RAM ERROR

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The program memory in the CPU module is faulty. This error is detected during a STOP to RUN transition or when an END instruction is executed, indicating an issue with the stored program logic.

Klikk på steg for å spore fremgangen.

1. 1

   Check the battery to see if it is dead or not. If dead, replace the battery.

2. 2

   Take noise reduction measures.

3. 3

   Format the program memory, write all files to the PLC, then reset the CPU module and RUN it again. If the same error is displayed again, this suggests a CPU module hardware fault.