Samsung Electronics 100Troubleshooting4-3-17 Outdoor Temperature Sensor Error1. Cause of problemIs the outdoortemperature sensor connector (CN43)connected to PBA?Did the resistancevalue significantly stray from the followingtemperature table?After separating the outdoor temperaturesensor connector from the PBA, measurethe resistance value between the terminals.Restart operation after replace the PBARestart operation after connectingthe connector to the PBA.Replace this since it is the defective ofthe outdoor temperature sensor itself.YesNoNoCN43 (7, 8)YesResistance value measure partOUTOUTOutdoor 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 24 27: ON : Flash ×: OFFJudgmentMethod - Detect according to temperature detected with the outdoor-ambient temperature thermistor.Cause ofproblem - Outdoor temperature sensor is defective. (open/short)NOTE1Temperature(°C) Resistance(KΩ)706050403020100-102.23.04.25.88.312.118.027.343.04-3 Appropriate Measures for Different Symptom (cont.)
