Troubleshooting: BlueDOT

Here are answers to the most common technical support questions about BlueDOT.


How do I set up my BlueDOT?

To set up your BlueDOT, download the free ThermoWorks BBQ app from either the iTunes App Store or the Google Play Store. Install and open the app on your smartphone or tablet and follow the onscreen instructions to add your new BlueDOT to the app.

Additional information can be found in the ThermoWorks BBQ app online help file, located here.

Note: You can pair up to 6 BlueDOTs to a single mobile device.


Why do I have to create a ThermoWorks BBQ app account to use my BlueDOT with my phone?

In order to use BlueDOT with your phone or tablet, you must create a ThermoWorks BBQ app account. This will allow the app to know where to save graphing data on your phone or tablet. Once you log out of your ThermoWorks BBQ account, all graphing data is removed.

Exporting your graphs: While you are still logged into your account, you may export current graphs to a file you may email to yourself or save to a drive you can access later. Exported graphs are saved as .csv files and can be opened in any spreadsheet program, such as Excel, Google Sheets, or Numbers.

Un-exported graphs from the ThermoWorks BBQ app are removed as soon as you log out of the app.

Learn how to export graphs.

How do I set up BlueDOT’s alarms?

BlueDOT includes both High and Low alarms. Both alarms sound on the thermometer and on the mobile device.

  • The High Alarm can be set in two ways:
    • On the BlueDOT thermometer
    • In the mobile app
  • The Low Alarm is only settable in the mobile app.

Important: The Low Alarm may not be set to a temperature higher than the High Alarm, even if the Low Alarm is turned off . The High Alarm must be set at least 5° above the Low Alarm.

How far away can I take my mobile device from BlueDOT to get a reading?

BlueDOT will communicate with your mobile device up to 95 feet line-of-sight unless other factors are involved.

  • Devices that use 2.4GHz radio frequencies (microwave ovens, cordless phones, remote controls, etc.) may create interference.
  • The Bluetooth signal may be interrupted by walls and building materials, such as tinting on windows.

The ThermoWorks BBQ app is not able to “see” my BlueDOT. What should I do?

Please make sure that GPS/Location services is enabled on your phone or tablet. If you disable GPS/Location services, some phones or tablets will prevent BlueDOT and the ThermoWorks BBQ app from communicating, even if you have the location permission enabled for the app.

My BlueDOT is having connectivity issues and the range seems short. What can I try?

Here is a list of troubleshooting steps you can try.

1. Are your devices compatible? Make sure you are running the most recent version of your phone/tablet’s operating system.

2. Are both devices fully charged? Bluetooth is notorious for affecting battery life and full batteries increase the odds of success.

3. Remove potential sources of interference. Interference can come from a variety of devices, some of which don’t transmit anything. Common sources of interference include a high concentration of Wi-Fi signals, USB 3.0 ports, laptops, microwaves, wireless video cameras, cordless phones, microwave ovens, fluorescent lights, power cables, Direct Satellite Service (DSS), baby monitors, electrical equipment emitting strong RFs (power lines, power stations, and electrical railroad tracks), and other devices that use 2.4 GHz or Bluetooth technology.

4. Turn BlueDOT and your phone/tablet off and back on again.

5. Switch off your phone/tablet’s Bluetooth, wait for 10 seconds, and switch it on again.

6. Remove BlueDOT from your phone/tablet and let it be discovered again.

7. Turn off other Bluetooth devices from the area or disable their Bluetooth functionality.

8. Look at the obstacles that create interference. (Direct line-of-sight is the biggest factor in Bluetooth device performance.)

Apple rates the following obstacles according to their level of interference.

  • Low interference potential: wood, glass, and many synthetic materials
  • Medium interference potential: water, bricks, marble
  • High interference potential: plaster, concrete, bulletproof glass
  • Very high interference potential: metal

9. Try removing other Bluetooth connections from your phone/tablet, such as speakers.

10. Try removing your phone/tablet’s Bluetooth cache, which can get corrupted over a period of time. This resets the Bluetooth connection so it starts fresh.

11. Try using your phone/tablet in Safe Mode. If it works correctly in Safe Mode, you will know that another application is interfering.

12. Try turning your phone/tablet’s Wi-Fi connection off. Because Wi-Fi and Bluetooth share the same 2.4GHz frequency, they may interfere with each other.

Where can I find BlueDOT’s instructions?

Download your BlueDOT’s Operating Instructions to learn how to adjust the settings, see recommended food safety temperatures, and more.

Instructions for using the ThermoWorks BBQ app (such as recording and graphing temperatures and changing the measurement intervals) are found in the app and in the ThermoWorks BBQ app online help file, located here.

My BlueDOT thermometer is not working. All I seem to get is a flashing “NO PROBE”. The probe is inserted correctly. Any clue what’s wrong?

We would suggest replacing your BlueDOT’s batteries, as a battery change typically fixes these types of symptoms. It is also possible the probe has failed. If this has happened, a new probe will resolve the issue. The most common reasons for probe failures include:

  • The probe has been used outside of the recommended temperature range. Keep the probe cable away from oven elements, flames, coals, grill or oven racks—all of which can reach temperatures far higher than 700°F (even if an oven/smoker is set lower).

