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LRSC26960xx Service Manual

1. o A A NICE MAKER MOTOR gt n 9f R DOOR 9 j SWITCH MAGIC ROOM SENSOR MAGIC ROOM D PK BO BOX FAN MAGIC ROOM M STEPPING MOTOR HEATER SHEET DAMPER TROPICAL ZONE HEATER MAGIC ROOM DISPLAY CON F DOOR BO SWITCH BL YL RD BK GY WH Qu PR HEATER SHEATH FUSE MELTING 72 C HEATER PLATE DISP WH N XUGER MOTOR 12 OR WH N STEPPING M SOLENOID CUBE MOTOR CORRE WH N WATER DISPENSER wan Bu R2 SENSOI o n DISP LAMP R R1 SENSOR R DOOR OPEN OPEN PERCEPTIO HEATER SHEET DAMPER WH N 6 CR SOLENOID DISPENSER PWB ASSEMBLY DISPLAY LINEAR LP
2. 12 PAMPER HEATER a gis et R DOOR S W p im IE gus Eun Aw ves 50 AI X 7 em R2 SENSOR 18 9 STEPPING TMP8S7C8B4I1N CON10 ern 2 3 A 7 MAGIC ROOM re pes Lig 9 MAGIC ROOM ANA I m ee SENSOR Es v 1 10 1 4565 m CUNI01 D104 1 ls dul gt uje Diz 3 D101 s pis 20 H phu 4 a 88 48 ne Ps2 4 Do pe 716 M ib om GAS 67 M oop RN E 415 2 4 oos RN E b 2 a A Def 3 2 PWB ASSY DISPLAY rm ge vw wee CUT See Bol 28 25 OPTION hs a curi m 1 eS aw jort 10K RB2 10K 44 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 1 Operation Principle 1 1 Operation P
3. HIC201 P 0204 R201 1 4 R212 A106 21 BOKF 2 126 12 current sensing 6 R202 CC203 P62 AIN2 VASS 14 300KF 10 current filter 102 5 3 7 PA2 SDA SO m 16 cm P41 SCL SI R203 104 P66 AIN6 0 1F 3W 1 5 22 r Rais erie P67 AIN7 SU 18 PA3 STOP INTS 0201 current protect 1218 20201 R214 CC204 6 m 3 9V 1 2W 10 T 103 104 N z 150 0 5 2 25 201 TRAIC201 current peok 5 PetAINT 5 Current Sensing CE206 R229 A 1 R206 330uF 10KF 11 16V motor voltage 140KF 0 5W current phase 4 8 PGA AIN4 2 24 R230 L P15 E motoer voltage g i 49 stroke phose P10 INTO R208 13 input phase 6 15 R210 1M protect reset P40 SCK 140KF 0 5W 17 P 15 26 COMP Triac Control OLP 20 Am um zero crossing P11 INT1 Zero Crossing 9 19 104 T ig 1 12V XOUT 9 x protect S pes AINS FULL MODE 5 D206 7 2 1N4148 P63 AIN3 Triac Voltage XIN POWER MODE jg 999807 E SI 7 RY202 D203 R209 l 184007 Me SEDE SES G5SB 14 gt i pem AINO Input Voltage ce201 zz P2218 3 220uF 1 27 16V id CONDENSOR 450Vac 15uF RY201 A G5SB 14 23 p14 ae
4. 47 Assembly Duct Detailed Drawings 96 EXPLODED VIEW FREEZER DOOR PART Optional part EXPLODED VIEW REFRIGERATOR DOOR PART Optional part 98 EXPLODED VIEW FREEZER COMPARTMENT Optional part 99 EXPLODED VIEW REFRIGERATOR COMPARTMENT Optional part 4 140B EXPLODED VIEW ICE amp WATER PART Optional part 101 EXPLODED VIEW MACHINE COMPARTMENT Optional part 102 EXPLODED VIEW DISPENSER PART Optional part 103 LG Electronics Inc P No 3828JD8589G MAR 2004 Printed in Korea
5. P M 97 REPLACEMENT PARTS LIST 104 WARNINGS AND PRECAUTIONS FOR SAFETY Please observe the following safety precautions to use the refrigerator safely and correctly and to prevent accident or injury when servicing 1 Be careful of an electric shock Disconnect power cord from wall outlet and wait for more than three minutes before replacing PWB parts Shut off the power whenever replacing and repairing electric components 2 When connecting power cord please wait for more than five minutes after power cord was disconnected from the wall outlet 3 Please check if the power plug is pressed by the refrigerator against the wall If the power plug was damaged it could cause fire or electric shock 4 If the wall outlet is overloaded it may cause a fire Please use a dedicated circuit for the refrigerator 5 Please make sure the outlet is properly grounded Particularly in a wet or damp area 6 Use standard electrical components 7 Make sure hooks are correctly engaged Remove dust and foreign materials from the housing and connecting parts 10 11 12 13 14 15 Do not fray damage run over kink bend pull out or twist the power cord Please check for evidence of moisture intrusion in the electrical components Replace the parts or mask with insulation tape if moisture intrusion was confirmed Do not touch the ice
6. Failure code indication part Product operation status in failure No Item Freezer Refrigerator Contents of failure Freezing Cooling Defrost Stepping ig ty gc Compressor BLDC motor BLDC motor Heater motordamper 1 Abnormal Er FS Freezer sensor short circuit ONfor 15minutes Standard freezer sensor OFF for fSminutes 2 Abnormal aa Er rS Refrigerator sensor1 short circuit O Standard O O Full opening for sensor 1 R1 RPM 10 minutes Upper part in the Full closing for refrigerator 15 minutes compartment 3 Abnormal du Normal display Refrigerator sensor2 short circuit O Standard O O O sensor 2 R2 Note 2 RPM Middle part in the refrigerator compartment 4 Abnormal defrost Er dS Abnormal short circuit O Standard O No defrost O sensor RPM 5 Failed defrosting Er dH Defrost heater temperature fuse short O Standard O O circuit unplugged connector indicated RPM 4 hour later after trouble 6 Abnormal freezing Er FF Motor defect hooked of lead wire OFF O BLDC motor to fan contact of structures with fan short or open of lead 7 Abnormal cooling Er CF wire there is no signal of BLDC Standard OFF BLDC motor motor more than 115 seconds in RPM operation of fan motor 8 Communication Er CO Short or open of lead wire O Standard O O O Errors connecting between main PCB RPM and display PCB transmission tr and receiving part 9 Abnormal Normal display Ambient sen
7. 47 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 2 5 Function TEST 1 This is a compulsory operation for TEST SVC cleaning etc It is operated by pressing the water supply control KEY for 3 seconds 2 It operates in the Icemaking mode but not in the Ice Removing mode or water supply process If there is an ERROR it can only be checked in the TEST mode 3 If the water supply control KEY is pressed for 3 seconds in the Icemaking mode no matter what condition the Ice Making tray is in the Ice Removing operation starts immediately Water is not yet frozen so water is poured instead of ice If the control doesn t operate normally in the TEST mode check and repair as needed 4 After water is supplied the normal CYCLE is followed Icemaking Dump Fill Park Position 5 When Stage 5 is completed in the TEST mode minimize MICOM in 5 seconds the time needed to supply water resets to the previous status in the TEST mode Diagnosis TABLE STAGE ITEMS INDICATOR REMARKS The heater will shut off after fire seconds if 1 HEATER the temperature is 50 F or if the cube detector is in the up position Five seconds after heater starts you 2 MOTOR confirm that the motor is moving Ex You can confirm Hall IC detection of position 3 HALL IC detection of position I Two seconds after detection of initial 4 VALVE
8. 48 CUR QUIT eA 49 LINEAR 50 ERR OHIO OH AME P n nionem 50 DRIVING AND OPERATION 2 edt mee eaedem tet na Sin e e 51 PROTECTION 2 eB tesi eue utettetu due owe eme pies 51 TROUBLE DIAGNOSIS OF LINEAR 5 52 53 TROUBLESHOOT ING tenete ome n ei ee en d ederet 53 hoo Rega munie enn est oi ata eee cer ote tee aie 63 COOLING CYGLE HEAVY REPAIR ei Rie RR Eee do accio t Lee Eus 80 HOW TO DEAL WITH CLAIMS UU EUREN RD Demi en 87 HOW DISASSEMBLE AND insana insana tussis saam assa assa asa asas asa 92 DOOR ket airs ik Geel dedans inuenio eue 92 HANDBEE 93 FAN SHROUD GRILLE etenim 94 qnid do de t a A ats 94 DISPENSER edes iei cepa dee 95
