I assumed he was still around since Sloor asked him another question and the droid had not responded yet.You may have missed this bit, Perrin (emphasis mine):
"Yes," the droid states as he sees the frozen humans for the first time. "That is not something that I was aware of." He gives a slight shrug motion before leaving.
Get well soon, Perrin! Hope for all our sakes that it's just one of those 24h things.
OOC: Sorry, sick in bed today