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JLG T350, T500J Boom Lift Troubleshooting Manual

225 pages · Publication 3121203

$69.55
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Models
T350, T500J
Serial coverage
0030000001-0030012032
Manual type
Troubleshooting Manual
Pages
225
Publication
3121203
Condition
Brand new
JLG T350, T500J Boom Lift Troubleshooting Manual, publication 3121203

What's inside

From the manual's own table of contents: 321 topics. See sample pages (PDF, 749 KB)

  • Chassis Tilt Sensor Out Of Range
  • Running At Creep - Material Hook Mode
  • Function Locked Out - Joystick Not Centered At Startup
  • Function Locked Out - Trigger Permanently Closed
  • Function Problem - Engine Choke Permanently Selected
  • Function Problem - Engine Start Permanently Selected
  • Function Problem - Jib Down Permanently Selected
  • Function Problem - Jib Up Permanently Selected
  • Function Problem - Level Down Permanently Selected
  • Function Problem - Level Up Permanently Selected
  • Function Problem - Lift Down Permanently Selected
  • Function Problem - Lift Up Permanently Selected
  • Function Problem - Outrigger Set Permanently Selected
  • Function Problem - Outrigger Stow Permanently Selected
  • Function Problem - Swing Left Permanently Selected
  • Function Problem - Swing Right Permanently Selected
  • Function Problem - Telescope In Permanently Selected
  • Function Problem - Telescope Out Permanently Selected
  • Joystick Moved But Trigger Switch Open
  • Trigger Closed Too Long While In Neutral
  • Drive & O/R Prevented - Operate From Platform
  • Drive & O/R Prevented - Place Boom On Rest
  • Drive & O/R Prevented - Set Hand Brake
  • Drive Prevented - Lift Down
Show all 321 topics
  • Drive Prevented - Stow Outriggers
  • Drive Prevented - Telescope In
  • Lift Down Prevented - Tele In First
  • Lift Up & Tele Out Prevented - Tilted & Above Elevation
  • Lift Up & Tele Out Prevented - Tilted,Unset,& Above Elevation
  • Lift Up & Tele Out Prevented - Unset & Above Elevation
  • Lift Up Prevented - Check Outriggers
  • Lift Up Prevented - Lift Down Then Set Outriggers
  • Lift Up Prevented - Tilted
  • Model Changed - Hydraulics Suspended - Cycle EMS
  • Outrigger Stow Prevented - Tele In First
  • Outriggers Prevented - Elevated
  • Running At Creep - Tilted & Above Elevation
  • Running At Creep - Unset & Above Elevation
  • Tele Out Prevented - Set Outriggers
  • Tele Out Prevented - Tilted
  • Battery Voltage Too High - System Shutdown
  • Battery Voltage Too Low - System Shutdown
  • No Charge System Output
  • Functions At Cutback - Power Module Current Limit
  • Power Module Too Hot - Please Wait
  • Engine Not Running
  • Accessory Fault
  • CANBUS Failure - Accessory Module Communications Lost
  • CANBUS Failure - Drive Module
  • CANBUS Failure - Platform Module
  • CANBUS Failure - Power Module
  • Chassis Tilt Sensor Gain Not Calibrated
  • Chassis Tilt Sensor Gain Out Of Range
  • Chassis Tilt Sensor Not Calibrated
  • Choke Hold Solenoid Open Circuit
  • Choke Hold Solenoid Short To Battery
  • Choke Hold Solenoid Short To Ground
  • Choke Pull Relay Open Circuit
  • Choke Pull Relay Short To Battery
  • Choke Pull Relay Short To Ground
  • Drive Enable Solenoid Short To Battery
