Troubleshooting - Mitsubishi Electric MELSEC-Q Series User Manual

Chapter 12 TROUBLESHOOTING
12.1 Before Troubleshooting .............................................................................................. 12- 2
12.2 Troubleshooting Procedure ........................................................................................ 12- 2
12.3 Checking the LEDs ..................................................................................................... 12- 7
12.4 Troubleshooting by Symptom .................................................................................... 12- 9
12.4.1 Cyclic transmission cannot be performed .................................................... 12- 9
12.4.2 Transient transmission cannot be performed .............................................. 12-10
12.4.3 Station is disconnected from the network .................................................... 12-10
12.4.4 Station is repeatedly disconnected and reconnected .................................. 12-10
12.4.5 Communication is unstable .......................................................................... 12-10
12.5 Error Code List (D000H to DFFFH) ........................................................................... 12-11
12.6 Checking the Status by System Monitor ................................................................... 12-25
Chapter 12 TROUBLESHOOTING
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