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WPS Pairing failed

ERR LED solid orange (5 seconds) - WPS pairing failed

Mitsubishi Electric · MSZ-AP Air Conditioners

What does WPS Pairing failed mean?

The Wi-Fi interface failed to complete the WPS pairing process with the router. The orange ERR LED will light up solid for 5 seconds.

Common Causes

  • WPS pairing failed to establish a connection with the router.
  • Incorrect timing or sequence of WPS activation on the router and interface.
  • Router settings preventing WPS connection.
  • Other network issues.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Restart the WPS pairing process on both the Wi-Fi interface (hold MODE for 2 or 15 seconds) and your router.

  2. 2

    Ensure WPS is enabled on your router and you are activating it within the allowed time window.

  3. 3

    Refer to your router's manual for specific WPS activation steps and troubleshooting guidance.

Browse all codes in this manual (87)
Verified technical data. Last updated: April 2026

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Source: Mitsubishi Electric MSZ-AP Air Conditioners
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