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Contents.FX2NC Series Programmable Controllers
7. Diagnostics..........................................................................................7-1
7.1 Preliminary checks........................................................................................... 7-1
7.2 Basic diagnostics ............................................................................................. 7-2
7.2.1 BATT LED ON..................................................................................................... 7-2
7.2.2 ERROR LED flashes (PROGRAM ERROR) ....................................................... 7-2
7.2.3 ERROR LED ON (CPU ERROR) ........................................................................ 7-3
7.3 Common errors ................................................................................................ 7-4
7.4 Writing of program and program check [power ON and PLC stopped]............ 7-5
7.5 Replacing the battery ....................................................................................... 7-6
7.6 Maintenance .................................................................................................... 7-8
7.7 Error flags ON indicates error. ......................................................................... 7-9
7.8 Error registers ................................................................................................ 7-11
7.9 Error codes .................................................................................................... 7-13
7.10 Instruction list ................................................................................................. 7-14
8. Discontinued model.............................................................................8-1
9. Appendix .............................................................................................9-1
9.1 Precautions for Battery Transportation ............................................................ 9-1
9.1.1 Regulated FX
2NC
Series products...................................................................... 9-1
9.1.2 Transport guidelines............................................................................................ 9-1
9.2 Handling of Batteries and Devices with Built-in Batteries in
EU Member States........................................................................................... 9-2
9.2.1 Disposal precautions........................................................................................... 9-2
9.2.2 Exportation precautions....................................................................................... 9-3
9.2.3 Regulated FX
2NC
Series products...................................................................... 9-4