  • The cable got too wet for too long. While the cable is water-resistant, it is not entirely waterproof (the term “waterproof” means that an item is completely impervious to water). When you’re cleaning your probe, you can carefully wipe down the stainless steel cable as long as you don’t submerge it in liquid. You might find it easiest to clean the cable with our probe wipes.

  • Excessive wire kinking.

Pro-Series Probes Percautions

Avoid grilling or broiling with your probes unless you protect your probes, as flare-ups often involve temperatures above your probe’s specifications. We recommend that you use an instant-read thermometer—such as a Thermapen or a ThermoPop.

Important to Know

While our probes are designed to be best of class (each batch is tested to make sure they meet our high-quality standards) and are much heartier than those of our competitors, all cooking probes—no matter what type they are, how expensive they are, or who makes them—are subject to decay over time due to the harsh conditions they are used in. Professional BBQ teams always keep extra probes on hand for this reason. Plus, it never hurts to have more types of probes on hand to handle different kinds of cooks!

As a note: Pro-Series probes come with a 6-month warranty. Please let our Tech Support team know if you need help with yours. 


My BlueDOT is displaying an LLL (or HHH) error. What does this mean?

There are several reasons your BlueDOT may display either an LLL or HHH error, the most common being that the probe wire was damaged or broken. If your Pro-Series probe was exposed to temperatures above or below its temperature range (-58 to 572°F  or -50 to 300°C), you will see one of these errors.

LLL means that the probe was exposed to temperatures below its range and HHH means that it was exposed to temperatures above its range.


My BlueDOT is not reading food temperatures accurately. What’s wrong?

Judging the accuracy of your BlueDOT in food or air can be difficult. The best way to verify the accuracy of a probe or digital thermometer is with a proper ice bath test. This can be done quickly and easily at home with the instructions found here.

If your BlueDOT’s Pro-Series probe is accurate, it will read within ± 1.8°F of 32°F (30.2 to 33.8°F). If it is reading accurately in this test, you can rest assured that it is reading accurately in food and at higher temperatures.

Please contact our Tech Support team if you need further assistance. They are always happy to help.


Why did my BlueDOT melt?

It is likely that your BlueDOT thermometer (the body) was exposed to temperatures above its operating range, which is 32 to 122°F (0 to 50°C). The BlueDOT’s thermometer does not go in the oven when you use it, as high heat will melt it. It should not be attached directly to a smoker or grill.

Instead, insert the Pro-Series probe’s tip into the food you are tracking, connect the other end of the probe to BlueDOT thermometer, and place BlueDOT outside of the oven/smoker (usually on a countertop).Place the food in the oven/smoker and close the door on the cable. Closing the oven door on the probe’s cable won’t hurt it. Because the cable is thin, your oven, grill, or smoker won’t lose any heat



I just received my new BlueDOT. I can’t change the temperature. It constantly reads 73°F/165°F. What do I do?

Could you check to see if you have removed the screen’s protective film? If you have and your BlueDOT is still not working correctly, please contact our Tech Support team.


How should I care for my BlueDOT?

  1. The best way to extend the life of your BlueDOT’s hardware is to clean it properly after each use. Wipe it off with a damp, soapy cloth or paper towel. Do not submerge it or put it in the dishwasher.
  2. Your BlueDOT should not be affixed directly to a smoker or grill’s lid or left in the smoker or oven. The high heat will melt the plastic housing.
  3. Avoid having the thermometer’s LCD screen in direct sunlight for an extended amount of time as this can damage the display.


How should I care for BlueDOT’s probe?

  1. To clean the probe, carefully wipe down the stainless steel cable with a slightly damp, soapy cloth or paper towel. Do not put the probe in the dishwasher or place the entire probe in a sink of water. Submerging the cable can cause damage.
  2. Your Pro Series probe’s operating range is -58 to 572°F. Keep the probe and cable away from oven heating elements, flames, coals, grills, or racks—all of which can reach temperatures far higher than 700°F (even if an oven or smoker is set lower).
  3. The probe should not be attached directly to a rack. The high heat of the rack will cause damage to the probe, transition, and cable. Use a grate clip.
  4. Do not pull on the probe’s cable. Use the molded transition.
  5. While the cable may be closed in an oven door or under a BBQ hood, avoid pinching the probe’s cable between very hot surfaces, such as a cast metal grill hood, without some insulating protection. Use an access hole if available.
  6. Store your Pro-Series® probe with the cable free of kinks and lightly coiled, wrapped, or hung loosely.


What is the warranty of the probe that comes with my BlueDOT? I think mine isn’t working correctly.

Pro-Series probes come with a 6-month warranty. Please let our Tech Support team know if you need help with yours.


BlueDOT Warranty Terms

Your BlueDOT’s hardware has a 2-year warranty. You can read more about the warranty terms here.


Have more questions?

If you have any additional questions or concerns, please contact our Tech Support team by calling 1-800-393-6434 or by emailing

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