9. 2 4 Cooling Problems Causes Checks Measures Remarks High Refrigerant leak Check sequence Weld the leaking part recharge the Drier must be replaced temperature 1 Check the welded parts of the refrigerant in the freezer compartment drier inlet and outlet and drier auxiliary in the compressor compartment high pressure side 2 Check the end of compressor sealing pipe low pressure side 3 Check silver soldered parts Cu Fe Fe Fe 4 Check bending area of wire condenser pipe in compressor compartment cracks can happen during bending 5 Check other parts compressor compartment and evaporators in freezer compartment Shortage of refrigerant Check frost formation on the surface of evaporator in the freezer compartment If the frost forms evenly on the surface it is OK If it does not it is not good Find out the leaking area repair evacuate and recharge the refrigerant No leaking remove the remaining refrigerant and recharge new refrigerant Drier must be replaced SISONSVIG 218 99 Problems Causes Checks Measures Remarks High temperature in the freezer compartment Cycle pipe is clogged Check sequence 1 Check temperature of condenser manually If itis warm OK If itis not compressor discharging joints might be clogged 2 Manually check whether hot line pipe is warm If itis war
10. contact Shroud burr contact Damping evaporator contact Residual frost contact TL Damaged heater cord Narrow evaporator interval Sounds from fan Fan guide contact Unbalance fan sounds Unbalance Surface machining conditions r Fan distortion Misshappen Burr Ice on the fan Air intake opposite to motor bushing assembly Motor shaft Supporter disorted contact sounds Tilted during motor assembly Resonance Evaporator noise Evaporator pipe contact No damping evaporator Sound from refrigerant Stainless steel pipe shape accumulator Sound from fin evaporator and pipe during expansion and contraction 3 Bowls and bottles make contact on top shelf 4 Refrigerator roof contact 5 Refrigerator side contact 6 Insufficient lubricants on door hinge 60 TROUBLE DIAGNOSIS 9 Faulty internal voltage short 3 Bad lamp socke 15 m Disconnection Bad soldering Bad rivet contact Short 4 Door switch Water penetration Low water level in tray r Bad elasticity of contact Bad contact corrosion Defective Refrigerator and freezer switches are reversed I Travel distance Bad connection Bad terminal contact Adiabatics liquid leak 1 Lead wire is damaged
11. Not tightly fastened Screw wom out Weak gasket Adhesion surface adhesion Fixedtape Not well fixed Noise during Hinge interference Bigger door foam operation Hinge Pin tilted Poor flatness No washer No grease Malfunction Not closed Interference between door liner and inner liner Refrigerator Stopper worn out compartment is r Bad freezer compartment door opened when freezer assembly compartment is No stopper closed faulty stopper 2 Odor m Temperature of High Faulty damper control refrigerator Button is set at weak compartment Door is open interference by food M Deodorizer 4 No deodorizer Poor capacity 62 9 2 Faults 2 1 Power Problems Causes Checks Measures Remarks No power on Power cord cut Check the voltage with tester Replace the components outlet Faulty connector insertion Check visually Reconnect the connecting parts Faulty connection between plug and adapter Check visually Reconnect the connecting parts Fuse blows out Short circuit by wrong connection Low voltage products are connected to high voltage Short circuit by insects Electricity leakage High voltage Short circuit of components tracking due to moisture and dust penetration Check the fuse with tester or visually Check the inp
12. amp gt MOTOR DAMPER HEATER HEATER ON C FAN DAMPER MOTOR ON OFF ON ON ON Test mode 1 The refrigerator will return to Compulsory TEST OTHER COMP REAN 03 R STEP 03 pim normal operation function SWITCH LOAD sec MOTOR sec DAMPER PRESS e FAN gt DAMPER MOTOR if you press the 4 Once ON CLOSE test switch once D again while in 2 Test Mode 2 or if the temperature e of the defrost Compulsory 0 3 0 3 03 TEST COMP F FAN FROST R STEP sensor surpasses defrost SWITCH sec amp Sec REMOVAL sec MOTOR 41 F 5 The PRESS OFF C FAN HEATER DAMPER compressor will 2 Times OFF ON CLOSE run after the 7 minute delay 17 MICOM FUNCTION 2 16 Failure Diagnosis Function 1 The failure diagnosis function makes servicing simpler by indicating the area of a failure while the product is in operation 2 When the appliance enters the failure mode pressing buttons has no effect on the operation of the appliance 3 If the error clears itself the MICOM will reset and the appliance will operate as usual 4 The failure code will be displayed as indicated in the drawings below All other graphics and displays will be turned off ICEBEAM COOLING FAILURE CODE INDICATION PART ren DT ROOM TEMP O Proper operation
13. 1 Display Panel ICEBEAM 1171 DHL COOLING IF 01 07 ROOM TEMP EXPRESS JETFRZ DISPENSER FREEZER REFRIGERATOR FILTER LIGHT LOCK Express Freezer Jet Freezer Dispenser and Button function selection button Lock button Dispenser selection Dispenser Lamp On Off button button Filter status display RESET button Temperature adjustment button Temperature adjustment button for freezer compartment for refrigerator compartment 2 User Controls 2 1 1 Temperature Selection Division Power Initially On 1st Press 2st Press 3th Press 4th Press 5 5 5 5 5 Setting 4 4 4 4 4 temperature 3 3 3 3 2 2 2 2 2 1 1 1 1 1 Temperature Medium Medium Cold Coldest Warmest Medium Warm Control Freezer Control 2 F 5 F 8 F 7 F 4 F pa A 37 F 34 F 32 F 46 F 41 F Control The temperature can vary 3 C depending on the load condition Pressing the button cycles through the temperature settings in order Medium gt Medium Cold gt Coldest gt Warmest gt Medium Warm e The actual inner temperature varies depending on the food status as the indicated setting temperature is a target temperature not the actual temperature within the refrigerator A newly installed refrigerator will take 24 hours minimum for temperatures to stabilize The temperature should be checked and adjusted as necessary after 2 or 3 days 10 MICOM FUNCTION 2 1 2 LCD
14. 1 5 2 7 F 18 2 3 6 18 1 0 1 8 12 kQ 1 1 8 F 12 0 5 0 9 F 10 0 0 F 10 0 0 F Reference temperature 8 2 1 C 1 8 F 8 2 0 5 C 0 9 F 5 6 KQ 2 3 6 5 6 KQ 1 0 1 8 F 3 3 kQ 3 5 4 F 3 3 KQ 1 5 2 7 F 2 kQ 4 7 2 F 2 KQ 2 0 3 6 F 470Q 5 9 F 470 2 5 4 5 F Cooler u Temperature compensation table by adjustment value difference value against current temperature Ex If you change compensation resistance at a refrigerator RCR1 from 10 current resistance to 18 modified resistance the temperature at the cold storage will increase by 1 C 1 8 F 32 EXPLANATION FOR MICOM CIRCUIT u Temperature compensation table at the refrigerator is as follows Modification 22 4700 2kQ 3 3 5 6kQ 2kO 10kQ 12kO 18kQ 33kO 56kQ 180 resistance No 0 5 1 1 5 C 2C 25 3C 357 4 45 5 4700 0 9 F 1 8 F 2 7 F 8 6 F 4 5 F 5 4 F 6 3 F 7 2 F 8 1 F 9 F change Up Up Up Up Up Up Up Up Up Up 0 5 C No 0 5 1 C 1 5 C 2 25 3 3 5 47 45 2kQ_ 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F 5 4 F 6 3 F 7 2 F 8 1 F Down cha
