0 votes
by (380 points)

Since today, I got   "  Error connecting to the server HTTP  CODE -1" on refresh on all of my 2.9" ESPaper.

Any hints?

by (19.9k points)
The data we see in logs is inconclusive. The server itself is running fine.

It looks a bit odd that you have three devices named Casier 02, 03, 04 that were all last seen by our server on 2021-08-05 16:53:49 i.e. that's when they last fetched a screen update.  I don't know what to make of this. Does that by any chance ring a bell?

You could try to deleting those devices on espaper.com and re-registering them. However, I also noticed that they seem to be running a really old version of the device firmware (before we added the over-the-air update feature).

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