00986 Digital Refrigerator/Freezer Thermometer Problem

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  • Updated 2 years ago
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Just purchased this product. Set everything up, sensor 1 in the fridge and sensor 2 in the freezer, monitor on the door. Both sensors are displayed on the monitor, #1 at 38F and #2 at -6F. To test, I took the batteries out of both sensors. But the monitor continues to show the fridge at 38F and the freezer at -6F. It's been 2 hours since I removed the sensor batteries. Shouldn't the monitor show E or --- if the sensor stops transmitting data? If the sensor dies, then the freezer dies, how would I know if the temperature rises if the monitor continuously displays the last transmitted data?
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Tim C

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Posted 2 years ago

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AcuRite Jennifer

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Hello Tim,

It sounds like when the sensors lost communication to the display, the last known temperature got stuck on the display. You can clear this out by removing the batteries from the display as well. Typically when the sensors lose connection to the display, the display will show dashes. I would recommend reconnecting them with the steps below:

  1. Bring all 3 units together, side-by-side.
  2. Remove all batteries from all 3 units.
  3. Reinstall batteries into main unit first.
  4. Reinstall batteries into sensor #1.
  5. Reinstall batteries into sensor #2.
  6. The main unit should read temperatures from both sensors almost instantly.
Please let us know if we can further assist you. Thank you. Have a great day!
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Ken Lesniak

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I'm having a similar problem.  My display went blank so I put new name brand batteries it and then did a hard reset.  Everything seemed ok, but when a put the sensors in the freezer / frig. the temperatures didn't change.  I'm on my third hard reset and it seems to be doing the same thing.  
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AcuRite Rachell, Employee

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Hello Ken,
When did you purchase this unit?  Inside the battery compartment of the sensor you will see a small white sticker with a four digit number, can we have this number please?  Thank you and have a great day!
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Bernard Ferraro

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3515
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AcuRite Rachell, Employee

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Hello Bernard,

How may we assist you? Do you have this same issue? Same model? We would be happy to help but we need more information please.  Thank you and have a great day!
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Tim C

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Jennifer, thanks for the reply. I decided to repeat the test using your advice above, and new lithium batteries. The monitor shows sensors 1 and 2 at room temperature. I placed sensor 1 in the top of my freezer, and sensor 2 in the bottom of my freezer. I let them sit for 1 hour and the temps displayed on the monitor correctly shows the freezer temp. The MAX and MIN displayed is correct. I let them sit for 2 hours and the temps displayed dropped about 2 degrees F. I assume due to the temp normalizing.
I then quickly removed the batteries from sensor 2, stored it in my office and let everything sit overnite.
The monitor today shows sensor 1 at -7F and sensor 2 at -10F.
Sensor 2 is sitting on my desk with the batteries out. My office does not feel like -10F. I'd say its more like 73F.
It appears if the sensor syncs correctly with the monitor and then fails, the monitor will display indefinitely (10s of hours or days? weeks?) the last data received from the sensor, with no indication of sensor failure (E or - - - ). Not good for a device monitoring perishable items.
Can you check and find out if my observations are incorrect? Did I get a bad unit? Otherwise I'll be returning this and go with the low tech mechanical or liquid style thermometers inside the fridge/freezer.
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AcuRite Jennifer

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Hi Tim,

We have sent you an email to the address we have on file to request further information. When using the lithium batteries, we do recommend the Advanced lithium, and not the Ultimate lithium as these are considered heavy duty, and can cause connection issues, and temperature inaccuracies.  Please check your email inbox.  Thank you. Have a great day!
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Bernard Ferraro

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TAKE ME OFF YOUR MAILING  LIST .YOUR PRODUCTS ARE CRAP AND YOUR HELP IS THE WORST.
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AcuRite Rachell, Employee

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Hello Bernard,
We are very sorry you feel this way. You can unsubscribe from any email sent to you.  We would be happy to assist you with any issue you are having. We did reply to you above on this same thread.  Did you need assistance?  Thank you.
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Ken Lesniak

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I still like AcuRite products.  I just went a different way.  I still have other products that are great.  This one just wasn't working best for me.  
I will still buy your products and recommend them where I think they will do the job.
Thanks for all the help.
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AcuRite Jennifer

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Hello Ken,

Thank you for the feedback regarding your thermometer. We appreciate that. We are happy to hear that you are still wiling to use our products. Please let us know if there is anything we can do to further assist you.

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