Samsung Electronics 104Troubleshooting4-3-20 Compressor Discharge or Top 1/2 Temperature sensor error1. Cause of problemYesCompressordischarge or Top temperature sensorconnector (CN43, CN45)connected to PBA?Is the resistor value matching with“NOTE1” table?After separating the Compressor Discharge orTop Temperature sensor connector from thePBA, measure the resistance value betweenthe two terminals.Restart operation after replace the PBATOP1 : CN43 (3, 4)TOP2 : CN45 (5, 6)DIS1 : CN43 (1, 2)DIS2 : CN45 (3, 4)Restart operation after connectingthe connector to PBAReplace this part as it is the defectiveof the Compressor Discharge orTop Temperature sensor itself.YesNoNoResistance valuemeasure partResistance valuemeasure partTOP1 TOP2TOP1TOP2NOTE1Temperature(°C) Resistance(KΩ)130120100806025201008.911.218.532.059.0200.0242.0362.0553.0Outdoor unitdisplay(Compressor 1 Discharge) (Compressor 2 Discharge)(Compressor 1 Top) (Compressor 2 Top)IndoorunitdisplayDuct, 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 compressor discharge pipe temperature thermistor.Cause ofproblem ∙ Compressor Discharge or Top Temperature sensor defective. (Open/Short)4-3 Appropriate Measures for Different Symptom (cont.)