15. Resistance of tester Q Compare P and lavel capacity Tolerance 7 Faults replace How to replace Refer to main parts SISONSVIG 218 89 Problems Causes Checks Measures Remarks No defrosting Melting fuse blows 1 Lead wire is cut 2 Bad soldering Check melting fuse with tester If OQ OK If wire is cut Faulty parts parts replacement Check wire color when measuring resistance with a tester Ice in the Suction duct 1 Icing by foreign materials in the duct 2 Icing by cool air inflow through the gap of heater plate 3 Icing by the gap of heater plate 1 Check the inner duct with mirror 2 Check by inserting soft copper wire into the duct soft and thin copper not to impair heating wire 1 Turn power off 2 Raise the front side door side support the front side legs and let the ice melt naturally If power is on melt the frost by forced defrosting 3 Reassemble the heater plate Bad cool air inflow and discharge and bad defrosting due to faulty contact and insertion bad connector insertion into housing of heater melting fuse and motor fan Turn on power open or close the door check that motor fan operates If it operates motor fan is OK 2 Disconnect parts in the refrigerator compartment check the connection around the housing visually defrost and confirm heat generation
16. 0020609 R UR FIXED OK OHM 174 5 007 SMART CHOYANG 121 DRN4303H409 R OR FIXED 0000 OHM WIZ MART CHIYAN R206 210 2 Wer 403H409 RESTSTOR FIXED 40000 DAM 172 17 52 SMART CHOYANG 206 210 122 R UK OHM 174 W 17 52 SMART CHOYANG Revol 123 DRNB8002G409 R 80000 174 IZ 52 SMART CHUYANG Reol 124 05051020409 R OR FIXED OHM 174 V iz TA MART CHUYAN R21 I 24 N30026409 RESTSTOR FIXED OK OHM 174 V 17 52 SMART CHOYANG R213 125 409 RESISTUR F IXED UK OHM 174 1 00 TASE SMART CHUYANG Reeg 126 PRN8251G409 RESISTOR FIXED 8 25K OHM 1 4 W 17 52 SMART CHOYANG R230 231 Wes DRNIE 409 R 6 5K OAM 174 W 17 R230 127 DRN7001G409 RESISTOR FIXED 7K OHM 1 4 W 1 TAS2 SMART CHOYANG R214 1 8427 PRN1002G409 RESISTUR F IXED 10K OHM 1 4 W 17 TASe 5 R214 1 128 10040409 RESISTOR FIXED 1M OHM 1 4 W 1 00 TAS2 SMART CHOYANG Re09 1 129 pDRD1001G609 RESISTUR F IXED 1K OHM 1 4 W 5 007 52 5 Ree 1 130 pRD1000G609 IRESISTOR FIXED 100 DHM 1 4 W 57 52 SMART CH YANG R70 131 PRJ1200E672 RESISTIR METAL 190 DHM 1 8 V 5 2012 R TP R6 1 132 PRJ1200E672 RESTSTOR METAL 120 DHM 1 8 V 57 2012 R TP R6 1 133 10001 622 RESISTOR ME TAL 100 UHM 1 8 V 2012 5 00 D RLIHM R20 1 134 DRJ1001E672 RESISTDIR METAL 1 OHM 1 8 57 2012
17. 020 Q206 KRI M CDN2 1N4148 C106 0202 0203 KRC106M KRC106M 23 EXPLANATION FOR MICOM CIRCUIT 1 5 Communication circuit between Main MICOM and Drive MICOM This circuit carries ON OF information between the main MICOM IC1 and the linear compressor drive MICOM IC201 based on information from the damper closed door open closed and room temperature sensors and the compressor protection circuit If there is a communication breakdown the compressor is turned off and error code Er Cd is displayed MICOM IC1 201 47 48 24 25 Status Success IV 4V Fail OV or 5V 209 R10 2 R234 10K TLP721 330 1 4 CC9x R233 Q205 102 4 7 KRC106M 2 25 16 201 R12 Q1 KRC106M H e 4 7K 48 p47 24 EXPLANATION FOR MICOM CIRCUIT 1 6 Load dispenser operation door opening circuit 1 6 1 LOAD DRIVING CIRCUIT 1 In even if opening the door of cold storage room during operation of fan motor at the freezing room this circuit does not operate In addition if closing the door of cold storage room the fan motor normally operates at the RPM previously operated 2 A B C and D of door switch for the freezing room of cold storage room are connected to the
18. 3 If all the doors of freezing cold storage room or home bar are closed during door open alarm alarm is immediately released 2 11 Ringing of button selection buzzer Doors of freezing cold storage room Closing Opening Closing Opening Closing or home bar 3 Times 3 Times 3 Times 3 Times BUZZER i i 4 4 4 Within A minute 90 30 30 a minute Seconds seconds seconds 1 The DING sounds if you press any button on the front display 15 MICOM FUNCTION 2 12 Automatic Defrost Signal 1 The beep will sound if you press the test button on the main PCB 2 The regular cycle sounds three short beeps one second apart 3 When you select the automatic defrost cycle the alarm sounds three series of three short beeps one minute apart 2 13 Defrost Function 1 Automatic defrost is performed whenever the compressor run time totals 71 2 hours 2 At initial power up the defrost cycle will run when the total compressor runtime is 41 2 hours 3 Defrost is completed when the defrost sensor temperature rises above 41 F 5 C during the defrost cycle The defrost cycle will terminate if the defrost sensor temperature does not achieve 41 F 5 C within two hours 4 The defrost cycle will not operate if the defrost sensor fails 2 14 Refrigerator compartment lamp automatically off The refrigerator light is turned ON and OFF by the refrigerator door switch If the refrigerator lig
19. 6630 05706 CONNECTOR CIR YY W396 64V lt 6P 4 EON HO 1 6 6630 01111 CONNECTOR YW396 11 3 96MM YW396 11AV 11 2 4 6 8 10 YEON HO CON4 7 6630 02707 CONNECTOR YY W396 07AV 7P 2 4 6 EON HO CON4 1 8 6630 02609 CONNECTOR CIR lY W396 09AV 9P 2 4 6 8 CDN2 1 9 6630 02707 CONNECTOR CIR 3 96 07 7 2 4 6 EUN 5 10 6630AQ9106A CONNECTOR YW396 03AVC3P 25 RED EON HO CONS 1 11 6630 01005 CONNECTOR 396 05 5 2 45 EUN HO CON3 1 12 6630JB8007N CONNECTOR CIR 917792 1 AMP 14P 2 5MM STRAIGHT SN AMP CON8 1 13 6630JB8007J CONNECTOR lt CIR 917788 1 10 2 5 STRAIGHT SN CON6 1 14 6630JB8007K CONNECTOR 917789 1 11P 2 5MM STRAIGHT SN AMP 10 1 15 6630JB8007L CONNECTOR CCIR 917790 1 12P 2 5MM STRAIGHT SN 11 1 16 6630JB8010A CONNECTOR CIR 917791 1 13P 2 5MM STRAIGHT SN CONSA 17 0IZZJB2030G IC DRAWING ITMP87C841N 64PIN SDIP CH PJT LINEAR NAESUJSHIBA ICI lt 0177 782030 2 I A7 0177 820305 IC DRAWING 4IN 64PIN SDIP BK CH PJT EXTRA ICT Z A17 01ZZJB2030W IC DRAWING ITMP87C841N 64PIN SDIP BK CH PJT LINEAR NAESUJSHIBA 1 18 OIZZJB2038S IC DRAWING ITMP87C809N 28PIN SDIP BK CH PJT EXTRA OSHIBA 201 01ZZJB2038T gt 19 0IZZJB2038Q A IC DRAWING ITMP87C809N 28 SDIP BK CH PJT LINEAR NAESU TOSHIBA IC201 0
20. WATER TANK SENSOR f AWP 1 IW 1 1 COMPRESSOR lt EARTH PART o o z 5 gt AMBIENT SENSOR D HEATER SHEET DUCT DOOR RUNNING CAPACITOR ele eol S lt 3854JD1095B 49 LINEAR COMPRESSOR 1 Mode The motors used in Linear Compressor have two modes power and full Full mode is used in normal operation and Power mode is used under extreme conditions such as initial start up or when items placed in the refrigerator raise the temperature significantly Mode switching is accomplished by a relay on the main PCB See Table 1 and Figures 1 amp 2 below Table 1 Operating Mode of Compressor Full Mode Power Mode Variable Cooling Full Cooling RT under 59 F Every condition except the over 95 F Variable Cooling and RT over 59 F Pull down Test Power Mode RT over 59 F 1st cycle after power on RT over 59 F 1st cycle after defrosting RT Room Temperature Fig 1 Schematic diagram of Linear motor Rac L Fig 2 Flows of electricity Full Mode LINEAR COMP COMPRESSOR EARTH PART COMPRESSOR EARTH PART 41 21 21 B RUNNING CAPACITOR 50 LINEAR COMPRESSOR
