Independent technical reference
Google Nest
48 published entries
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Documented codes
Smoke and CO alarms 6
ARO-ROJO-CONest Protect red ring on CO alarm: carbon monoxide emergencyCritical· HVACARO-ROJO-HUMONest Protect red ring on smoke alarm: smoke emergency alertCritical· HVACARO-AMARILLO-AVISONest Protect yellow ring Heads-Up on smoke and CO alarmHigh· HVACFALLO-SENSORNest Protect sensor failure on smoke and CO alarm: replace itHigh· HVACFIN-DE-VIDANest Protect expired on smoke and CO alarm: replace the unitHigh· HVACPILAS-BAJASNest Protect low battery chirp on smoke and CO alarmMedium· HVAC
Smart thermostats 21
E1Google Nest E1 on smart thermostat: C wire requiredMedium· HVACE10Google Nest E10 on smart thermostat: no Y1 power in cold weatherMedium· HVACE195Google Nest E195 on smart thermostat: no power to R wireMedium· HVACE2Google Nest E2 on smart thermostat: no power wires detectedMedium· HVACE298Google Nest E298 on smart thermostat: no system powerMedium· HVACE5Google Nest E5 on smart thermostat: no heating or cooling detectedMedium· HVACE73Google Nest E73 on smart thermostat: no power to Rc wireMedium· HVACE74Google Nest E74 on smart thermostat: no power to Rh wireMedium· HVACE9Google Nest E9 on smart thermostat: no power to C wireMedium· HVACH71Google Nest H71 on smart thermostat: no connection to Heat LinkMedium· HVACH72Google Nest H72 on smart thermostat: thermostat lost powerMedium· HVACH73Google Nest H73 on smart thermostat: OpenTherm not detectedMedium· HVACH155Google Nest H155 on thermostat: Heat Link offline on low batteryLow· HVACH157Google Nest Thermostat H157: Heat Link removed from the appLow· HVACM26Google Nest Thermostat M26: Matter linking unavailableLow· HVACN260Google Nest N260 on smart thermostat: C wire recommendedLow· HVACN261Google Nest N261 on smart thermostat: low power to C wireLow· HVACN71Google Nest N71 on smart thermostat: Rc wire not connected to equipmentLow· HVACN72Google Nest N72 on smart thermostat: Rh wire not connected to equipmentLow· HVACN74Google Nest N74 on smart thermostat: low power on the Y1 wireLow· HVACW5Google Nest W5 on smart thermostat: cannot connect to Wi-FiLow· HVAC
Security cameras 11
AMARILLO-FIJOGoogle Nest camera AMARILLO-FIJO: battery or charging failureMedium· NetworksAMARILLO-LENTOGoogle Nest Cam wired slow yellow light: wrong power adapterLow· NetworksARO-ROJO-INTERMITENTEGoogle Nest red blinking ring on Nest Cam IQ camera: low powerLow· NetworksC100Google Nest C100 on camera: app can't connect to itLow· NetworksC103Google Nest C103 on camera: can't find the wifi networkLow· NetworksC105Google Nest C105 on camera: router assigns no addressLow· NetworksC106Google Nest C106 on camera: can't connect to wifiLow· NetworksC107Google Nest C107 on camera: Bluetooth connection failsLow· NetworksC108Google Nest C108 on camera: internet too slow or droppedLow· NetworksC209Google Nest C209 on camera: firewall blocks setupLow· NetworksNC013Google Nest camera NC013: cannot link with other Nest devicesLow· Networks
Smart doorbells 1
Mesh Wi-Fi routers 3
Smart speakers 6
ARO-AMARILLO-RAPIDOGoogle Home Speaker fast yellow ring: low power or network errorLow· NetworksAuth check failure on device(s)Google Nest Auth check failure on speaker: not a home memberLow· NetworksCUATRO-LUCES-NARANJASGoogle Nest 4 solid orange lights on speaker: microphone mutedLow· NetworksCUENTA-ATRAS-NARANJAGoogle Nest orange lights countdown on speaker: factory resetLow· NetworksDOS-LUCES-ROJASGoogle Nest Mini 2 solid red lights on speaker: update problemLow· NetworksSomething went wrongGoogle Nest Something went wrong on speaker: connection issueLow· Networks