Samsung Electronics85Check Operation & Amount of Refriherant Automatically Checking2) Outdoor Unit Temperature sensor■ Inspection item : Outdoor temperature of each Outdoor Unit, Cond_Out, Suction, Liquid pipe temperature sensor■ Error code: None (The resulting report "Undetermined")■ Determine the status of the Temperature sensor of the each Outdoor Unit installed before the compressor start.■ If the judgment of Outdoor Unit Temperature sensor is "Undetermined" : Checking in accordance with the following order.[Caution]- If the Outdoor Unit with a history of operation (Automatic commissioning inclusion) : Must be carried out Automatic Commissioning after 1hour from final operation stopped.YesMust wait more than 1 hourNoIs deviationsof the Indoor Unit Temperature sensors, morethan 10℃?NoNoIs Temperature sensor properly assembled?Check the breakaway of sensor or replace PCBIs Temperaturesensor connector properly connect?YesIs Temperature sensor resistance valuenormal.YesIs deviations of the Indoor Unit Temperaturesensors, less than 10℃?CompleteNo[DischargeTemperature sensorresistance value]Temperature(℃)Resistance(Ku)706050403020100-102.23.04.25.88.312.118.027.343.0※ Resistance measurement method Afterseparating the Temperature sensorconnector from the PCB, measure theresistance value between the twoterminals.Confirmation andMeasures.Confirmationand Measures.Replace sensor.
