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Geddy Yes, I have opened a support ticket.

apostolakisl Sorry for the delay. I had to search for an extra device and the instructions about how to put it in link mode. Finally found both but apparently the device is bad since it would not go into linking mode. I think you are right about the PLM being bad. It is over 5 years old and is the old serial version with the USB conversion cable. Thanks for all your help. I'm slowly learning how everything works. Harvey

The eisy is less than a year old. I had a problem with the eisy about a month ago and sent it back to UD who reflashed the eisy. The 5.9.1 was the result of running an update. Program Details Tab.pdf

Thanks for the explanation. I only have about 20 devices and the 115 count was from a PLM Link Table. I tried running a Device Links Table and as you expected I got an error 'Failed writing device link Device Links Error.pdf

I used the word Programs because that was the title of the 2nd tab in Admin Console. Firmware and UI are identical @. IoX v 5.9.1 Tried another IoX restore, no change. Insteon is checked on the Configuration tab. Harvey

It is the same PLM with the special cable from UD.

I am operating on a MacBook Pro on Sequoia 15.2 OS The attached screenshot shows data about my setup. Also, UD Mobile shows my Home as being online. IoX Launcher opens a usable Admin Console. ISP Portal is online with a Green colored Botton. PLM shows connected and there are 115 links. I have tried migrating four of my old Backup files with the same result. Program name and programming all transfer. But the programs will not run due to an error ' Cannot Communicate' upon opening the Admin Console and a 'Red !' appears on each program showing in the Main tab of the Admin Console. I have tried to Restore IoX and Restore PLM. I have tried 'Restore Device' for each of the programs and selected the 'Write Updates to Device'. None of these have worked. What should I try Next? Harvey

I updated the ISY from a backup from about a month ago. (Figured any thing newer might also be defective). I then used 'Restore Devices' which ran very slowly for the first 10% on the bar chart then completed quickly. My PLM now shows 28 items in the PLM Links Table which is an improvement. Looks like it is fixed but I will wait until tonight when my sunset based programs should execute. Thanks for the help.

To my knowledge I have not issued the Delete Modem (PLM) option. I will go to a previous ISY backup and try to do a Restore Modem (PLM) Thanks

Done, the popup list of devices shows all of my devices and each device has a list of links. Yes, I have several ISY backups.

OK, thanks for that info. I have plugged in the PLM and the ISY in that order and am still having a problem. If I go to 'Show PLM Links Table' and click on Count the number shown is '0'. When I attempt to 'Restore Modem (PLM)' the dialog box comes up and closes within two seconds. I attempted to reset the PLM by holding down the set key for 10 seconds and it did not help. What else can I try?

I purchased a new PLM 2413S about a month ago and have been experiencing problems with programs not running for turning my devices on and off. I had previously done a PLM restore which did not seem to have much of an effect. Today I unplugged both the ISY994i and the PLM. After 15 minutes I plugged the ISY in and 15 minutes later the PLM. When I opened up the Administrative Console, I was in safe mode so I tried a PLM restore. I got the following message: "Failed resetting the PLM [-200000/-30]" I then rebooted the ISY and the PLM Restore seems to have run. Do I have a defective PLM or is there some other diagnostic method I can try to return my system to working?