2014/06/06 Caterpillar

Caterpillar Products:

All Machines

Service Magazine SEPD1794-00, 06 June 2014, "Troubleshooting SIM Cards on Certain Product Link 522 and 523 for all Cat Products ". Disregard the information in the article that is listed above. Refer to the information in the following article.

Prior to taking any actions, check with the Product Link admins to identify if the Product Link PL 522 device is subscribed and viewable in VisionLink

If the device is not viewable, follow the instructions titled "Activating the System" located within Special Instruction, REHS2368, "Installation Procedure for Product Link PL522/523 (Cellular)". If the device is viewable but not reporting data, follow the steps below.

Illustration 1	g03678341

When the Product Link PL 522 device displays the symptoms the following list, or is similar to screen shot shown in Illustration 1, then the SIM Card or contacts have been corrupted is indicated:

• Cellular Signal

• No SIM Card Number

• SIM Card Status "Not Ready"

• International Mobile Equipment Identity Number

Replace the PL 522 device.

Illustration 2	g03678346

If the Product Link PL 522 device displays the symptoms in the following list, or is similar to the symptoms shown in the Illustration 2 from Cat ^R Electronic Technician (ET), then a potential modem issue is indicated:

• No Cell Signal

• No SIM Card Number

• SIM Card Status "Not Ready"

• International Mobile Equipment Identity Number

Replace the PL 522 device.