  • Drive Enable Solenoid Short To Ground Or Open Circuit
  • Drive Left Forward Solenoid Open Circuit
  • Drive Left Forward Solenoid Short To Battery
  • Drive Left Forward Solenoid Short To Ground
  • Drive Left Reverse Solenoid Open Circuit
  • Drive Left Reverse Solenoid Short To Battery
  • Drive Left Reverse Solenoid Short To Ground
  • Drive Right Forward Solenoid Open Circuit
  • Drive Right Forward Solenoid Short To Battery
  • Drive Right Forward Solenoid Short To Ground
  • Drive Right Reverse Solenoid Open Circuit
  • Drive Right Reverse Solenoid Short To Battery
  • Drive Right Reverse Solenoid Short To Ground
  • Dump Solenoid Open Circuit
  • Dump Solenoid Short To Battery
  • Dump Solenoid Short To Ground
  • EEPROM Failure - Check All Settings
  • Extend O/R Solenoid Open Circuit
  • Extend O/R Solenoid Short To Battery
  • Extend O/R Solenoid Short To Ground
  • Front-Left O/R Solenoid Open Circuit
  • Front-Left O/R Solenoid Short To Battery
  • Front-Left O/R Solenoid Short To Ground
  • Front-Right O/R Solenoid Open Circuit
  • Front-Right O/R Solenoid Short To Battery
  • Front-Right O/R Solenoid Short To Ground
  • Function Problem - Jib Up And Down Both Selected
  • Function Problem - Level Up And Down Both Selected
  • Function Problem - Lift Up And Down Both Selected
  • Function Problem - Outrigger Set And Stow Both Selected
  • Function Problem - Rotary Selector Switch
  • Function Problem - Swing Left And Right Both Selected
  • Function Problem - Telescope In And Out Both Selected
  • Functions Locked Out - Constant Data Version Improper
  • Functions Locked Out - Platform Module Software Version Improper
  • Functions Locked Out - Power Module Software Version Improper
  • Ground Alarm Short To Battery
  • Ground Alarm Short To Ground
  • Ground Module Failure Ref Voltage Out Of Range
  • Ground Module Failure Vlow Fet Failure
  • Hourmeter Short To Battery
  • Jib Down Solenoid Open Circuit
  • Jib Down Solenoid Short To Battery
  • Jib Down Solenoid Short To Ground
  • Jib Up Solenoid Open Circuit
  • Jib Up Solenoid Short To Battery
  • Jib Up Solenoid Short To Ground
  • Joystick Faulty - X axis Wiper Out Of Range
  • Joystick Faulty - Y axis Wiper Out Of Range
  • Keyswitch Faulty
  • Level Down Solenoid Open Circuit
  • Level Down Solenoid Short To Battery
  • Level Down Solenoid Short To Ground
  • Level Up Solenoid Open Circuit
  • Level Up Solenoid Short To Battery
  • Level Up Solenoid Short To Ground
  • Lift Down Solenoid Open Circuit
  • Lift Down Solenoid Short To Battery
  • Lift Down Solenoid Short To Ground
  • Lift Up Solenoid Open Circuit
  • Lift Up Solenoid Short To Battery
  • Lift Up Solenoid Short To Ground
  • Open-Circuit Pump Motor Wiring
  • Optional Ground Alarm Short To Battery
  • Optional Ground Alarm Short To Ground
  • Platform Position Detection Faulty
  • Power Module Failure Check Power Circuits Or Mosfet Short Circuit
  • Power Module Failure Internal Error
  • Power Module Failure Personality Range Error
  • Rear-Left O/R Solenoid Open Circuit
  • Rear-Left O/R Solenoid Short To Battery
  • Rear-Left O/R Solenoid Short To Ground
  • Rear-Right O/R Solenoid Open Circuit
  • Rear-Right O/R Solenoid Short To Battery
  • Rear-Right O/R Solenoid Short To Ground
  • Retract O/R Solenoid Open Circuit
