Possible Causes: Short in Blue 28-2
wire.
Go to step 2.61.4
Possible Causes: 4.1.10
Possible Causes: Short in Blue 27-2-1
wire or Blue 28-2-1 wire
Corrective Action
Repair or replace the switch
Go to step 2.62.2
Go to step 2.62.3
Possible Causes: 4.1.18
Go to step 2.62.4
Possible Causes: Short in Blue 27-2
wire
Possible Causes: Short in Blue 27-2-1
wire, 4.1.10
Possible Causes: 4.1.10
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