plc mitsubishi types: CPU A273 being errors

[letranlong]

dear everybody again
I Have a question for your, please. can you help me
I have a machine it's use plc mitsubishi to control for machine runing, now plc of me it's plc being errors, but I don't know plc being errors what.
I want question you plc types this, it's use. what is software ? fix upload and download or edit plc program for plc
please, help me
can you give for me a links?? fix me can download software use for plc mitsubishi types: CPU 273
what is software use for types plc CPU A273 ???
thank you very much
have a nice day
https://www.youtube.com/watch?v=4VL2sTWmOdw