Weiser smart locks utilize a combination of mechanical and electronic components. The latch bolt engages with the strike plate on the door frame. Simultaneously, internal sensors detect the bolt's position. A long beep typically indicates a discrepancy between the expected bolt position and the sensor readings. Z-Wave or Zigbee communication issues (if applicable) can also trigger error beeps, though less frequently in this scenario. Battery impedance, especially during cold weather, can affect sensor accuracy and motor operation.