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Sub-Zero Group Owner's App Error BTLE2 or BTLE3


  • How to fix D-BTLE2 or D-BTLE3 error in mobile app
  • BTLE-2 or BTLE-3 shown on screen in Sub-Zero Group Owner's App
  • BTLE 2 or BTLE 3 error code
  • The Bluetooth connection to the appliance has been lost. This is required to communicate with the appliance at this moment.
  • Bluetooth error 2
  • Bluetooth error 3


  • App could not find appliance using Bluetooth
  • Appliance out of Bluetooth range


The app could not use Bluetooth® to find the appliance.

  1. Verify that the device is within 10 feet of the appliance.
  2. Make sure the app is updated to the latest version. Refer to Sub-Zero Group Owner's App Updates.
  3. Force close the Sub-Zero Group Owner’s App.
  4. Clear the cache on the Sub-Zero Group Owner's App.
    • iPhone: Settings > General > iPhone Storage > select the app > delete app
    • Android: Settings > swipe to and tap Apps > select the app you want to clear > Storage > Clear cache.
  5. Remove all appliances from the phone's Bluetooth settings. Open Bluetooth settings. Select the appliance. Tap to forget this device.
  6. Turn off Bluetooth from the phone’s settings.
  7. Reopen the Sub-Zero Owner’s App (with Bluetooth still disabled).
  8. Tap the button to Add an Appliance.
  9. Once the Bluetooth scan starts, with the heading “Add an Appliance” appearing at the top of the screen, turn Bluetooth back on.
  10. Select the desired appliance and proceed with the setup process.
  11. See also Connected Appliance Connectivity Troubleshooting or Sub-Zero Group Owner's App Troubleshooting.
  12. If these steps do not resolve the issue, contact the Sub-Zero Customer Care Team at [email protected], or call (800) 222-7820, Monday-Friday, 8:00 a.m. - 5:00 p.m. CST for assistance.


Need further assistance? Contact Customer Care at 800.222.7820 or provide your information below and request a Customer Care representative contact you.

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