Why does my ESC keep beeping and won’t arm?

Question: Why does my ESC keep beeping and not arm?

Answer: Continuous beeping from your ESC usually indicates it hasn’t received the correct arming signal. First, check that your transmitter and receiver are properly bound and that the throttle stick is at its lowest position. Make sure your ESC is calibrated to match your transmitter’s throttle range: power up the ESC while holding the throttle at maximum, wait for the beeps, then lower the throttle to minimum and listen for confirmation beeps. Also, verify the battery voltage is sufficient—low voltage can prevent arming. Inspect all wiring for loose connections or shorts, especially between the ESC, battery, and flight controller. Finally, ensure any safety features like throttle cut or arming switches are correctly set. Following these steps should resolve the issue and allow your ESC to arm normally.