Omron · CJ-series CJ2 CPU Unit
An error has occurred in a Basic I/O Unit, indicated by A402.12 and A408. This suggests a potential hardware issue or component failure within the unit, such as a blown fuse, leading to a loss of I/O functionality.
Click steps to track your progress.
Inspect the Basic I/O Unit indicated by A408 for visible damage or blown fuses.
Replace any blown fuses in the Basic I/O Unit.