NVRAM/MEMORY MODULE USER PROGRAM MISMATCH

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Status bit S:2/9 is set in the controller, indicating that the user program stored in the non-volatile RAM (NVRAM) or memory module does not match the user program currently loaded and executing in the controller. This is a nonrecoverable fault.

• User program on the memory module is different from the controller's active program.
• Memory module was replaced or modified without updating the controller's loaded program.
• Program download to controller did not update the memory module, or vice-versa.

Klikk på steg for å spore fremgangen.

1. 1

   Transfer the user program from the memory module to the controller using the programming software.

2. 2

   Change the controller to Run mode after the program transfer is complete.

3. 3

   Verify bit S:2/9 is correctly handled in the system logic if it's intentionally set.