Daewoo frs20 manual Troubleshooting of Fan Noise

Page 70

Troubleshooting of Fan Noise

1. Fixing or Fastening of Fan Motor

1) Check if fan motor frame of the assembly is fastened tightly with screws to the liner wall. Unless it is tight, vibration of shaking can make.

2) Check if fan motor and fan are hanged down. Fan working sound can be louder if they are not set right.

2. Any Touch Sound from Fan

1) Check if sealing sponge on the insulator touches the fan.

If so, set it again not to touch it.

2) If any damage on the insulator around the fan rotation is found, set the fan motor assembly right not to touch it.

69

Image 70

Contents Refrigerator N T E N T S Page External Views FRSN-U20DB / EB FRSN-U20FB / GB Name of Each Parts Freezer Compartment Refrigerator Compartment Freezer Compartment Refrigerator Specification Basic Model Dispenser Model Specification 220~240V Models onlyDoor Switch , F / R AC220V / 192WOperation and Functions DisplayDispenser Model Front PCB buttonReference Please wait Comp Defrost ModeDefrosting Cycle Fan Heater Flow Chart of Defrosting Start Sensor FAN, R-FAN, C-FAN Forced Defrosting ModeFan Voltage of Control Mode VoltageLouver Heater Control Buzzer or Alarm ControlControl of Interior Lights FRSN-U20DA Demonstration Basic ModelCompensation of R-sensor ON/OFF Point Main PCB Resistance of R-sensor Mid ON/OFF PointError Display Basic Model LED Display of Inner ControlRT-S Error Code Contents Dispenser Model Cled Display of Front PCBBasic Model Dispenser Model Eierror Basic Model Inner Control Summary of FunctionDispenser Model Front PCB Back up Function Basic Model Automatic Icemaker Dispenser ModelStart Ice separating drop mode Dispenser Control Function Lamp Water S/V Basic Model Dispenser Model Power Circuit DiagramCircuit Operation ※ Voltage of every partFunction of Each Sensor MicomDispenser Model Relay Function How it worksIC8 Fan Function Diagram Wiring DiagramDispenser Model Circuit Diagram of Main PCB Page Dispenser Model Page Front View Dispenser + Home bar Model Component Locate WiewInner View Evaporator Machine CompartmentDisassembling Procedure HOW to Check Each PartsHose Ice Maker Tube Assembly How to check Hose Ice Maker Tube AsBracket Geared Motor Assembly How to Check Hose Ice Maker Tube AssemblyDispenser Micro Switch How to Check Micro Switch88 ~ DC 12V,1.5W Dispenser Solenoid Valve▷ Good 215Ω±10% SOL2003-01B 193 ~ 236Ω ▷Check Change Flap Heater ASMain PCB Check Point RemarkCompensation Used when making R-temp. down Ice Maker ▷ Remove 2 screws on top front of ice makerBlue Circle How to Check Ice MakerIce Dropping Motor ▷ Good RS-360RH-14250 ~ 14Ω On CloseTrouble Diagnosis Faulty Start F/R lights OFF , F-PCB Power OFF※ How to replace Front PCB Start4th pipe from buttom Freezer CompartmentDefrost Heater 192W 252 Ω Removing and replacing Freezer parts Removing and replacing Freezer parts Defrost Heater Ice Formation on F-Louver Start Light cover Disconnection / breaking of Freezer Lights Wires StartSwitch to pull forward Cover and pull forwardRefrigerator Compartment Change the light Disconnection / Breaking of Refrigerator Lights Wires StartRemove screws of light cover Hold the bottom Cover and pull BulbsDoor is open too long ? Sensor is OK ? Removing of Check Valve +screw driverOperation Noise of Refrigerator Page Troubleshooting of Evaporator Sound Attach a absorber on point ③ accumulatorFan Noise Start Fan is damaged Or transformed ? Troubleshooting of Fan Noise Pipe Noise Start Door Contents Tools Cooling Cycle Heavy RepairUse special parts and tools for R-134a or R-600a Precautions During Heavy RepairBe sure to replace drier when repairing pipes Drier part with a nipper and then cut low pressure sidePractical Work for Heavy Repair Remove residual refrigerant more than 5 minutes later afterAn evacuated bombe To the low pressure sideClose valve ① Be sure to chargeTake a leakage test on the welded or suspicious area with an Electronic leakage testerBrazing Reference Drawings HighLow Compressor Suction PipeDimensions including Door Handles Installation GuideInstallation Preparation Width*Depth*Height 903mm X 734.5mm X 1790mmIf the refrigerator can not enter the door ※Remove front bottom cover first, if it is attachedReplacing Freezer Door Refrigerator Leveling & Door Adjustment Case freezer door is lower Than refrigerator doorJoin connector to water tap Get ready to install water line Leave a sufficient distance when cutting the tubesConnect water tube Remove any substance from filterAttach the filter box 2Insert the fastening ring into the Water tubeDispenser Water Flow Cabinet Machine Room / Eva Part Refrigerator Room Freezer Room Freezer Door Refrigerator Door Reference