Fix it
Baby Monitor Not Working? Fixes That Actually Help
Common baby monitor problems and fixes: lost signal, no video at night, audio cutting out, and app connection failures.
Most baby monitor failures are signal or power problems, not broken hardware. Work through these fixes in order before assuming the unit is dead.
Parent unit shows 'no signal' or loses connection
Move the parent unit closer to the camera and away from routers, microwaves, and thick walls. For FHSS monitors, re-pair the camera to the parent unit using the pairing button sequence in the manual. For WiFi cameras like the Nanit, restart your router and confirm the camera is on a 2.4GHz band if your router splits bands.
Video is black at night
Night vision needs the room dark to engage; a bright nightlight can confuse the sensor. Remove any IR-blocking window film near the camera, wipe the lens clean, and check that night vision is enabled in settings. On the Nanit, confirm the camera has power and the app shows it as online rather than in a privacy mode.
Audio cuts in and out
Enable active noise reduction or VOX sensitivity adjustment if your model has it; a threshold set too high clips quiet sounds. Move the camera closer to the crib and the parent unit away from other electronics. If the parent unit battery is nearly dead, low power can cause dropouts, so charge fully and retest.
App won't connect to a WiFi camera
Force-close and reopen the app, then log out and back in. Confirm your phone is on the same network the camera was set up on, and that the camera's firmware is current. As a last resort, factory-reset the camera and run setup again from scratch; most persistent app issues trace to a stale pairing token that a reset clears.
Questions, answered
Why does my monitor beep randomly?
Usually a low-battery warning, an out-of-range alert, or a temperature alarm tripping its threshold. Check the on-screen icon to identify which one before changing settings.
Can interference from neighbors affect my monitor?
On crowded 2.4GHz bands, yes. FHSS systems hop frequencies to cope; WiFi cameras suffer like any WiFi device. Switching your router's channel can help both types.