21. 4 5 5 sec co 5 6 sec Co HOW TO INSTALL REFRIGERATOR w WARNING Personal Injury Hazard Avoid contact with the moving parts of the ejector mechanism or with the heating element that releases the cubes DO NOT place fingers or hands on the automatic icemaking mechanism while the refrigerator is plugged in 3 2 Operation instructions A newly installed refrigerator may take up to 24 hours to begin making ice Icemaker Feeler Arm Cube Size Indicator Light Power Switch Water Supply Control Switch The icemaker will produce eight cubes per cycle approximately 120 152 cubes in a 24 hour period depending on freezer compartment temperature room temperature number of door openings and other operating conditions If the refrigerator is used before the water connection is made to the icemaker set the power switch to O off When the refrigerator has been connected to the water supply set the power switch to 1 on The icemaker will fill with water when it cools to freezing A newly installed refrigerator may take up to 24 hours to begin making ice cubes Throw away the first few batches of ice to allow the water line to clear Be sure nothing interferes with the sweep of the feeler arm When the bin fills to the level of the feeler arm the icemaker will stop producing ice It is normal for several cubes to be stuck together If ice is not used frequentl
22. Detection of position you can confirm that valve is on ICE FULL HALL IC Detection You can check whether hall is sensing Full 5 ice condition If there is an ICE FULL error of ICE FULL the fifth LED is not on 5 seconds after the last step is completed 6 Mark previous status on TEST mode the icemaker resets itself to its initial state 3 Defect diagnosis function 3 1 ERROR CODES shown on the Ice Maker water supply control panel NO DIVISION INDICATOR CONTENTS REMARKS 1 Normal Mark time to None Display switch supply operates properly Icemaking Make sure that the wire 2 Sensor Cut or short circuited wire on each sensor is malfunction connected When the ejector blades don t Defects of 3 Icemaker Kit pem return to the park position within HALL IC MOTOR malfunction 18 minutes after the dump mode HEATER RELAY starts STALLED EJECTOR ERROR indicators in table can be checked only in TEST mode 48 CIRCUIT CIRCUIT DIAGRAM DELUXE N NEUTRAL PWB ASSEMBLY MAIN CON7 PWB ASSEMBLY SUB BL F FAN FUSE TABI MOTOR BLDC v PR BEA BK a 250VAC 15A MOTOR BLDC GY TABS TAB2 QUICK FREZER ROMH BOX FAN F DOOR OPEN RD PERCEPTION RD B DEFROST SENSOR lay 20 F SENSOR TA
23. IC DRAWING TMP87CHZIF 80 0 BK CD2 CH PJT BASIC DLX TOSHIBA ICIOKC DE F2 5 12 m E E 1 1 1 1 015 002 IC STANDARD LOGIC 78 05 SUT 89 TP REGULATOR KEC 1 102 11 11101 14 OISTLKEO3A IC STANDARD LOGIC 1 7042 SUT 89 TP RESET IC KEC IC103 1 1 1 1 1 15 OIRH934600D CROHM BROSLC46RF W SUP BK EEPROM ROHM IC104 01 1 1 1 1 16 OISTLKEO04 STANDARD LOGIC KRAI06S 507 23 TP TRANSISTOR KEC Q108 5 5 5 5 51171 013 005 IC STANDARD LOGIC KRC106S SUT 23 TP TRANSISTOR KEC 0101 0105 2 2 2 21 2118 015 006 IC STANDARD LOGIC 1298 SUT 23 TRANSISTOR 0106 0107 XI EP es 5 St E 21 6212 5 0024 RESUNATUR CERAMIC 5750400 MURATA 4 2 0 57 TP 15 MURATA 05 101 E 3 E 2122 2 2 25 0 107 6 CAPACITUR FIXED ELECTROLYTIC 1000 MV 16V 207 R TP SMD SMD RUBYCUN CE101 CE102 aa 1 1 1 1 27 0CE476VH6DC CAPACITOR FIXED ELECTROLYTIC 47UF MV 25V 207 R TPGMD SMD RUBYCIN CE103 ees s s 8 8 8 29 OCKIO4DK94A CAPACITUR FIXED CERAMICCHIGH I00NF 2012 50V 807 207 R TP 5 MURATA CCI01 CC108 30 pt pr 1 1 22 08100066765 RESISTU
24. If the voltage is normal then it is OK explanation Defective defrost sensor parts Check the resistance of defrost sensor Replace defrost Refer to sensor with a tester sensor resistance characteristic table of circuit explanation Defective Buzzer Defective connecting lead wire from Check lead wire related to door Repair lead wire buzzer continuously main PCB to door switch switch with a tester rings or door Defective door switch parts Refer to door switch in parts repair Replace door switch opening alarm guide does not work Defective Buzzer does Key input wire is cut or bad connector Check input wire with a tester Reconnect lead Refer to display display button not sound terminal contact in main PCB and wire and replace or circuit in circuit and buttons do not operate display PCB connecting lead wire directly connect bad contact terminal to lead wire explanation Key is continuously depressed due to structural interference Disassemble frame display and confirm visually Adjust or replace interfering structures SISONSVIG 31sNnOdL 6 Problems Symptom Causes Checks Measures Remarks Defective Buzzer does Trouble mode indication Check trouble diagnosis function Repair troubles Refer to mode display button not sound indication in and buttons function do not operate explanations Door Buzzer Buzzer continuously rings or door opening alarm does
25. PCB Refer to single motor damper driving circuits in circuit explanation Foreign materials in Step Motor damper baffles Check Step Motor damper baffle visually Remove foreign materials Ice formation on Step Motor damper baffles Check if Step Motor damper Heater wire is cut with a tester Replace Step Motor damper or refrigerator control Box Assembly Defective refrigerator sensor Defective refrigerator sensor parts Check the resistance of refrigerator sensor with a tester Replace refrigerator sensor Refer to sensor resistance characteristic table in circuit explanation Refrigerator sensor is substituted for other sensor Check the sensor color in the circuit main PCB sensor housing Repair main PCB sensor housing Defective refrigerator sensor assembly condition Check if refrigerator sensor is not fixed at cover sensor but inner case visually Fix again the refrigerator sensor SISONSVIG 31sNnOdL 9 Problems Symptom Causes Checks Measures Remarks Bad defrost Defrost is not Defrost lead wire is cut Check if defrost lead wire is cut with a Reconnect Lead working tester Wire Defective defrost driving relay Check the voltage of CON2 1 and 7 Replace relay RY 7 Refer to load with a tester after pressing main and RY 3 or PCB driving conditions PCB test switch twice check in circuit
26. as before even heat is The capillary tube inserted depth Too much applied Drier clogging Capillary tube melts Over heat Clogged with foreign materials Desiccant powder Weld oxides Drier angle Reduced cross section by cutting Squeezed Compressor cap is disconnected Foreign material clogging Foreign materials are in the pipe 54 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 3 Refrigeration is weak 1 Refrigerant Partly leaked Weld joint leak Parts leak 2 Poor defrosting capacity r Drain path pipe clogged generate heat Inject adiabatics into drain hose penetration Defrost heater does not Parts m Inject through the hole Seal with drain Foreign materials Adiabatics lump input Damage by a screw or clamp Other foreign materials input Cap drain is not disconnected Plate disconnected heater Cord heater Wire is cut Heating wire Contact point between heating and electric wire r Dent by fin evaporator Poor terminal contacts r Wire is cut Lead wire Heating wire Contact point between heating and electric wire Heating wire is corroded Water penetration Bad terminal connection Check visually Check terminal Conduction OK No conduction NG If wire is not
