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I have a Trane XB80. I opened the panel yesterday to check the wiring inside, and then replaced it and turned it back on. I did not notice if it was working or not, but I suspect the fan did not come back on after I closed the panel.

Today, the fan is not blowing air. The compressor and pump are working, and the furnace also works (I tested it). However, the fan will not blow in any of the three modes.

What is wrong, and how do I fix it?

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