Samsung RS2666, RS2544, RS2622, RS2777 manual If Crushed Ice/Cubed Ice doesn’t work properly

Page 57

Diagnostics

11-11) If Crushed Ice/Cubed Ice doesn’t work properly:

Start

The close condition on operation is subject to the freezer door.

NO

Is ice ejected?

YES

NO

Does ice in the ice tray exist ?

YES

1) Check the ice-ejector S/W.

Do you see Ice Stop on the digital panel?

NO

2) Check the door S/W.

3) Check the ice moving motor.

4) Check the cut of wire in the Ice

YES

moving Motor section.

1) Check the water hose for folding or

Cancel Ice Stop, select

fastening.

the Cubed/Crushed ice.

2) Check the ice-water-way and

What’s your selection

Crushed ice

solenoid value

between crushed and cubed?

3) Check the wires of ice-maker.

Cubed ice

Is the Crushed Ice extracted

YES

Cubed ice extracted

sufficiently?

Is the cube ice ejected sufficiently?

NO

Normal operation

NO

Normal operation

Does MICOM No. 25 turn 5V if

YES

Does MICOM No. 25 turn

NO

pressing Ice S/W?

NO

Failure of Main PCB and exchange it.

5V if pressing Ice S/W?

Does the voltage

YES

Failure of Main PCB. –Exchange it.

YES

of IC3 No. 18 turn 0V even in the ice

NO

S/W

OFF?

Does IC3 No. 18 turn 0V if

NO

Failure of Main PCB(IC3) and

pressing Ice S/W?

exchange it.

Measure both contact

YES

Failure of Main PCB(IC3) –

Measure both terminals of RY77

contact after the separation of CN70,

terminals of RY77 after the

exchange it.

CN71 connectors.

separation of CN70, CN71

Does the contact

connectors.

YES

shelf of RY77 relay turn 0Ω even in the

Does the

NO

power

OFF?

contact shelf of RY77 relay turn 0Ωif

NO

Failure of Main PCB – exchange.

pressing ICE S/W?

(The contact terminal of RY77

YES

Exchange of Main PCB(RY77

Main PCB is normal.

relay short failure.)

relay).

- - - Check other sections.

1) Check the wire between the

AUGER motor and main

Main PCB is normal.

PCB.

- - - Necessary to check other sections.

1)Check the wire between terminals of the AUGER motor and main PCB.

2)Failure of cube solenoid itself, or bad contact of the connector.

57

Image 57

Contents Model RS2544 RS2622 RS2644 RS2666 RS2777 Important Safety Notice Contents Multi-Flow System Door AlarmXtra SpaceTM Xtra FreshTMTo protect refrigerator in movement Cover using a screwdriver, and then disconnectWith the door closed, remove the upper hinge It does not fall on youModels NomenclatureCompany Name Product R Refrigerator Label LocationFreezer Refrigerator SpecificationsWarranty information Shelves and Bins Interior Views and DimensionsFreezer RefrigeratorDimensions of Refrigerator Inches Refrigerant Route in Refrigeration cycle Refrigeration Cycle and Cool Air Circulation RouteFreezer Evaporator Dryer Capillary TubeCool Air Circulation Freezer Refrigerator Refrigerator Disassembly Mechanical DisassemblyFreezer Disassembly PlasticWire Drawer in Freezer······························Door Handle Control PanelBeverage StationTM Door GasketRefrigerator Light Refrigerator Door Light SwitchTempered Glass Shelf Plastic Drawers in RefrigeratorUpper Ductwork Water FilterEvaporator Cover in the Refrigerator Evaporator Fan MotorRefrigerator Thermistor Evaporator in RefrigeratorCoolSelect ZoneTM Thermistor CoolSelect ZoneTM ThermistorPlastic Wire Drawer in Freezer Freezer Door Light SwitchDoor Bin in Freezer Freezer ShelfDisconnect the ice maker wire connector Ice maker is located inside of the ice dispenser assemblyAuger Motor Case Unlock the locking tabs to separate the ice maker kitEvaporator Cover in Freezer Freezer LightFreezer Thermistor Evaporator in FreezerAmbient Thermistor Ice-MakerThermistorWater Solenoids Machine Compartment ＆ Electric BoxCondenser Fan Sub-condenserOperation Function Digital Panel Temperature Control FunctionQuick Ice and Power Cool Functions Power FreezeQuick Ice functionChild Lock Function Fan Motor Delay Function of the Machine Compartment Ice & Water Dispenser FunctionCoolSelect ZoneTM Function RS2666,RS2777 Water Filter Indicator Function Filter IndicatorIce-Maker Function Initial Operation function Preparation of Ice-makerJudgement Remark ·MICOM PortDefrost Function Water Supply functionHeater on Heater OFFDefrost operation Self-Diagnostics Function Beeps will cease immediately when the doors are closedSelf-Diagnostics in the initial Power on Sound FunctionError items of self-diagnostics ErrorFunction error Error items LED Display Details RemarksThis mode, only the display LEDs for temperature will be on Restoration Function for Power OutageLoad Operation Check Function Set Point Shift FunctionTable of Set Point Shift Function Shift the freezer temperature sensorOperation Function Shift the Ice maker temperature sensor Shift the CoolSelect ZoneTM temperature sensorCircuit Descriptions Reset Circuit Source Power CircuitOscillator Circuit TerminalDoor S/W Sensing Circuit Temperature Sensing CircuitMicom ChangeDEF-sensor and Bimetal work in parallel Key Scan and Display CircuitKey Scan and display operation Key Scan CoolSelect ZoneTM Panel Circuit Fan Motor Bldc Drive Circuit Motor drive circuitVoltages between high-speed and low-speed Option Circuit Eeprom CircuitLoad Drive Circuit D602COMP. equivalence circuit of drive section If power is not on DiagnosticsStart NormalIf the compressor and cooling fan motor don’t work normally AssemblyCheck after a lapse of 5 min ConnectionIf defrost function Exchange and troubleshoot Corresponding sensorPerform forced defrosting for F Room at a time If there is a trouble with self-diagnosis If the temperature sensor of F and R room has troubleIf the ambient sensor has trouble Start Check if the iced solder of main PCB is ShortIf Ding-Dong sounds continuously Start If alarm soundIf Beep sounds continuously Start Remove causes afterWithout sound of buzzer operation Start Main PCB is normal buzzer normalDisplay’ ZoneTM panel If the panel PCB is not working normallyConnections of door S/W If fan doesn’t work ReferenceDoor open DC Door closeIf the lamp of CoolSelect ZoneTM is not lit Start If CoolSelect ZoneTM isn’t operated normally RS2555, RS2577If the Panel PCB key isn’t selected Panel PCB has trouble for itselfIs the inside lamp filament cut? If the lamps of freezer / refrigerator does not lightCheck the operation of SSR71 and Q701 If Crushed Ice/Cubed Ice doesn’t work properly Safety Instructions on Service DC 0V Stop Condition Appendix ⅠReference for circuit diagnosticsResistance value ∼DC 12V load working conditionValue Contents For safety, you must turn the power off LoadRef Check a load Ref. Def heaterLamp Lamp on the REF Ref Check Door S/W834 878791 749Part Name Specifcation ’TY Ref Service part lists of each circuit boardPage Page Refrigerator Division 2003 Code DA82-00001D Electronics