HobbyKing ESC Error – Red Flashing, Cannot Start

I am currently experiencing a technical issue with my recently purchased HobbyKing X-Car 120A Brushless ESC. Specifically, after I installed the ESC into the RC car and connected the power cord, motor cord, level devil - not a troll game, and signal cord correctly, when I turned on the power, the ESC made an initial “beep” sound but then did not receive a signal from the remote control. The LED on the ESC just kept flashing red, unable to enter programming mode or control the motor. I tried resetting, checking the connection, changing the remote control, and even updating the firmware if available, but it still did not fix the problem.