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JLG X550AJ-X19J - User Manual

JLG X550AJ-X19J
107 pages
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Supplement Manual
Models
X390AJ-X14J
X550AJ-X19J
X700AJ-X23J
X370AJ-X13JP
X430AJ-X15JP
X500AJ-X17JP
X600AJ-X20JP
X770AJ-X26JP
X1000AJ-X33JP
*See inside cover for serial break
information
31215460
October 14, 2019
Go to Discount-Equipment.com to order your parts

Table of Contents

Questions and Answers

  • L
    Lisa DunnAug 17, 2025
    What to do if my JLG Boom Lifts battery charger shows error code 252 (short-circuit in output)?
    • J
      Jason ChristianAug 17, 2025
      If the battery charger displays error code 252, indicating a short-circuit in the battery charger output, turn off the battery charger and resolve the short-circuit at the output.
  • S
    Stephanie ValenciaAug 20, 2025
    What to do if my JLG X550AJ-X19J battery charger shows error code 244 because the mains voltage is too low?
    • D
      drobinsonAug 20, 2025
      If the battery charger shows error code 244, indicating that the mains voltage is lower than the maximum operating range tolerance, make sure the mains voltage is within the correct operating parameters. The battery charger won’t start charging until the mains voltage returns within the normal operating range.
  • J
    Jacob SimsAug 22, 2025
    What to do if my JLG Boom Lifts battery charger shows error code 240 because digital input is open?
    • T
      Thomas KlineAug 23, 2025
      If the battery charger displays error code 240, indicating that the digital input is open, the battery charger will stop charging until the digital input closes. Close the digital input to resolve this issue.
  • X
    xrodriguezAug 26, 2025
    What to do if JLG X550AJ-X19J show Inverter Error Code 8 - Watch Dog?
    • P
      pkellerAug 26, 2025
      If the JLG Boom Lifts shows Inverter Error Code 8 - Watch Dog, check the control connections and continuity of the electric motor. If they are OK, replace the inverter, because the inverter is not able to activate or turn off the electric motor.
  • J
    Joseph WilkersonAug 28, 2025
    What to do if JLG Boom Lifts show Inverter Error Code 19 - Logic failure #1?
    • M
      Michelle RileyAug 28, 2025
      If JLG Boom Lifts shows Inverter Error Code 19 - Logic failure #1, it is usually a temporary anomaly due to a working condition, caused by an overvoltage or a sudden voltage drop. However, if the anomaly persists, replace the inverter.
  • W
    wolfalexanderAug 30, 2025
    What to do if JLG X550AJ-X19J Boom Lifts show Inverter Error Code 16 - Aux output KO?
    • P
      Peter TurnerAug 30, 2025
      If JLG Boom Lifts shows Inverter Error Code 16 - Aux output KO, it is usually a temporary anomaly due to a working condition, caused by electromechanical brake problem. In case the anomaly persists replace the inverter.
  • E
    Elaine DudleySep 2, 2025
    What to do if JLG X550AJ-X19J show Inverter Error Code 8 - Flash Checksum?
    • A
      Alexis HahnSep 2, 2025
      If JLG Boom Lifts shows Inverter Error Code 8 - Flash Checksum, replace the inverter, because the software is corrupted or the inverter is damaged.
  • M
    mariesmithSep 5, 2025
    What to do if JLG X550AJ-X19J show Inverter Error Code 13 - Eeprom KO?
    • M
      Meghan CordovaSep 5, 2025
      If JLG Boom Lifts shows Inverter Error Code 13 - Eeprom KO, replace the inverter, because there is a hardware or software problem in Eeprom.
  • T
    Tara PhillipsSep 8, 2025
    What to do if JLG X550AJ-X19J Boom Lifts show Inverter Error Code 18 - Logic failure #2?
    • W
      William IbarraSep 8, 2025
      If JLG Boom Lifts shows Inverter Error Code 18 - Logic failure #2, replace the inverter, because there is a fault in the inverter.
  • S
    Stephanie ArmstrongSep 12, 2025
    What causes BMS fault code 02 - Unexpected Voltage in JLG X550AJ-X19J Boom Lifts?
    • D
      danielle98Sep 12, 2025
      BMS fault code 02, "Unexpected Voltage," in JLG Boom Lifts is caused by the BMS failing to identify one cell or being unable to connect it to the discharging resistance. When one cell reaches 3650 mV, the BMS will disconnect the lithium pack, triggering this error.

Summary

Section A. Introduction - Maintenance Safety Precautions

General Safety Precautions

Outlines essential safety instructions and precautions for handling lithium-ion battery systems.

Section 1. Specifications

Capacities and Cell Features

Details lithium system models, battery pack configurations, and individual cell specifications.

Section 2. Service Procedure

12 V DC Power Distribution

Explains the 12V power system, its components, and function with lithium-ion battery packs.

Battery Management System (BMS)

Details BMS functions, generations, and connectors for different battery systems.

Lithium Ion Battery Pack Charger

Describes the battery charger's role, connection, and indicators for charging status.

Cooling and Heater Systems

Explains the battery pack's cooling and heater systems, including fan operation and temperature management.

Electric Motor and Components

Details the electric motor, its sensors, and related components like inverters and contactors.

Emergency Motor Override

Provides a procedure for overriding the electric motor in emergency situations with safety warnings.

Section 3. Troubleshooting and Fault Codes

Fault Codes and Diagnostics

Explains how to interpret fault codes for BMS, Inverter, and Battery Charger using the remote control and RamHino.

Battery System Troubleshooting (1 st & 2 nd Gen)

Offers troubleshooting steps for common 48V and 72V battery pack issues, focusing on power and charging.

RamHino Diagnostic Tool

Guides users on using the RamHino application for diagnosing lithium battery pack status and parameters.

JLG X550AJ-X19J Specifications

General IconGeneral
Weight15, 400 lb
Power SourceDiesel
Gradeability - 4WD45%
Engine TypeDiesel
Engine Power24.8 hp
OutriggersYes
Lift Capacity500 lb
Ground Clearance12 in
Platform Dimensions6 ft x 2 ft 6 in

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