Allen Bradley SLC Controller Error Codes Major Faults/Errors can be classified as: Non-user - a fault caused by various conditions that cease ladder program execution. The user-fault routine is not run when this fault occurs. Non-recoverable - a fault caused by the user that cannot be recovered from. The user-fault routine is run when this fault occurs. However, the fault cannot be cleared. Recoverable - a fault caused by the user that can be recovered from in the user-fault routine by resetting major error halted bit (S:1/13). The user-fault routine is run when this fault occurs. If you are looking for the explanation of an error that does not appear in this table, it is probably an I/O error. Refer to either method listed next to clear faults) Clearing Major Errors (via status display) Clearing Faults (via menu selection) Code (Hex) Description 0001 NVRAM (non-volatile memory) error occurred. This non-user error occurs...