← Full guide: Alexa Not Responding: Check Power, Network, and Account
Alexa says a smart-home device is not responding, but the device works in its own app
If the lamp/plug works in the manufacturer app, the device itself is online.
Start here
If the lamp/plug works in the manufacturer app, the device itself is online. Fix the Alexa integration layer: account link, device discovery, duplicate endpoint, or stale cloud state.
Check these first
- Control the device from its own app.
- Check whether Alexa shows the correct device once or has duplicates.
- Confirm the vendor skill/add-on account is still linked.
Fix it in this order
- Disable/re-enable or re-link the vendor integration if authorization expired.
- Run device discovery and keep the correct endpoint.
- Rename duplicates or remove stale endpoints before testing voice control again.
Evidence to keep
- Vendor-app control works
- Alexa device list
- Account-link status
- Exact Alexa response
Do not make it harder
- Factory-resetting a healthy smart device
- Keeping duplicate Alexa endpoints with nearly identical names
How you know it is fixed
- Alexa controls the same endpoint and reports the correct state without a false “not responding” response.
If the obvious fix does not work
- If re-linking fixes it only temporarily, check the vendor cloud/account rather than repeatedly resetting local hardware.
- If Alexa performs the action but still says “not responding,” the integration may be failing to acknowledge/state-report correctly; document that behavior for vendor support.
If this still isn't resolved
- Vendor integration support
- Amazon Alexa support if multiple integrations fail
Sources for this path
Use these references to confirm provider-, model-, policy-, or jurisdiction-specific details before an irreversible step.
Need the complete context?
This page solves one branch. The parent guide covers the full decision, edge cases, alternatives, and related checks.