Samsung RM255BASB, RM255BABB manual Forced Defrosting Function, For the R compartment

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OPERATING INSTRUCTIONS & INSTALLATION

1)Forced Start Operation Function

1-1) Forced start operation is selected if the test key is pressed once while in the test mode. At that time the buzzer executes an alarm by making a beep sound.

2-1) If forced start operation is selected , then COMP. operates immediately without a 5 minute delay, regardless of operating mode. If it is during defrosting, defrosting shall promptly stop.

3-1) If forced start operation is selected, then the COMP. and F FAN perform a PULL-DOWN operation for 24 hours while the R compartment is controlled by the set temperature.

4-1) The forced start operation is performed continuously performed until completed, canceled or converted to an other mode (forced F, R, CF, CR defrosting).

5-1) If the forced start operation is selected , then along with it, a automatic selection is made for the F compartment

”-13

and for the R compartment “33.8

These settings are not changed (maintains “-13

and “33.8

)

even if forced defrosting or test cancellation is selected after more than 1 minute elapses under the condition

 

where forced start operation has been selected Nevertheless the setting are restored to the temperatures that

were set before the change to ”-13

and “33.8

if forced defrosting or test cancellation is selected before 1

minute elapses from the time when the forced start operation was selected.

6-1)If forced start operation is finished(24 hours), then F, CF compartment defrosting is executed regardless of previous condition.

7-1) Next, it proceeds normal defrosting opera according to CASE judgment, performing defrosting of the R compartment defrosting.

8-1) If randomly canceled during forced start operation (by cancellation mode), the COMP. ON time period during the forced start operation is also added to the accumulation to be considered for the defrosting period.

9-1) The power freezing and power refrigeration functions do not work during forced start operation. If any of these functions is selected, the LED display for the selected POWER function turns off spontaneously after approximately 10 seconds..

2)Forced Defrosting Function

1-1) If test button is pressed a second time, then R compartment / CR compartment defrosting is executed, and if the test button is pressed a third time, then simultaneous defrosting of F, CF, R, CR compartments is executed, and a beeping sound alarm is also executed.

2-1) The beeping sound alarm is executed until completion time of the heating and pause time.

3)Test Cancellation Mode

3-1) If the display panel is converted to the test mode and the test button is pressed once more, under the simultaneous defrosting condition, then defrosting of freeze and refrigeration partitions is canceled simultaneously to return to normal operation. Or if main power is turned on after turnoff, then all test functions are canceled.

