ERR Orange ON, NET Green ON — Server connection failed, but connected to indoor unit

What does ERR ON NET ON (Server Fail, Indoor OK) mean?

The Wi-Fi interface successfully connected to the indoor unit but failed to connect to the Mitsubishi Electric server. This suggests an internet, DNS, or server-side issue.

• Router not connected to the internet
• Mitsubishi Electric server unavailability or maintenance
• Invalid DNS settings on the Router or Wi-Fi interface

Click steps to track your progress.

1. 1

   Check if your Router is connected to the internet and other devices can access online services.

2. 2

   Verify the DNS settings of your Router or the Wi-Fi interface.

3. 3

   Push the RESET Button on the Wi-Fi interface for 2 seconds to restart server communication.

4. 4

   If the problem persists, try pushing RESET for more than 15 seconds to retry pairing.