Diagnosis
This is the camera's 'out of range' alert. It indicates the wireless signal between the camera and monitor has dropped below a critical threshold, even if temporarily.
How to Fix It
The fix is to improve signal strength. First, ensure both units are on the same floor without major obstructions like multiple brick walls or large appliances. Reposition the monitor's charging base. Often, placing it on a higher shelf improves line-of-sight. Check that the camera's antenna is fully extended and positioned vertically.
If That Didn't Work
Change the channel on the monitor to avoid interference. On the monitor, go to Menu -> Camera Settings -> Change Channel. Try channels 1, 6, or 11. Test each for a few hours. A less congested channel provides a more stable connection.
Heads Up
The alert cannot be permanently disabled. It is a safety feature. If the signal issue persists in a standard-sized home, one of the unit's wireless modules may be failing. Document when the beeps occur and contact eufy support.