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Contents RM255BARB RM255BASB RM255BABB Authorized Training Center Campuses Important Safety Notice Contents Precautionssafety Warnings Symbols Forbidden Product Specifications This operation instruction covers various models ManualAfter packing 386lbs Model SpecificationRM25 Electric Parts Specification SensorItems Specifications Model Dispenser Home BarElectric Components RunningPart Code Optional Material SpecificationsPhotograph Operating Instructions & Installation Temperature Control Operation Digital PanelPower cool Operation Power Freeze and Power cool OperationPower Freeze Operation By in inside function irrespective of current settingAble to operate on front panel At Initial Power OnLock Function Cube / Crushed / ICE OFF Selection FunctionLight Operation Machine Room F-Fan Motor Delay FunctionWater Dispenser Function Load Operation ConditionHorizontal position Interval about 880ms Initial OperationReverse rotation CCW Forward rotation CW Ice extraction Maximum torsion pointIce Extraction Function Water Supply FunctionIce-Making Function Water Supply TimeBold numerals indicate relevant ice tray steps Horizontality operation Arctic Zone Defrosting Function Defrosting period is fixed to 8 hours 53.6 62.6Operation Arctic Select Zone FunctionFunction Fresh Select Zone FunctionTest KEY Function Operation SpecificationTemp .8 ~ 44.6 of the Fridge compartment Operation startForced Defrosting Function For the R compartmentWhen water supply is finished, in the ice maker test mode Alarm FunctionCommunication Error Display Function Display Function at PanelOperating Instructions & Installation Self-Diagnostics FunctionSelf-Diagnostics Checklist BAD Item Trouble StatusSensor of R ErrorDefrosting CR SensorOn Error CF-FAN ErrorCR-FAN Error TroubleRelevant displays about load status is as follows Load Mode Checklist Load Item Load StatusLoad Condition Display Function Changing to Optional Mode Option Setting FunctionKEY Function Value ItemTemperature Change Table for the Freezer Compartment Change for freezer compartmentTemperature Change Table for the Refrigerator Compartment KEYMaker For Ice Maker CR Room Temperature Shift FunctionCase of basic model, the following items cannot be set Flow sensorDisassembly and Reassembly Removing the Front Leg Cover Door AssyRemoving the Freezer Door Removing the Refrigerator Door Liner on the right side of the rail To separate it Open the Fresh Select Zone DoorRemove two screws holding it to Reattaching the Freezer Door Reattaching the Refrigerator Door Levelling Open the Arctic Select Zone Door ZoneClose the filter cartridge cover Do not overtighten the compression Note nutWater line must be connected to drinkable water only Door Handle Door Sub PartsControl Panel Door GasketTempered Glass Shelf Refrigerator Door Light SwitchRefrigerator Light Plastic Drawers in the RefrigeratorDoor Bin in Freezer Freezer Door Light SwitchFreezer Compartments Plastic Drawer in FreezerFreezer Light Ice Dispenser Ice MakerTighten the screws 2 of the ice maker support Auger Motor Case Upper DuctworkPartition in the Freezer Screws Pull the upper part of the evaporator cover slightlyEvaporator Fan Motor Evaporator in FreezerIce-Maker Thermistor Freezer ThermistorThermistor cover Screw Water TankEvaporator cover in the Refrigerator Evaporator Fan Motor in RefrigeratorDuctwork Thermistor Thermistor cover Evaporator in FridgeRefrigerator Thermistor Fresh /Arctic Select ZoneTM ThermistorUpper Ductwork Sub-condenser Machine Compartment Electric BoxPCB-MAIN Assy Water SolenoidsRemoving the Arctic Select Zone Accessories Normal If power is not onStart Check at the Smps PBA Check Main PCB connectionIf the compressor doesn’t work normally Check connector for Contact failureExchange and repair COMP. Assembly Reference Perform forced defrosting for F R room one at a timeIf there is a trouble with self-diagnosissensor failure If the ambient temperature sensor has troubleHow To Check Temperature Sensing in the manual Check the soldering on the main PCB for Shorts & breaksIf Beep sounds continuously Start Alarm Sounds continuouslyrelated to the buzzerIf Ding-Dong sounds continuously Start Gasket, food etcBuzzer is broken - replace it If the buzzer doesn’t soundMain PCB is normal, buzzer is Normal Replace buzzer or panel PCBIt is a care Where the Panel PCB key isn’t selectedIf the panel PCB is not working normally Door Open 0V DC If fan motor doesn’t working normalyDoor S/W ConditionThese signals will be inputted into Micom Door Open DCIf Ice Cubed or/and Ice Crushed dont work normally If Indoor Lamp of Freezer/Refrigerator doesn’t light Replace Inside lamp Replace or troubleshoot Door S/WIf Water Drawer doesnt work normally Preliminary Check If Dispenser LED Lamp doesnt light Replace connector Wire and switchReplace connector and wire Failure of panel PCB itselfWiring Diagram Connector Arrangement Main Board Circuitschematic Diagram Conn Ector Arrangement SMP S Board Power BUS A voltage proportional to68.2 98.993.7 40.0 88.9 38.2 84.2 36.4 79.8 34.6 75.7 32.8 71.8 64.7107 IC75 Input IC75 Output FAN#18 GND0.8V Comparison in HIGH/LOW Speed Motor Drive Circuit DescriptionsPrinciple of Operation RemarksXAA 13-2 Q & a Problem Possible Causes What To Do Reference InformationProblem Possible Causes What To Do Small or hollow cubesSuction Pipe Additional InformationCompressor Sub-condenser Hot Pipe Dryer Step valve Freezer Refrigerator