All they state is that the inverter will start to derate at 122º ambient temperature, but have no data on internal temps. They did say that if the inverter was out of temp spec (whatever that spec number is), it would give an error message.
Still, this seems pretty freaking hot to me...and it's only in the high 80s outside today. Inverter is mounted outside on a north facing wall in full shade.
Both fans show as functioning in the on-screen menu and can be heard running.
