Mitsubishi Electric MELSEC-Q Series User Manual page 14

7.4 Precautions for Online Module Change .................................................................................................. 7-14
7.4.1 Precautions before module change .................................................................................................. 7-14
7.4.2 Precautions after module change ..................................................................................................... 7-16
7.4.3 Precautions depending on parameter setting method ..................................................................... 7-17
8 TROUBLESHOOTING
8.1 Error Codes .............................................................................................................................................. 8- 1
8.2 Processing Performed by the Q62HLC at Error Occurrence ................................................................. 8- 4
8.3 When the RUN LED Flashes or Turns Off .............................................................................................. 8- 5
8.4 When the ERR. LED Turns On or Flashes ............................................................................................. 8- 5
8.5 When the ALM LED Turns On or Flashes .............................................................................................. 8- 6
8.6 When Watchdog Timer Error Flag (Xn0) Is On ....................................................................................... 8- 6
8.7 When Error Flag (Xn2) Is On ................................................................................................................... 8- 6
8.8 When Module Ready Flag (Xn3) Does Not Turn On .............................................................................. 8- 7
8.9 When FeRAM Write Failure Flag (XnA) Is On ........................................................................................ 8- 7
8.10 When Auto Tuning Does Not Start
(When Auto Tuning Status Flag (Xn4, Xn5) Does Not Turn On)........................................................... 8- 7
8.11 When Auto Tuning Does Not Complete
(When Auto Tuning Status Flag (Xn4, Xn5) Remains to Be On and Does Not Turn Off) .................... 8- 7
8.12 When Alert Flag (XnC and XnD) is On.................................................................................................. 8- 8
8.13 Checking the Q62HLC Status by System Monitor of GX Developer ................................................... 8- 9
APPENDICES
Appendix 1 External Dimensions ...................................................................................................... Appendix- 1
Appendix 2 New Functions of the Q62HLC ..................................................................................... Appendix- 2
INDEX
A - 12
8- 1 to 8-10
Appendix- 1 to Appendix- 3
Index- 1 to Index- 3
A - 12