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28. on the heater Do not put hands on the sheath heater 3 Check the parts which have faults described in 1 amp 2 mechanical model disconnect thermostat from the assembly 1 Check the faulty connector of housing and reassemble wrongly assembled parts 2 If the parts are damaged remove the parts and replace it with a new one SISONSVIG 3 18nO04 L 69 2 6 Icing Problems Causes Checks Measures Remarks Icing in the 1 Bad circulation of cool air Check the food is stored properly Be acquainted with how to use Check the defrost refrigerator Clogged intake port in the check discharge and intake port Sealing on connecting parts related parts if problem compartment refrigerator compartment clogged Check the damper and replace is caused by faulty Damper icing Sealing is not good Check icing on the surface of it if it has defects defrosting Pipe icing Too much food is stored and clogs baffle and cool air path pipe after Check defrost After forced Discharging the discharge port dissembling the container box defrosting check ice in the pipe icing Bad defrosting Check icing at intake ports of evaporator and pipes freezer and refrigerator compartment 2 Faulty door or refrigerator compartment Faulty gasket Faulty assembly Check gasket attached conditions Check door assembly conditions Correct the gasket attachment condit
29. push the new filter cartridge into the cover until it stops Ny If you can t turn the filter from side to side it isn t fully inserted Push it in firmly and twist it into place You will hear the snap when it clicks into place Using the handle twist the cartridge clockwise about 1 4 turn 3 After replacing the filter cartridge flush the water system by running water through the dispenser for about 3 minutes There may be a little air in the line causing noise or hissing Run water through the dispenser until the noise stops to purge the air from the system NOTE To purchase replacement water filter cartridges visit your local appliance dealer or parts distributor or call 877 714 7486 HOW TO INSTALL REFRIGERATOR 3 How to Control the Amount of Water Supplied to the Icemaker 3 1 Confirm the amount of water supplied to the icemaker 1 Pull out the ice bin shelf in the upper part of the freezer compartment Caution Do not put hands or tools into the discharge chute to confirm the operation of the geared motor It may damage the refrigerator or hurt your hands Water supply amount TABLE STAGE TIME TO SUPPLY INDICATIONS REMARKS 1 4 2 4 5 sec EL Co The water amount will vary depending E 1 on the Water Control Switch setting as 3 5 sec well as the water pressure in the connected water line ae
30. r Outlet burr in t Pressed by co 3 Faulty parts m Wire damage when assembling PTC Cover he bottom plate rd heater lead wire evaporator pipe 2 Exposed terminal r Compressor Compartment terminal Touching other components Freezer compartment terminal Touching evaporator pipe Transformer _ Coil contacts cover Welded terminal parts contact cover Compressor Bad coil insulation Plate heater Melting fuse Sealing is broken Moisture penetration Cord heater E Pipe damaged Moisture penetration Bad sealing Sheath heater CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 8 Faulty lamp 1 Lamp problem Filament blows out freezer and Glass is broken refrigerator 2 Bad lamp assembly Not inserted compartment Loosened by vibration E Connect conduction and non conduction parts and check with tester Conduction NG Resistancece OK 61 TROUBLE DIAGNOSIS Food Storage Seal condition Long term storage Others Odors from cleaners be stored a refriger Storage of fragrant foods or items which should not ator CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 10 Structure 1 Door foam appearance m Sag Hinge loose Bott is loosened during and others transportation
31. 1 33 kQ 7 2 F 6 3 F 5 4 F 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F Down Down Down Down Down Down Down Down change Up Up 45 4 3 5 3C 2 5 C 2 C 1 5 1 C 05 No 0 5 56 8 1 F 7 2 F 6 3 F 5 4 F 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F Down Down Down Down Down Down Down Down Down change Up 5 45 4 35C 3C 25 2 C 1 5 1 105 180 9 F 8 1 F 7 2 F 6 3 F 5 4 F 4 5 F 3 6 2 7 F 1 8 F 0 9 F Down Down Down Down Down Down Down Down Down Down change u Temperature compensation at the freezer is performed the same as at the refrigerator The value for the freezer is twice that of the refrigerator u This circuit enters the necessary level of temperature compensation for adjusting the appliance The method is the same for every model in this appliance family 33 EXPLANATION FOR MICOM CIRCUIT 2 Compensation circuit for temperature at freezer 70 AIN10 inr 10K H R78 10K ra 79 10K 3 R80 10K R81 10K R82 10K a 1JCR4 Temperature compensation in CUT JCR1 1 1 8 F mv 1 1 8 F JCR3 1 1 8 F 2 3
32. 10 P77 lt 2 AIN17 HEATER m RYS o o t 11 ALZI2B12 1C8y FUSE MELTING 9 KID65003AF 72 C o 07 9o 16 od 1 F LAMP 6 9 Vs CONS RYIO 655 1 F LAMP MUs H BAR HEATER n oq 15 vos DAMPER DUCT DOOR HEATER SHEET 7 1 1 IDG5003AF ak o 18 o lt 8 SH p52 RY12 es ED EXPLANATION FOR MICOM CIRCUIT 2 Dispenser operation circuit POWER CJ CON4 icar ay KD650034F AUGER MOTOR J 184004 15 o lt 10 poi PRS 2 I 34 DISPENSER SOLENOID 7 noo WATER RYB lee ALD112 1 o 8 al du TO ee E MICOM O 1uF 120 FF 7 250VAC pe da Lue 4 R20 5 16 E 100 IR 09 1 Check load driving status GEARED SOLENOID SOLENOID ofLoad MOTOR CUBE DISPENSER Measuring point IC8 NO 15 IC8 NO 14 IC8 NO 13 IC8 NO 13 E ON Within 1 V tat OFF 12V 2 Lever Switch sensing circuit Measuring point IC1 Micom No 16 Lever S W 5V On Press 60 Hz OV OFF 5V 26 EXPLANATION FOR MICOM CIRCUIT 3 Door opening sensing circuit CON7 P44 45 R
33. 2 Start Up and Operation Unlike the off on operation of a conventional compressor the start up of a linear compressor requires 1 1 2 to 2 minutes to reach maximum cooling capacity This reduces noise and vibration The controlled stroke and speed of a linear compressor also provide a variable cooling capacity Then following graph compares the start up operation of linear and conventional compressors Linear Compressor Reciprocation Compressor Starting Area Driving Area Time 3 Protection Logic Protection logic is used to shut down the compressor to protect if from sudden changes in the operating environment An occasional triggering of the protection logic will have no effect on the cooling capacity of the refrigerator but frequent stops will affect cooling ability and require a check of the compressor and the PCB 3 1 High Current Protection High Current triggering of the protection logic can be caused by compressor damage over charged refrigerant a faulty Main PCB or cycle clogging a If the current into the compressor exceeds a set limit the MICOM is programmed to shut the compressor off a software protection The compressor can be restarted after 7 minutes b There is also a hardware high current protection in which the MICOM forces the compressor On Off relay to open In this case the compressor can be restarted after 5 minutes 3 2 High Voltage Protection A sudden increase in voltage gt 7 during
