Category
HVAC
HVAC codes with evidence-led diagnosis.
172 published entries
Brands in hvac
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Published error entries
C7Daikin C7 on an air conditioner: front panel open/close errorLow· DaikinHLDe'Longhi Pinguino HL code: internal condensate tray fullLow· De'LonghiH155Google Nest H155 on thermostat: Heat Link offline on low batteryLow· Google NestH157Google Nest Thermostat H157: Heat Link removed from the appLow· Google NestM26Google Nest Thermostat M26: Matter linking unavailableLow· Google NestN260Google Nest N260 on smart thermostat: C wire recommendedLow· Google NestN261Google Nest N261 on smart thermostat: low power to C wireLow· Google NestN71Google Nest N71 on smart thermostat: Rc wire not connected to equipmentLow· Google NestN72Google Nest N72 on smart thermostat: Rh wire not connected to equipmentLow· Google NestN74Google Nest N74 on smart thermostat: low power on the Y1 wireLow· Google NestW5Google Nest W5 on smart thermostat: cannot connect to Wi-FiLow· Google NestF3Gree F3 on an air conditioner: outdoor ambient sensor faultLow· GreeSIN-COMUNICACION-RECEPTORHoneywell Home T6R thermostat: no communication with receiverLow· Honeywell HomeE0Mitsubishi Electric E0 on an air conditioner: remote gets no dataLow· Mitsubishi ElectricE4Mitsubishi Electric E4 on an air conditioner: no remote signalLow· Mitsubishi ElectricCALIBRACION-FALLIDANetatmo Valve CALIBRACION-FALLIDA: calibration has failedLow· NetatmoIMPOSIBLE-ALCANZAR-TEMPERATURANetatmo Valve IMPOSIBLE-ALCANZAR-TEMPERATURA: Eco priorityLow· NetatmoPILAS-AGOTADASNetatmo batteries run out on thermostat: boiler cannot turn onLow· NetatmoSIGNO-EXCLAMACIONNetatmo exclamation point on thermostat: Relay not detectedLow· NetatmoH15Panasonic H15 on an air conditioner: compressor sensor faultLow· PanasonicE0tado° E0 on smart thermostat: pairing failedLow· tado°E1tado° E1 on radiator thermostat: valve closed position not foundLow· tado°E2tado° E2 on radiator thermostat: motor not touching the pinLow· tado°E4tado° E4 on radiator thermostat: valve travel too shortLow· tado°ERROR-INSTALACIONtado° X mounting failed on radiator thermostat: no valve contactLow· tado°SIMBOLO-SINCRONIZANDOtado Thermostat SIMBOLO-SINCRONIZANDO: changes not syncedLow· tado°0CToshiba 0C on an air conditioner: room temperature sensor TA shorted or disconnectedLow· Toshiba0dToshiba 0d on an air conditioner: heat exchanger sensor faultLow· Toshiba