Long shot, but does anyone happen to know what error code 72 might be on an EtherLite 160?
The following page doesn't list that code:
https://www.digi.com/support/knowledge-base/etherlite-led-indicator-information
Upon power up, the ON LED comes on for 1s, then off for 2 seconds, then repeats the flash code 7x-pause-2x.