After a crash, I have noticed that my fourth motor (F90 LRM) is not working, others three work fine. Initially, I thought it was because the wiring from the ESC (f55A pro) to flight controller (Tmotor f7) was loose, so I redid the wiring and plugged it in again and noticed the fourth motor responding on betaflight, however, it stops working after 10 seconds of run time. The ESC beeps three times as well. I also noticed that my FC is really hot. If anyone knows what might be wrong or how to go about troubleshooting this issue, I would greatly appreciate your advice. Thanks.
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