Why does my ESC keep beeping and fail to arm?

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

Answer: Continuous beeping from your ESC usually indicates it hasn’t received the proper arming signal or there’s a configuration issue. First, check the throttle stick on your transmitter is at the lowest position before powering up; ESCs won’t arm if the throttle isn’t fully down. Next, ensure the ESC is calibrated to your transmitter’s throttle range. To calibrate, disconnect the battery, hold the throttle stick at max, connect the battery, wait for the beeps, then lower the throttle to minimum and wait for confirmation beeps. Also, verify the battery voltage is within the ESC’s acceptable range, as low voltage can cause beeping. Finally, inspect the wiring and connectors for any loose or damaged connections. If the ESC has a programming card or software, double-check settings like brake enabled/disabled and motor direction. Following these steps should resolve the beeping and allow your ESC to arm correctly.