34. 40W 4 EA REFRIGERANT R134a 1859 61 2 oz DISPENSER LAMP 15W 1 EA LUBRICATING OIL FREOL 9106 320 cc 1771 mm 6911 46 in 1741 5 mm 689 16 in 1746 5 mm 683 4 in 1771 mm 6911 16 in Front View 1004 mm 391 2 in i 908 mm 353 4 in 1261 mm 495 in 829 mm 325 8 in 897 mm 355 16 in PARTS IDENTIFICATION Ref No GR L267ATBT Frame Display Dispenser Lamp Ice amp Water Dispenser Button Door Rack Automatic Icemaker Lamp Shelf Door Rack Drawer Wire Plastic Door Rack Lower Cover PWB Cover Water Tubes 0000000000 Freezer Refrigerator Compartment Compartment Ti Bn age a cmm ge 204 NI 55 Um OptiChill Display Na udo Humidity Switch Water Filter Dairy Product Corner Lamp Shelf Can Server Grab and Go Egg Box Snack Drawer Shelf Bottle Guide Door Rack Vegetable Drawer OptiChill HOW TO INSTALL REFRIGERATOR 1 How to Align Refrigerator Doors W Level the refrigerator If the refrigerator is not installed on a flat floor the height of freezer and refrigerator door
35. 6 F JCR4 1 C 1 8 F l Compensation for weak cold Compensation for over cold Temperature compensation value Remarks JCR3 JCR4 JCR1 JCR2 at refrigerator 99 0 In shipment from factory SET 6 6 4 1 8 F 66 5 5 1 C 1 8 F O CYT 9 1 C 41 8 F 66 5 CUT 1 lt 41 8 F BUT CUT 9 6 9 2 3 6 F 9 99 CUT CUT 2 43 6 F CUT 6 5 0 C 0 F CUT 5 0 5 CUT 0 0 F CUT CUT 6 9 0 C 0 F CUT 9 CUT 0 C 0 SET SET CUT 5 1 C 1 8 F 1 C 1 8 F SET CUT CUT 0 C 0 F u This circuit allows adjustment of the set temperature for compensation by changing jumpers at locations JCR1 JCR4 EXPLANATION FOR MICOM CIRCUIT 1 13 Communication circuit and connection L Wire between main PCB and display PCB The following communication circuit is used for exchanging information between the main MICOM of the Main PCB and the dedicated MICOM of the LED LCD Display PCB A bi directional lead wire assembly between the two boards is required for the display to function properly Poor communication occurs if a continuous information exchange fails to continue for more than 2 minutes between main MICOM of main PCB and LCD LED dedicated MICOM for LCD LED control of display PCB Main PCB L Wire FD H 4 wires
36. 9 135 PRJ2001E672 RESISTOR METAL 2K OHM 1 8 W 57 2012 R TP ROHM 23 30 51 10 136 DRJ4701E672 RESISTOR METAL 4 7K OHM 1 8 57 2012 R TP ROHM R12 15 18 24 31 34 40 47 58 237 ee 137 PRJ1002E672 RESISTOR METAL 10K OHM 1 8 V 57 2012 R TP ROHM R36 43 52 559 57 75 82 221 228 2 138 PRJI004E672 RESTISTOR ME TAL 1M OHM 1 8 57 2012 R TP R13 236 4 139 PRJ3300E672 RESISTUR METAL 330 OHM 1 8 V 57 2012 R TP R1 37 44 60 1 140 PRJ3300E672 RESISTOR METAL 330 OHM 1 8 W 57 2012 R TP ROHM R33 141 PRN1801G409 RESISTUR METAL 1 8K DHM 1 4 W 1 004 52 5 R238 1 JpDRNIOOIG409 RESISTOR METAL OHM 174 1 007 TAS SMART CHOYANG R238 1 142 PRD1801G609 RESISTOR METAL 1 8K DHM 1 4 W 5 00 TAS2 SMART CHOYANG R8 1 143 PRN2401G409 RESISTDIR METAL 2 4K OHM 1 4 1 004 52 5 RF3 1 144 DRN9101G409 RESISTUR METAL 9 1K OHM 1 4 1 004 TAS2 SMART CHOYANG RF2 1 145 pRHi00eL4288e RESISTUR METAL 10K DHM 1 8 W 17 2012 R TP 1 146 61622 472 RESISTOR METAL 16 2K OHM 1 8 V 2012 1 00 D RLIHM 4 147 PRJ2612E472 RESISTUR META 26 1K DHM 1 8 V 2012 1 00 D RLIHM RRi RRe RRS RD1 148 2612 4 R 6 1K UHM 8 W 20 007 D ROHM RW 149 1 150 6200JB8001A FILTERCCIRO E 120 010 PILKOR PILKOR CR1 1 151 6210JB8001A FILTERCCIRC E 53510 0 SAMWHA 52 SAMWHA FB1 1 152 6200 88007 410150 Le 2 153 PLR
37. Back Light Control 1 In order to see the LCD display more easily the backlight is turned on for one minute at the initial application of power for 20 seconds when buttons are pressed when a door is opened and for 20 seconds after it is closed 2 When any display button is pressed while the backlight is off the buzzer sounds and the backlight is turned on but the button function is not performed In other words pressing any button turns on the backlight but does not cause any function to be initiated 3 To check the LCD graphic and back light ON OFF status press and hold the EXPRESS JET FRZ and FREEZER buttons This will turn the back light on and illuminate all of the graphics When the buttons are released the graphic display returns to its previous setting and the back light is turned off 2 1 3 Room temperature display function 1 The sensor for the ROOM TEMP display is located under the upper right hinge cover Factors such as air flow lighting and other appliances operating within the room may cause the display to differ from other temperature displays in the same room 2 Ambient temperature is displayed between 16 F and 120 F Temperatures 15 F and below are displayed as Lo and temperatures 121 and above are displayed as Hi If the ambient temperature sensor fails Er will be displayed 2 1 4 Dispenser and Display Lock 1 When the refrigerator is first powered up the LOCK text on the display is turned off 2 To loc
38. CRUSHED ICE or WATER Then press the dispenser switch The duct door is operated by a solenoid This door closes 5 seconds after ice is dispensed The dispenser does not work if the freezer door is open The dispenser will turn itself off after 3 minutes even if it does not receive an OFF signal This prevents damage and overheating of the motor The duct door will close 5 seconds after ice is dispensed The dispenser lamp is turned on and off by the dispenser switch Selection of Cubes Crushed Water 1 Select Cubes Crushed Water using the selection button 2 The default at power up is Cubes 3 The geared motor operates when Cubes or Crushed is selected Water Dispenser Function 1 Select Water using the selection button 2 The water line must be connected to the household water supply The solenoid at the bottom right rear of the refrigerator operates to supply water 3 Press the dispenser switch to dispense water 20 EXPLANATION FOR MICOM CIRCUIT 1 Explanation for PWB circuit 1 1 Power circuit The power circuit consists of a Noise filter SUB PWB which plays the role of noise rejection and an SMPS Switching Mode Power Supply power The SMPS consists of the rectifying part BD1 CE1 converting AC voltage to DC voltage the switching part IC2 switching the converted DC voltage transformer transferring energy of the primary side of the switching terminal to secondary side and a feedback part IC3 IC4 tr
39. FOR MICOM CIRCUIT 1 10 Stepping motor operation circuit IC10 7 9 9 16 7774 8 15 CE14 91 2 2 1uF B dude x poy 14 10 STEPPING B 33 10 10K 10K ST OP 8 p31 34 B 6 11 B 4 5 7 10 p32 35 A 3 4543 12 The motor is driven by magnetism formed in the areas of the coils and the stator Rotation begins when a HIGH signal is applied to MICOM Pin 33 of IC10 TA7774F This causes an output of HIGH and LOW signals on MICOM pins 34 and 35 Explanation The stepping motor is driven by sending signals of 3 33 mSEC via MICOM pins 33 34 and 35 as shown in the chart below These signals are output via terminals 10 11 14 and 15 via input terminals 3 6 and 8 of IC10 TA7774F the motor drive chip The output signals allow the coils wound on each phase of the stator to form a magnetic field which causes rotation Input to the terminals INA and INB of IC10 as shown in the chart below drives the motor CCW Reverse rotation 6 Positive rotation CW INA INB 30 EXPLANATION FOR MICOM CIRCUIT 1 11 Fan motor driving circuit freezer mechanical area 1 The circuit cuts all power to the fan drive IC resulting in a standby mode 2 This circuit changes the speed of the fan motor by varying the DC voltage between 7 5 Vdc and 16 Vdc 3 This circuit stops the fan motor
