Hello,
It is possible that something just got simply unplugged.
The best option would be to remove those panels and switches and take a look inside.
Look for any loose harness or broken pieces.
Keep in mind that depending on the impact it can have internal damage to the control switches.
I have attached diagrams of how to remove the HVAC control panel below.
Please let me know if you have any questions.
Thank you.
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Thursday, December 16th, 2021 AT 10:45 AM