Blynk causes Photon Analog input to switch to low impedance

Running a very simple program on Particle Photon - below.

Using an Analog input A0 to display a gauge on Blynk, the code runs great about 1/2 hour, then for no reason I can find the Analog input on the Particle goes low impedance (like a it was switched to a Digital output and sent low). This is verified with a DMM. So the analog readings are very low after this event. A reset of the Particle board usually fixes this for a few minutes, not always. Other programs on the Particle without Blynk work fine - Tinker for example

Using Blynk library 0.3.8, Particle Photon using 0.5.2

// This #include statement was automatically added by the Particle IDE.
#include "blynk/blynk.h"

char auth[] = "771825b75e0c4177874595*******";

void setup()

void loop()


This might be better suited for the blynk forum?

Yes, I tried there first, no response.
Good news it appears to be working OK today, like they fixed something or reset something Monday AM