I have faced quite annoying problem trying to run S3-M91A control box for IRB2000.
Robot origin is unknown, so I do not know if it worked at all in this configuration (hope it did
Self check does not pass, pendant says "PROG UNIT COMMUNICATION FAULT", also red led is lit on DSQC230.
I did some workaround, but no results.
1) Signal wires are 100% ok.
2) 24 Volts to pendant is ok.
3) Differential signals are present on RS-422. I can see DSQC packet to Pendant, and Pendant's reply to DSQC.
One man told me that they had similar problem on S4, and system restore (from floppies) helped.
I have attached floppy photo- is it system floppy? How to perform system restore?
Anybody had similar situation?
Would be grateful for any ideas.