Amazon Smart Thermostat Initial Pairing / Provisioning Failure

Thermostat is powered but will not connect to Alexa app during setup

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Possible Causes

Incorrect Amazon account region, Bluetooth or Wi‑Fi disabled on phone, Router blocking new device connections, Thermostat stuck in previous account link

How to Fix / Troubleshooting

Note: HVAC power can remain on.

  • Check phone settings: Ensure Bluetooth and Wi‑Fi are enabled and the phone is on the same 2.4 GHz network you intend to use.
  • Reset thermostat: Perform a factory reset on the thermostat to clear any previous account link.
  • Use the latest Alexa app: Update the Alexa app to the latest version and sign in with the correct Amazon account.
  • Router settings: Disable guest network isolation and MAC filtering temporarily while adding the thermostat.
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Repair Difficulty

Easy 2/5
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