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Wi-Fi LED 5 blinks

Wi-Fi LED blinks 5 times — Wi-Fi connection failed

Mitsubishi Electric · MSZ-AY Air Conditioners

What does Wi-Fi LED 5 blinks mean?

The Wi-Fi interface LED blinks 5 times, indicating that the connection to the router failed. This can happen in either WPS-PUSH or Access Point mode due to various reasons like communication distance, router settings, or incorrect setup steps.

Common Causes

  • Communication distance too far between Wi-Fi interface and router
  • Router settings (encryption, authentication, connection limits) are preventing connection
  • WPS button on router not pressed within 2 minutes (WPS-PUSH mode)
  • Incorrect Wi-Fi settings or KEY entered on smartphone (Access Point mode)
  • Connection not completed within 10 minutes (Access Point mode)

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Reset the Wi-Fi connection by holding the Temperature button for 5 seconds, then selecting the appropriate mode ("_ 2" for WPS-PUSH or "¯ 1" for Access Point) and pressing the remote button.

  2. 2

    For WPS-PUSH mode: Press the WPS button on your router within 2 minutes of selecting the mode on the air conditioner.

  3. 3

    For Access Point mode: Check smartphone Wi-Fi settings, re-enter the correct SSID and KEY if necessary, and ensure setup is completed within 10 minutes.

  4. 4

    Ensure the router is within close proximity to the Wi-Fi interface and review your router's settings (encryption, authentication, connection limits).

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Verified technical data. Last updated: April 2026

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Source: Mitsubishi Electric MSZ-AY Air Conditioners
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