Temperature reading wildly off

So I set the mine to 175 degrees and set it off. An hour later I noticed the temperature display is at almost 200 (!). The strange this is when I touched the water, it only feels lukewarm. My own themometre says 100 degrees.

I know it worked before, because I tried cooking some eggs at 160 and it definitely felt pretty hot. The difference seems too big to be a calibration issue anyway.

Has anyone else experienced this? Are there guidelines on how to debug this?

@semaphore‌ That does not sound right, probably a faulty unit - please fill out our returns form - http://anovaculinary.com/pages/returns - and we will replace your system ASAP. Thank you so much for your understanding.

Same thing happened to my unit after a few hours of use. Have been trying for 3 weeks to get a return processed!

@pjkeithley‌ Checking into your return now - will have news at the soonest !

@pjkeithley‌ My associate confirmed you were issued a return label. Thank you.