No notification of sprinkler controller being offline?!

I have been using the sprinkler controller for the past few weeks and have been very happy with it. Yesterday, I ran the App Quick Run feature (on an iPhone) on one of my zones and all seemed to be normal on the app. But, I didn’t hear water running through the system, I tried other zones and no water. I checked the controller and it was offline. (Our wifi access point went down momentarily.) What is troubling me is that the app didn’t notify me that the controller was offline when I ran the App Quick Run. There was no error message saying the quick run didn’t work. It showed up in the history and calendar as having run.

Is that possible?