# Temp display rapidly changing well above set temp though water temp below

**URL:** <https://community.anovaculinary.com/t/temp-display-rapidly-changing-well-above-set-temp-though-water-temp-below/25651>\
**Category:** Anova Support\
**Created:** [April 13, 2020, 5:56pm UTC](https://community.anovaculinary.com/t/temp-display-rapidly-changing-well-above-set-temp-though-water-temp-below/25651 "2020-04-13T17:56:31Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![TxBrewer](https://avatars.discourse-cdn.com/v4/letter/t/c57346/32.png) [@TxBrewer](https://community.anovaculinary.com/u/TxBrewer)\
**Post date:** [April 13, 2020, 5:56pm UTC](https://community.anovaculinary.com/t/temp-display-rapidly-changing-well-above-set-temp-though-water-temp-below/25651/1 "2020-04-13T17:56:31Z")

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Never really had a problem with my unit till yesterday, I set my unit for 165 and let it get up to temp, as usual I tested with a instant read thermometer and it was within a degree. About an hour in it started giving off the “reached temp beep” every few minutes when I checked the temp display it was reading 174.2 and over the next 20 seconds got up to 186.7. I checked water temp both with my instant read as well as an IR thermometer and the water temp had dropped to 155.

Any ideas?

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**Author:** ![chatnoir](https://avatars.discourse-cdn.com/v4/letter/c/ecd19e/32.png) [@chatnoir](https://community.anovaculinary.com/u/chatnoir)\
**Post date:** [April 13, 2020, 6:04pm UTC](https://community.anovaculinary.com/t/temp-display-rapidly-changing-well-above-set-temp-though-water-temp-below/25651/2 "2020-04-13T18:04:51Z")

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Tex, best to contact SUPPORT for assistance.

Your symptoms of a faulty temperature sensor can be caused by humidity getting into the controls. Ask the experts for help.

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**Author:** ![TxBrewer](https://avatars.discourse-cdn.com/v4/letter/t/c57346/32.png) [@TxBrewer](https://community.anovaculinary.com/u/TxBrewer)\
**Post date:** [April 13, 2020, 6:26pm UTC](https://community.anovaculinary.com/t/temp-display-rapidly-changing-well-above-set-temp-though-water-temp-below/25651/3 "2020-04-13T18:26:32Z")

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Thanks, ya I opened a support case via email but figured it wouldn’t hurt to ask here as well in case someone else has seen a similar issue.

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**Author:** ![chatnoir](https://avatars.discourse-cdn.com/v4/letter/c/ecd19e/32.png) [@chatnoir](https://community.anovaculinary.com/u/chatnoir)\
**Post date:** [April 13, 2020, 7:29pm UTC](https://community.anovaculinary.com/t/temp-display-rapidly-changing-well-above-set-temp-though-water-temp-below/25651/4 "2020-04-13T19:29:07Z")

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It’s not an uncommon occurrence, particularly at higher water temperatures without shielding the head of the machine from rising water vapour.

I hope you have a satisfactory resolution to the problem.

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**Author:** ![Antoine\_De\_Montalant](https://sea2.discourse-cdn.com/flex016/user_avatar/community.anovaculinary.com/antoine_de_montalant/32/6813_2.png) [@Antoine\_De\_Montalant](https://community.anovaculinary.com/u/Antoine_De_Montalant)\
**Post date:** [October 15, 2020, 11:35pm UTC](https://community.anovaculinary.com/t/temp-display-rapidly-changing-well-above-set-temp-though-water-temp-below/25651/5 "2020-10-15T23:35:25Z")

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What’s considered a “higher water temp”? My wand is two or three years old now, and suddenly I can’t get it to hold at 130°F. It climbs to 137 or 138, or drops to 126/127. No matter what I set it to it seems to overshoot by several degrees. For lamb or beef these differences accumulate. Have I just worn out my device?