Fj-ir-wifi-1na

I have a wifi adapter for a fujitsu mini split that I am trying to configure. After I select the network and entered the password, the light flashes green and then goes to flashing red. It does not flash yellow like it is suppose to. What should I try next? Thanks, Laura

I am trying to configure a wifi adapter for a fujitsu minisplit. After I select the network and entered the password, the light flashed green and then goes to flashing red. It does not flash yellow like it is supposed to. What should I try next?

Can you please provide the MAC address (MAC ID) of the unit?

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001DC9A2C1AC

That is a 1st generation device which only supports 802.11b WiFi. You will need to check that your router has 801.11b enabled. If you have questions how to do that, you can find details from your router manufacturers documentation or support.