Is there a way to reset the wifi on a Gen2 inverter (built in wifi).
Or is the default password something Incan figure out?
Gen 2 wifi reset
If you need to change WiFi settings due to new router it may be easier to set router SSID and password to that of old router and then all your household WiFi items will continue to function including inverter.
I saw someone suggested that it was easier to change all youer router settings to the old router than it is to reset it ! Wow ! I really hope thats not true. Lots of people switch broadband providors or reset their passwords - I cant believe this was suggested !

It’s basically your ssid (wireless network name) and Wi-Fi password.
If you have lots of wireless devices it’s the quickest way to to get up an running.
Otherwise you have to join them all manually.

It does seem to fly in the face of best practice security but in the real world where not many are IT professionals (or even fully competent) it can be the best option.
Bear in mind that the existing password will have been set by the manufacturer so will be fairly strong.
secondly, many like myself will have far too many wifi connected apparatus (42 right now for me )to make resetting each one a momentous task, not to mention some devices that may refuse to ever connect again.
From a security point of view any router will allow MAC filtering where only devices you have added to the list will be allowed to connect. this also sounds like quite a task but the ocd amongst us ( me) will have a list of all mac addresses and add new devices as they are acquired.
I don't think that anyone has suggested changing ALL the router settings on a new device to the old device settings. What was suggested was to change the SSID and WiFi password to the old router settings. This allows all connected devices to carry on and connect to the new router using the existing credentials.
The chance of anyone attacking and cracking a home WiFi password is vanishingly small. Especially if you have set a strong WiFi password in the first place and are using a secure WiFi protocol (not WEP!). You cant hack into a WiFi remotely, for example.
Note: The WiFi password is not the same as the admin password for the router. A weak router password is a definite security risk especially as a router can be remotely hacked.
Zakalwe Not only that but many of the latest routers will allow you to set up multiple ssids. You can therefore have the best of both worlds. Set up an additional ssid with the old details and then you can take your time to migrate any or all of your devices to the other without losing the use of any of them.