40. Food storing place Near the outlet of cooling air Check visually after disassembly E Check visually after disassembly 57 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 4 Warm 1 Colgged cooling path refrigerator Adiabatics liquid leak compartment Foreign materials Adiabatics dump liquid temperature 5 No automatic operation faulty contacts 6 Condensation and ice formation 2 Food storate Store hot food Store too much at once Door open _ Packages block air flow 1 Faulty temperature sensor in freezer or refrigerator compartment r Faulty contact Faulty temperature characteristics 2 Refrigeration load is too much Food Too much food Hot food r Frequent opening and closing r Cool air leak Poor door close Partly opens 3 Poor insulation 4 Bad radiation 7 High ambient temperature Space is secluded 5 Refrigerant leak 6 Inadequate of refrigerant 7 Weak compressor discharging power Different rating Small capacity 8 Fan does not work 9 Button is set at strong 1 Ice in freeezer compartment External air inflow Bushing installed incorrectly rDooropens Weak door closing power but not closes Stopper malfunction Door sag Food hinders door closing r Gap around gasket Contraction
41. aged 3 Touch the piping at various place along its route Install a damper at the point where your touch reduces the noise 4 Avoid pipe interference 5 Replace defective fan and fan motor 6 Adjust fan to be in the center of the fan guide 7 Leave a clearance between interfering parts and seal gaps in the structures 8 Reassemble the parts which make sound 9 Leave a clearance if evaporator pipes and suction pipe touch freezer shroud SISONSVIG 31sNnOdL 02 Problems Causes Checks Measures Remarks Vibration sound Clack Vibration of shelves and foods in the refrigerator Pipes interference and capillary tube touching in the compressor compartment Compressor stopper vibration 4 Moving wheel vibration 5 Other structure and parts vibration 1 1 Remove and replace the shelves in the refrigerator 1 2 Check light food and container on the shelves 2 1 Touch pipes in the compressor compartment with hands 2 2 Check capillary tube touches cover back 3 1 Check compressor stopper vibration 4 1 Check vibration of front and rear moving wheels 5 1 Touch other structures and parts 1 Reassemble the vibrating parts and insert foam or cushion where vibration is severe 2 Leave a clearance where parts interfere with each other 3 Reduce vibration with bushing and restrainer if it is severe especially compressor and pipe 4 Replac
42. arrow a and push the cover down in the direction of arrow b 2 Turn screw in arrow direction with a cross driver and lift up a little bit in arrow b and pull it up in arrow c 93 3 Fan Shroud Grille 1 Loosen two screws after disconnecting a cap screw of a grille fan U with a screwdriver blade 2 Disassembly of a grille fan U Pull forward after opening hook at gt part with a screwdriver blade 3 Disconnect housing of a grille fan L from the main body 4 Disassembly of a grille fan L Hold upper part of a grille fan L and pull forward carefully 5 Loosen two screws 6 Disassembly of shroud F U Disconnect housing of B after removing two rail guides with a screwdriver blade 7 Disassembly of shroud F U Hold upper part and pull forward 8 Check foam sticking conditions around a shroud F U and F L during assembling If damaged torn or badly stuck assemble with a new one after sealing well 94 4 ICEMAKER ASSEMBLY 1 Dispenser Model 1 How to disassemble 1 Remove ice bin and shelf from the freezer compartment 2 Loosen four screws under part of icemaker 3 Disconnect icemaker housing 4 Loosen a screw on the bracket and lift up the Ice maker 2 How to assemble The assembly is the reverse order of the above disassembly Note When the ice tray is not horizontal after assembly assembly must be wrong Check and assemble again HOW TO DI
43. by cutting off power to the fan when it senses a lock up condition point point A point C Motor OFF 5V 2V or less 2V or less Motor ON 2 3V 12 14V 8 16V MICOM 05 R KTBIISI CUNS D12 FRl07 n R34 R38 1504 5 ms 9 P54 53 b CE10 li m PWM 7423 220uF men KTC3198 8197 25V I OO 10K i 4 10 77 R39 pene 2 P51 50 K C FAN LOCK 11 21 102 R44x2 07 3302 KTB1151 p R41 14 4 7K R42 P53 52 3 9K F FAN PWM R43 2 10K f 13 1 77 R46 R47 P50 49 4 7K F FAN LOCK 42 CCe3x 102 j 777 31 EXPLANATION FOR MICOM CIRCUIT 1 12 Temperature compensation and temperature compensation circuit 1 Temperature compensation in freezer and refrigerator IC1 322 MICOM R75 R76 5 6 5 6 Temperature compensation at i bus AINO P61 57 Temperature compensation at freezer d RCR1 AIN1 10K RCF 1 10K 77 77 Freezer Refrigerator Resistance value Temperature Resistance value Temperature Remarks RCF1 compensation RCR1 compensation 180 5 9 F 180 2 5 4 5 Warmer 56 4 7 2 F 56 kQ 2 0 3 6 33 KQ 3 5 4 F 33
44. cut refer to resistance V Voltage R Resistance 55 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 3 Refrigeration is weak I Residual frost Weak heat from heater Sheath Heater rated Heater plate No contact to drain evaporator pipe Location of assembly top and middle Heater cord L Not touching the Faulty characteristics Too short defrosting time Defrost Sensor Seat D missing location thickness Air inflow through the fan motor Structural fault Gasket gap Bad insulation of case door No automatic defrosting Defrost does not retum 3 Cooling air leak Door sag r Bad gasket adhestion Bad attachment Contraction r Bad adhesion Weak binding force at hinge 4 No cooling air circulation Faulty fan motor Fan motor Self locked Wire is cut Bad terminal contact Door switch Faults Contact distance Button pressure Melted contact Contact r Refrigerator and freezer switch reversed Button is not pressed Poor door attachment F Door liner dimension F Contraction inner liner Misalignment Bad terminal connection Adiabatics liquid leak Loosened stopper cord Check the fan motor conduction OK No conduction NG 56 T
45. distortion loose door twisted corner not fully inserted Food vapor Storing hot food Unsealed food 2 Condensation in the refrigerator compartment rDooropens f Insufficient closing but not closes Door sag Food hinders door closing Gasket gap 3 Condensation on liner foam Coolairleak Not fully filled Top table part and transmitted Out plate Ref Lower part Flange gap Not sealed Gasket gap E Inspect parts measurements and check visually 58 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 6 Condensation and ice formation 7 Sounds 4 Condensation on door r Condensation on the duct door Duct door heater is cut Condensation on the Recess Heater is cut Adiabatics liquid contraction Condensation Bad wing adhesion Wing sag lower part on the gasket Door liner shape mismatch surface Corner IS much notch Broken Home Bar heater is cut 5 Water on the floor Condensation in the refrigerator compartment Defrosted water overflows Clogged discharging hose Discharging hose Evaporation tray located at wrong place location Tray _ Damaged 1 Breaks holes Small Capacity Position of drain 1 Compressor compartment operating sounds r Compressor sound Sound fro
