Heat went out again on my Trane XE80 which is a good time to create a follow-up video!:) I suspect an issue with the gas switch or bad board but not certain. Let me know your thoughts/comments below - thank you!

Be sure the watch all three if you are having issues ...
Link to take #1 (basic maintenance):    • Furnace Trouble - Time for a closer L...  
Link to take #2 (maintenance did not help):    • Furnace Trouble (take 2) - Time for a...  
Link to take #3 (needed to additional help):    • Furnace Trouble (take 3) - Replace Ga...