  • Retract O/R Solenoid Short To Battery
  • Retract O/R Solenoid Short To Ground
  • Start Solenoid Open Circuit
  • Start Solenoid Short To Battery
  • Start Solenoid Short To Ground
  • Swing Left Solenoid Open Circuit
  • Swing Left Solenoid Short To Battery
  • Swing Left Solenoid Short To Ground
  • Swing Right Solenoid Open Circuit
  • Swing Right Solenoid Short To Battery
  • Swing Right Solenoid Short To Ground
  • Telescope In Solenoid Open Circuit
  • Telescope In Solenoid Short To Battery
  • Telescope In Solenoid Short To Ground
  • Telescope Out Solenoid Open Circuit
  • Telescope Out Solenoid Short To Battery
  • Telescope Out Solenoid Short To Ground
  • Throttle Hold Solenoid Open Circuit
  • Throttle Hold Solenoid Short To Battery
  • Throttle Hold Solenoid Short To Ground
  • Throttle Pull Relay Open Circuit
  • Throttle Pull Relay Short To Battery
  • Throttle Pull Relay Short To Ground
  • Chassis Tilt Sensor Out Of Range
  • Engine Not Running
  • Joystick Moved But Trigger Switch Open
  • Running At Creep - Material Hook Mode
  • Running At Creep - Tilted & Above Elevation
  • Running At Creep - Unset & Above Elevation
  • 2-1 Keyswitch Faulty
  • 2-1 Platform Position Detection Faulty
  • 2-2 Function Locked Out - Joystick Not Centered At Startup
  • 2-2 Function Locked Out - Trigger Permanently Closed
  • 2-2 Function Problem - Engine Choke Permanently Selected
  • 2-2 Function Problem - Engine Start Permanently Selected
  • 2-2 Function Problem - Rotary Selector Switch
  • 2-2 Joystick Faulty - X axis Wiper Out Of Range
  • 2-2 Joystick Faulty - Y axis Wiper Out Of Range
  • 2-2 Trigger Closed Too Long While In Neutral
  • 2-3 Function Problem - Engine Choke Permanently Selected
  • 2-3 Function Problem - Engine Start Permanently Selected
  • 2-3 Function Problem - Jib Down Permanently Selected
  • 2-3 Function Problem - Jib Up And Down Both Selected
  • 2-3 Function Problem - Jib Up Permanently Selected
  • 2-3 Function Problem - Level Down Permanently Selected
  • 2-3 Function Problem - Level Up And Down Both Selected
  • 2-3 Function Problem - Level Up Permanently Selected
  • 2-3 Function Problem - Lift Down Permanently Selected
  • 2-3 Function Problem - Lift Up And Down Both Selected
  • 2-3 Function Problem - Lift Up Permanently Selected
  • 2-3 Function Problem - Outrigger Set And Stow Both Selected
  • 2-3 Function Problem - Outrigger Set Permanently Selected
  • 2-3 Function Problem - Outrigger Stow Permanently Selected
  • 2-3 Function Problem - Swing Left And Right Both Selected
  • 2-3 Function Problem - Swing Left Permanently Selected
  • 2-3 Function Problem - Swing Right Permanently Selected
  • 2-3 Function Problem - Telescope In And Out Both Selected
  • 2-3 Function Problem - Telescope In Permanently Selected
  • 2-3 Function Problem - Telescope Out Permanently Selected
  • 2-5 Drive & O/R Prevented - Operate From Platform
  • 2-5 Drive & O/R Prevented - Place Boom On Rest
  • 2-5 Drive & O/R Prevented - Set Hand Brake
  • 2-5 Drive Prevented - Lift Down
  • 2-5 Drive Prevented - Stow Outriggers
  • 2-5 Drive Prevented - Telescope In
  • 2-5 Lift Down Prevented - Tele In First
  • 2-5 Lift Up & Tele Out Prevented - Tilted & Above Elevation
  • 2-5 Lift Up & Tele Out Prevented - Tilted,Unset,& Above Elevation
