Samsung AM072FXVAFH series Service Manual

Also see for AM038KXWDCH: Service manual

Contents

TroubleshootingSamsung Electronics 4-634-4-25 Suction Temperature sensor error (Open/Short)1. How to checkOutdoor unit suctionsensor connector (CN44) connectedto PCB?Is the resistor value matching with“NOTE1” table?Separate the connector of the Outdoor Suctionsensor from the PCB and measure the resistancevalue between the 2 terminals.Restart operation after replace the PCBRestart operation after connectingthe connector to PCBReplace this part as it is the defective of theOutdoor Suction sensor itself.NoNoYesYesResistance value measure partSUCTSUCTNOTE1Temperature(°C) Resistance(KΩ)706050403020100-102.23.04.25.88.312.118.027.343.0Outdoor unit displayIndoorunit displayDuct, 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 TurboON Flash OFFJudgment Method ∙ Refer to the judgment method below.Cause of problem ∙ Disconnection or breakdown of relevant sensor. (More than 4.5V or 0.5V less than)