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’s not receiving the correct arming signal or there’s a configuration issue. First, check that your transmitter and receiver are properly bound and that throttle is at the minimum position. Next, ensure the ESC throttle calibration is done: power up the ESC with throttle at max, wait for tones, then lower throttle to minimum until confirmation beeps. Also, verify the battery voltage is within the ESC’s acceptable range; low voltage can prevent arming. Inspect all wiring for secure connections and no shorts. Some ESCs require a specific arming sequence or safety switch to be engaged—consult your ESC manual. Finally, confirm the ESC firmware and settings match your motor and battery specs. If the beeping persists, try resetting the ESC to factory defaults and recalibrating. Following these steps usually resolves beeping and arming issues promptly.