  • 2-5 Lift Up & Tele Out Prevented - Unset & Above Elevation
  • 2-5 Lift Up Prevented - Check Outriggers
  • 2-5 Lift Up Prevented - Lift Down Then Set Outriggers
  • 2-5 Lift Up Prevented - Tilted
  • 2-5 Model Changed - Hydraulics Suspended - Cycle EMS
  • 2-5 Outrigger Stow Prevented - Tele In First
  • 2-5 Outriggers Prevented - Elevated
  • 2-5 Tele Out Prevented - Set Outriggers
  • 2-5 Tele Out Prevented - Tilted
  • 3-3 Choke Hold Solenoid Open Circuit
  • 3-3 Choke Hold Solenoid Short To Battery
  • 3-3 Choke Hold Solenoid Short To Ground
  • 3-3 Choke Pull Relay Open Circuit
  • 3-3 Choke Pull Relay Short To Battery
  • 3-3 Choke Pull Relay Short To Ground
  • 3-3 Drive Enable Solenoid Short To Battery
  • 3-3 Drive Enable Solenoid Short To Ground Or Open Circuit
  • 3-3 Drive Left Forward Solenoid Open Circuit
  • 3-3 Drive Left Forward Solenoid Short To Battery
  • 3-3 Drive Left Forward Solenoid Short To Ground
  • 3-3 Drive Left Reverse Solenoid Open Circuit
  • 3-3 Drive Left Reverse Solenoid Short To Battery
  • 3-3 Drive Left Reverse Solenoid Short To Ground
  • 3-3 Drive Right Forward Solenoid Open Circuit
  • 3-3 Drive Right Forward Solenoid Short To Battery
  • 3-3 Drive Right Forward Solenoid Short To Ground
  • 3-3 Drive Right Reverse Solenoid Open Circuit
  • 3-3 Drive Right Reverse Solenoid Short To Battery
  • 3-3 Drive Right Reverse Solenoid Short To Ground
  • 3-3 Dump Solenoid Open Circuit
  • 3-3 Dump Solenoid Short To Battery
  • 3-3 Dump Solenoid Short To Ground
  • 3-3 Extend O/R Solenoid Open Circuit
  • 3-3 Extend O/R Solenoid Short To Battery
  • 3-3 Extend O/R Solenoid Short To Ground
  • 3-3 Front-Left O/R Solenoid Open Circuit
  • 3-3 Front-Left O/R Solenoid Short To Battery
  • 3-3 Front-Left O/R Solenoid Short To Ground
  • 3-3 Front-Right O/R Solenoid Open Circuit
  • 3-3 Front-Right O/R Solenoid Short To Battery
  • 3-3 Front-Right O/R Solenoid Short To Ground
  • 3-3 Ground Alarm Short To Battery
  • 3-3 Ground Alarm Short To Ground
  • 3-3 Hourmeter Short To Battery
  • 3-3 Jib Down Solenoid Open Circuit
  • 3-3 Jib Down Solenoid Short To Battery
  • 3-3 Jib Down Solenoid Short To Ground
  • 3-3 Jib Up Solenoid Open Circuit
  • 3-3 Jib Up Solenoid Short To Battery
  • 3-3 Jib Up Solenoid Short To Ground
  • 3-3 Level Down Solenoid Open Circuit
  • 3-3 Level Down Solenoid Short To Battery
  • 3-3 Level Down Solenoid Short To Ground
  • 3-3 Level Up Solenoid Open Circuit
  • 3-3 Level Up Solenoid Short To Battery
  • 3-3 Level Up Solenoid Short To Ground
  • 3-3 Lift Down Solenoid Open Circuit
  • 3-3 Lift Down Solenoid Short To Battery
  • 3-3 Lift Down Solenoid Short To Ground
  • 3-3 Lift Up Solenoid Open Circuit
  • 3-3 Lift Up Solenoid Short To Battery
  • 3-3 Lift Up Solenoid Short To Ground
  • 3-3 Optional Ground Alarm Short To Battery
  • 3-3 Optional Ground Alarm Short To Ground
  • 3-3 Rear-Left O/R Solenoid Open Circuit
  • 3-3 Rear-Left O/R Solenoid Short To Battery
  • 3-3 Rear-Left O/R Solenoid Short To Ground
  • 3-3 Rear-Right O/R Solenoid Open Circuit
  • 3-3 Rear-Right O/R Solenoid Short To Battery
  • 3-3 Rear-Right O/R Solenoid Short To Ground
  • 3-3 Retract O/R Solenoid Open Circuit
  • 3-3 Retract O/R Solenoid Short To Battery
