Apparently the temperature problem was a bad server bin file. I updated to the 1.21 file and it magically disappeared.
The extruder problem turned out to be a bad cable - easy enough to fix.
That just leaves the WiFi, which is quite puzzling after playing with it for while. I did reset my wifi box in case there was some glitch.
I worked on the WiFi. I did have the wrong SSID, unfortunate fixing it did not fix the connection problem. I did double check connecting my mobile to the 2.4 to make sure nothing silly was going on like a different password, but it connected fine.
It looks like the WiFi doesn't see the named network:
WiFi reported error: no known networks found
WiFi module is idle
to me. I live in a complex, is it possible it just isn't looking through enough SSIDs?