Temps indicated in the app?

For the 300Ah V2 batteries what are the T1, T2, T3 temperature locations. T1 is always about 10 degrees F higher than T2 and T3?
What is the high temp shut off based on and what is the limit? 140F in the manual, is that it?
Also what are the possible Fault and Warning codes that are displayed in the app? An appendix in the manual would be useful.
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