TroubleshootingSamsung Electronics 1114-3-27 EVI In Temperature sensor error (Open/Short)1. Cause of problemOutdoor EVI INsensor connector (CN44) connectedto PBA?Is the resistor value matching with“NOTE1” table?Separate the connector of the Outdoor EVI InTemperature sensor from the PBA and measurethe resistance value between the 2 terminals.Restart operation after replace the PBARestart operation after connectingthe connector to PBAReplace this part as it is the defective of theOutdoor EVI In Temperature sensor itself.NoNoYesYesResistance value measure partEVI-INEVI-INCN44 (3, 4)NOTE1Temperature(°C) Resistance(KΩ)706050403020100-102.23.04.25.88.312.118.027.343.0Outdoor unitdisplayIndoorunitdisplayDuct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)Operation Defrost Timer Fan Filter/MPI Operation Defrost Timer Filter Operation Timer Turbo: ON : Flash ×: OFFJudgmentMethod ∙ Detect according to temperature detected with the EVI-In pipe temperature thermistor.Cause ofproblem ∙ EVI-In temperature sensor is defective. (open/short)4-3 Appropriate Measures for Different Symptom (cont.)
