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Trackunit TU501-4 - User Manual

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NOTE: Former model ID was ME501-x (2G/3G). Model ID changed in 2017 to TU501-x (2G/3G)
Short guide : TU501-x
Version 4.2, May 2019

Questions and Answers

  • L
    Lindsay MooreAug 9, 2025
    Why is my Trackunit GPS counting operating hours when the machine is off?
    • L
      Lisa Morton MDAug 9, 2025
      This may be happening because the main breaker is on the negative wire (ground wire from the machine battery). When off, the inputs may register a voltage level and start counting operating hours. To avoid this situation, connect the digital input 4 (pink wire) to the chassis/ground on the machine.
  • A
    Andrea BakerAug 14, 2025
    What to do if there is a constant red light in the Trackunit GPS LED?
    • H
      Hannah FosterAug 15, 2025
      Verify the location of the unit. Also, move the machine or vehicle for a better GSM signal.
  • D
    David PriceAug 21, 2025
    What to do if the Trackunit GPS doesn't reply to SMS command?
    • R
      Rachel RoseAug 21, 2025
      Verify the correct GSM number. Check the LED status (see page 6).
  • K
    Kathleen PerezAug 27, 2025
    What to do if there is no green light in the Trackunit GPS LED?
    • A
      Amanda FergusonAug 27, 2025
      Verify the location of the unit. Move the machine or vehicle for better GPS reception.
  • E
    Elizabeth WebbSep 1, 2025
    What to do if there is no light in the Trackunit GPS LED?
    • Y
      ysalazarSep 1, 2025
      Check if the red and blue wires are installed correctly or if the fuse is blown.

Summary

Practical Advice

Installation is best done outside

Install the unit outdoors for optimal GPS and GSM/UMTS signal reception.

Machine and vehicle guidelines for correct wiring

Functionality check: LED on the unit

Installation check and update using “Verify my Trackunit”

Step 1: Login

Log in to the Verify Trackunit portal using your username and password.

Step 2: Find unit

Enter the unit's serial number and click 'Find' to locate it.

Step 3: Review status

Check various parameters like signal, voltage, and input/output status.

Step 4: Basic configuration options

Set up device name, engine hours, start distance, category, and groups.

Step 5: Logout

Click 'Update' to save changes and then 'Logout'.

Input filtering (INFILT)

CAN bus termination resistor

Troubleshooting

Product specifications

Temperature range

Mechanical specifications

Regulatory information and precautions

Approvals and Certifications

PTCRB certification for interoperability with mobile networks

Trackunit TU501-4 Specifications

General IconGeneral
BrandTrackunit
ModelTU501-4
CategoryGPS
LanguageEnglish

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