Recover the IMx-M so it can be updated with new configurations

Summary

If the PIN for the PRM module is lost, you won't be able to update the configuration.
The PRM module can be protected by a PIN preventing the module to be disarmed for configuration updates. This article gives step by step instructions on how to recover the IMx-M so it can be updated with new configurations.

Solution

1. Update the configuration or create a new with a known PIN in the IMx-M Manager.
2. Physically disarm the PRM module by bridging the disarm points for the module at the back of the IMx-M using a short wire.
   
   
3. Connect the computer to the IMx-M USB port and connect to the PRM Serial interface using the IMx-M.
4. Issue the command ver
   
   
   
   
5. Look for the Serial No (SNum) and the configuration CRC (u32Crc32Cfg). Both are eight hex characters long. 
6. Use the IMx-M Password Recovery Tool to create a Temporary Protection Module Emergency Access Password from the Serial Number and Configuration CRC.
   TSG (Technical support group) can provide the Serial number and Configuration CRC.
7. Send a new PRM configuration to the device.
8. When asked for a PIN, enter the Temporary Access Password.

Contacting SKF Technical Support Group

For further assistance please open a support case using the Technical Support group's self-help portal at www.skf.com/cm/tsg. Once your support case is submitted, a technician will contact you to begin working on your issue. For urgent issues we are available at these times by phone:

• Monday through Friday, 5:00 a.m. to 4 p.m. Pacific Time -
  Phone: [phone] within the US or [phone] outside the US.
• Monday through Friday, 8:00 a.m. to 4:00 p.m. Central European Time -
  Phone: [phone].
• Monday through Friday, 7:30 a.m. to 4:30 p.m. India Standard Time -
  Phone: [phone].