Function Problem - Level Up Permanently Selected; Function Problem - Lift Down Permanently Selected - JLG T350 Troubleshooting Manual

2.65 FUNCTION PROBLEM - LEVEL UP PERMANENTLY SELECTED

Distress Lamp: 1
The ground level up switch was closed when the machine was powered. The switch could be accidentally held, mechani-
cally stuck, or electrically shorted.
Functions Disabled at Ground Only: Level Up
Step Pretest Instructions
2.65.1
2.65.2 Disconnect X034. Place key
switch in ground position and
pull the emergency stop
switch.
2.65.3 Remove X014.27.pin from
X014. Place key switch in
ground position and pull the
emergency stop switch.
2.65.4 Place key switch in ground
position and pull the emer-
gency stop switch.

2.66 FUNCTION PROBLEM - LIFT DOWN PERMANENTLY SELECTED

Distress Lamp: 1
The ground lift down switch was closed when the machine was powered. The switch could be accidentally held, mechani-
cally stuck, or electrically shorted.
Functions Disabled at Ground Only: Lift Down
Step Pretest Instructions
2.66.1
2.66.2 Disconnect X031. Place key
switch in ground position and
pull the emergency stop
switch.
2.66.3 Remove X014.22.pin from
X014. Place key switch in
ground position and pull the
emergency stop switch.
2.66.4 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 the switch mechanically
stuck?
Is fault "Function Problem -
Level Up Permanently
Selected"still present?
Is fault "Function Problem -
Level Up Permanently
Selected"still present?
Measured voltage at
X004.17 = Vbatt?
ADE Code: 2-3
Test
Is the switch mechanically
stuck?
Is fault "Function Problem -
Lift Down Permanently
Selected"still present?
Is fault "Function Problem -
Lift Down Permanently
Selected"still present?
Measured voltage at
X004.33 = Vbatt?
T350 T500J
Result
Yes
No
Yes
No
Yes
No
Yes
No
Result
Yes
No
Yes
No
Yes
No
Yes
No
Corrective Action
Repair or replace the switch
Go to step 2.65.2
Go to step 2.65.3
Possible Causes: 4.1.18
Go to step 2.65.4
Possible Causes: Short in Pink 25-2
wire
Possible Causes: Short in Pink 25-2-1
wire, 4.1.10
Possible Causes: 4.1.10
Corrective Action
Repair or replace the switch
Go to step 2.66.2
Go to step 2.66.3
Possible Causes: 4.1.18
Go to step 2.66.4
Possible Causes: Short in Tan 4-2 wire
Possible Causes: Short in Tan 4-2-1
wire, 4.1.10
Possible Causes: 4.1.10
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