  • 3-3 Retract O/R Solenoid Short To Ground
  • 3-3 Start Solenoid Open Circuit
  • 3-3 Start Solenoid Short To Battery
  • 3-3 Start Solenoid Short To Ground
  • 3-3 Swing Left Solenoid Open Circuit
  • 3-3 Swing Left Solenoid Short To Battery
  • 3-3 Swing Left Solenoid Short To Ground
  • 3-3 Swing Right Solenoid Open Circuit
  • 3-3 Swing Right Solenoid Short To Battery
  • 3-3 Swing Right Solenoid Short To Ground
  • 3-3 Telescope In Solenoid Open Circuit
  • 3-3 Telescope In Solenoid Short To Battery
  • 3-3 Telescope In Solenoid Short To Ground
  • 3-3 Telescope Out Solenoid Open Circuit
  • 3-3 Telescope Out Solenoid Short To Battery
  • 3-3 Telescope Out Solenoid Short To Ground
  • 3-3 Throttle Hold Solenoid Open Circuit
  • 3-3 Throttle Hold Solenoid Short To Battery
  • 3-3 Throttle Hold Solenoid Short To Ground
  • 3-3 Throttle Pull Relay Open Circuit
  • 3-3 Throttle Pull Relay Short To Battery
  • 3-3 Throttle Pull Relay Short To Ground
  • 4-2 Functions At Cutback - Power Module Current Limit
  • 4-2 Power Module Too Hot - Please Wait
  • 4-3 No Charge System Output
  • 4-4 Battery Voltage Too High - System Shutdown
  • 4-4 Battery Voltage Too Low - System Shutdown
  • 6-6 CANBUS Failure - Accessory Module Communications Lost
  • 6-6 CANBUS Failure - Drive Module
  • 6-6 CANBUS Failure - Platform Module
  • 6-6 CANBUS Failure - Power Module
  • 6-7 Accessory Fault
  • 7-7 Open-Circuit Pump Motor Wiring
  • 8-1 Chassis Tilt Sensor Not Calibrated
  • 9-9 Chassis Tilt Sensor Gain Not Calibrated
  • 9-9 Chassis Tilt Sensor Gain Out Of Range
  • 9-9 EEPROM Failure - Check All Settings
  • 9-9 Functions Locked Out - Constant Data Version Improper
  • 9-9 Functions Locked Out - Platform Module Software Version Improper
  • 9-9 Functions Locked Out - Power Module Software Version Improper
  • 9-9 Ground Module Failure Ref Voltage Out Of Range
  • 9-9 Ground Module Failure Vlow Fet Failure
  • 9-9 Power Module Failure Check Power Circuits Or Mosfet Short Circuit
  • 9-9 Power Module Failure Internal Error

Inside this manual

Real pages from this troubleshooting manual (225 pages). Open the sample pages (PDF, 748 KB)

Sample pages from the JLG T350, T500J Boom Lift Troubleshooting Manual: Specifications, Troubleshooting, Diagram, Color page, Color page, Foldout diagram (color)
  • Specifications, page 30: SECTION 1 - TROUBLESHOOTING BY FUNCTION
  • Troubleshooting, page 129: SECTION 4 - POSSIBLE CAUSES
  • Diagram, page 195: SECTION 8 - HYDRAULIC REFERENCES
  • Color page: SECTION 7 - ELECTRICAL REFERENCE
  • Color page: SECTION 9 - JLG ANALYZER
  • Foldout diagram (color): SECTION 7 - ELECTRICAL REFERENCE

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the T350, T500J are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Troubleshooting Manual 3121203$69.55
Other manuals for the T350, T500J

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Details
Details

This is a service manual

Here's how it compares to the other manual types.

This manual

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 225 pages

Quantity one is the manual described above.

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Other editions and similar models

JLG T350Service Manual · 3121198 · $69.77

Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).