Samsung RFG298AA Service Manual

Also see for RFG298AA: User manual Quick start guide User manual Service manual User manual

Contents

93TROUBLESHOOTING4-2-15. If Cover Ice Route Motor(Geard Motor) is not working normallyStartReplace the MOTORDoes GEARED MOTORwork properly?NoYesCubed or Crushed Ice is selectedon the LED PANEL PCBIs Cubed or CrushedIce mode selected on theLED PANEL?NoYesSelect the DISPENSER switchIs the DISPENSERswitch selected?NoYesCheck the WIREDoes the wiring at theboth sides of motor connectedproperly?NoYesWhen the MOTORrotates.Check the MOTOR/Check anyinterference on MOTOR rotation˝ CN73 and CN74 combined and use same connector(13P).Check 13P-”9” Connector / Re-connect˞ Check the short/open for the SSR75 of Cover Ice Motor on Main PCB.˟ Check the resistance of parallel Connector 13P-u9u, CN70-u9u.(Definitely plug out prior to repair)Caution1. When replacing the Cover Ice Motor, pull out the plug to avoid an electric shock.2. Be careful! When disassemble the Cover Ice Motor, spring can jumped out and may cause personal injury.3. Motor will rotate continuously when the Motor Switch is not sensed.˝ Main PCB - Check the wire OPEN/SHORT between the Cover Ice Motor Rotation sensing switches.˞ Check the Short of Cover Ice Motor Control Circuit SSR75 in the MAIN PCB.˟ Replace the MAIN PCB or the Dispenser Cover Motor.Is the AC input voltageapplied to the both endsof the motor?YesNoCheck/Repair the HousingconnectorIs the sensingSWITCH connectionnormal?NoYesCheck/Repair the Motor Rotationpressing areaIs the switchpressed area normal whenmotor rotates?NoYesNormalAre the voltageREG1 Heater Sink and CN50-”9”,“10” normal?YesNoOperating Condition of DispenserOpen/CloseCN50 - Switch 1,2 OperatingOpeningCloseIce Route Switch 1CN50 - “9” (Purple)Ice Route Switch 2CN50 - “10” (White)0V 0V5V0V 0V5Vó Checking Mehod of Cover Ice Route MotorResistance(Make sure to work after Power Off)The Resistance is variable according tothe input voltage.CN73 and CN74 combined and use sameconnector(13P)CN70#9(RED) ® 13P#9(Blue)** 0ʃ: Short trouble / ʃ: Open trouble