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List of failures (HMI-DM, HMI-TM and HMI@WEB controllers)
Failure name Failure Description
SupplyTmpSnsr Inlet air temperature sensor
RoomTmpSnsr Room air temperature sensor
HMI-SG1 Local HMI-SG1 controller
HMI-SG2 Local HMI-SG2 controller
ReturnAirTmpSnsr Outlet air temperature sensor
OutTmpSnsr Outdoor temperature sensor
HtgFrstTmpSnsr Return water temperature sensor
FrostTmpSnsrHeatEx Antifreeze protection temperature sensor
PreElHtgTmpSnsr Temperature sensor aer the el. pre-heater
PreWtrHtgTmpSnsr Pre-heating antifreeze protection temperature sensor
ExtraSupplyTmp Temperature sensor aer the el. aer-heater
BrnrFlueTmpSnsr Flue gas temperature sensor
AirQualitySnsr Air quality sensor
SupplyHumSnsr Inlet air humidity sensor
RoomHumSnsr Room air humidity sensor
OutHumSnsr Outdoor air humidity sensor
Supply fan Inlet – 1st fan
SplyFanInfBckUp Inlet fan backup information
SplyFanBckUpOrTwn Backup or twin – 2nd inlet fan
TwnSplyFanActBckUp Twin inlet fan backup information
SplyFanBckUpFrsTwn 1st inlet fan twin backup
SplyFanBckUpSecTwn 2nd inlet fan twin backup
Exhaust fan Outlet fan – 1st fan
ExhFanActBckUp Outlet fan backup information
ExhFanBckUpOrTwn Backup or twin - 2nd outlet fan
ExhFanBckUpFrsTwn Twin backup – 1st outlet fan
TwnExhFanActBckUp Twin outlet fan backup information
ExhFanBckUpSecTwn Twin backup – 2nd outlet fan
Fan additional Auxiliary 3rd fan
FanTwinAdditional Auxiliary 3rd twin fan
Supply fan - flow Supply fan air-flow fault
Exhaust fan - flow Exhaust fan air-flow fault
AdditionalFan-Flow Additional fan air-flow fault
WaterHeatingPump Water heat pump fault
Heat pump Heat pump fault
BlockHeatPumpFromOutTmpHeating Blocking the heat pump from outer temperature - heating
BlockHeatPumpFromOutTmpCooling Blocking the heat pump from outer temperature - cooling
Fan Fan
Filter Filter fouling
Electric heating Electric heater
Fire Fire
OverHeatFlueGas Flue gas temperature exceeded
HighFlueGasTemp High flue gas temperature
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