Samsung Electronics 112Troubleshooting4-3-28 EVI Out Temperature sensor error (Open/Short)CN44 (5, 6)1. Cause of problemOutdoor EVI OUT sensorconnector (CN44) connected to PBA?Is the resistor value matching with“NOTE1” table?Separate the connector of the Outdoor EVI OutTemperature sensor from the PBA and measure theresistance 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 Out Temperature sensor itself.NoNoYesYesResistance value measure partEVI-OUTEVI-OUTNOTE1Temperature(°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-Out pipe temperature thermistor.Cause ofproblem ∙ EVI-Out temperature sensor is defective. (open/short)4-3 Appropriate Measures for Different Symptom (cont.)
