1/17/2018 5:15 AM | |
Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (877) |
Hello maka_w32, From the 840D NCU LED status, it is clear that PLC is in STOP mode, may be because of watchdog error. You need to check the reason on line by connecting Simatic manager. If you don't have it go to diagnosis screen & check the alarm messages/numbers displayed if any. Since PLC is in STOP mode, RED LED on other cards are flashing. HTH. |
Follow us on