46. door open sensing circuit in parallel toward both ends of switch to determine door open at MICOM 3 Since a door switch of the home bar is connected to door switch C D of the cold storage room it sensed door opening if even one of both is opened only P model 4 The fan motor is immediately stop if opening doors of the freezing room or cold storage room at the TEST mode and it immediately operates if closing them Frost Frost Pipe amp Damper Removal Refrigerator Optichill Type of Load Removal Dispensor Heater Heater Duct Convert Lamp Heater Heater Relav Heater only P model Door Heater Measuring point IC7 NO 10 IC8 NO 16 IC7 NO 13 IC7 NO 11 IC8 NO 10 IC7 NO 16 IC7 NO 12 ON Within 1 V TANS OFF 12V POWER lt H BAR u oes DOOR S W R DDUR R LAMP CONT BOX 9 AIR ARR CON3 mE 05 R LAMP LOWER 13 4 5 p74 5 5 lt AIN14 2 RY2 5 5 iis L 8 5 y 12 ox 5 5 75 TROPICAL ZONE HEATER _ AIN15 ALD112 1 rS g 7 P76 2 5 AIN16 C1 PIPE HEATER CON4 sa 7 ALE15812 DISP HEATER j
47. fan 2 In the event of power failure EXPRESS FREEZING is cancelled and the freezer defaults to normal operation 3 4 The freezer compartment and refrigerator temperature settings can be changed even when EXPRESS FREEZING is The temperature setting is not changed when EXPRESS FREEZING is selected selected and the cycle is underway The refrigerator compartment will operate at its usual setting even when EXPRESS FREEZING is selected or in progress If you select EXPRESS FREEZING the refrigerator will default to its original setting at the end of the cycle If the defrost cycle is scheduled to come on while EXPRESS FREEZING is selected EXPRESS FREEZING will operate only for the time that is not used by the defrost setting If you press EXPRESS FREEZING during the defrost cycle the EXPRESS FREEZING indicator will turn on but the cycle will not run until the defrost cycle is completed If you press EXPRESS FREEZING within 7 minutes of the compressor s last run cycle the EXPRESS FREEZING cycle will not begin until the 7 minute delay is complete 10 The freezer fan runs at high speed when Express Freezing is selected 2 6 Jet Freezing 1 CD Jet Freezing improves the cooling speed of the Jet Freezing Compartment by running the compressor and the Jet Freezing Compartment fan If there is a power failure the Jet Freezing cycle is released and the freezer defaults to its original setting Changed even if
48. hose to the high pressure side and the blue hose to the while charging the low pressure side System It is easier and works better Pipe Connection Vacuum Sequence Open valves and b and evacuate for 40 minutes Close valve 5 Refrigerant charging Charging sequence 1 Check the amount of refrigerant supplied to each model after completing vacuum degassing 2 Evacuate charging canister with a vacuum pump 3 Measure the amount of refrigerant charged Measure the weight of an evacuated charging canister with an electronic scale Charge refrigerant into a charging canister and measure the weight Calculate the weight of refrigerant charged into the charging canister by subtracting the weight of an evacuated charging canister KEY POINT Indicate the weight of an Be sure to charge the evacuated charging canister refrigerant at around 25 77 F Be sure to keep 5g in the winter and 5g in summer Calculation of amount of refrigerant charged the amount of refrigerant charged weight after charging weight before charging weight of an evacuated cylinder 84 TROUBLE DIAGNOSIS Items Precautions Evaporator 23 Hot Line Compressor Condenser Charging Canister 4 Refrigerant Charging Charge refrigerant while operating a compressor as shown above 5 Pinch the charging pipe with a pinch off plier after completion of charging
49. normal operation can cause damage to the compressor because of a sudden increase in the piston stroke Therefore Protection Logic will shut the compressor off in this situations The compressor can be restarted after 2 minutes 3 3 Freezer Fan F Fan Protection When the F Fan does not run pressure on the low pressure side of the compressor drops quickly This can result in an increased piston stroke which can damage the compressor a Door open When the F Fan is shut down because the refrigerator door has been open for about 1minute the compressor operation is reduced It will return of full cooling capacity within 2 minutes of closing the door b F Fan Lock If the fan does not operate for any reason other than Door Open compressor operation is reduced and error code Er FF will be displayed 51 LINEAR COMPRESSOR 4 Trouble Diagnosis of Linear Compressor Resistance Value 10 50 lt rousing Multi tester 10 50 CON2 Connector OLP Normal under 50 Abnormal over 5Q Standard of Trouble Diagnosis Main PWB Capacitor Linear Compressor a When the resistance value measured at CON2 Housing shows infinity Q or hundreds check the linkage of the Compressor Connection Harness P Lead Wire in the machine room Then remeasure the resistance value after disassembling the connect
50. not work Defective connecting lead wire from main PCB to door switch Check lead wire associated with door Switch Repair lead wire Defective freezer compartment door switch parts Refer to door switch in parts repair guide Replace Freezer compartment door Switch Bad water ice dispenser and water are not dispensed Defective connecting lead wire from Main PCB to lever switch Check Lead Wire associated with lever switch with a tester Repair lead wire Check model with dispenser Defective lever switch parts Refer to door switch in parts repair guide Replace lever switch Defective photo coupler IC parts Check voltage change at photo coupler output terminals with lever switch pressed It is OK if voltage change is between OV 5V Replace photo coupler IC or PCB Defective relay associated with ice dispense geared motor cube and dispenser solenoid Check relay RY4 RY5 RY12 with a tester Replace defective relay Defective parts associated with ice dispense geared motor cube and dispenser solenoid Check resistance of parts with a tester Replace defective parts Defective relay associated with water dispense Check relay RY7 with a tester Replace defective relay Defective parts associated with water dispenser Check resistance of parts with a tester Replace defective parts
51. on the intake port in the refrigerator compartment Check parts related to defrosting Check defrosting Check ice on the evaporator and pipes after forced defrosting 5 User is not familiar with how to use Door opens High moisture food water is stored Check food holds door open Check ice on the ice tray Be acquainted with how to use SISONSVIG 318nO0du L 2 7 Sound Problems Causes Checks Measures Remarks Hiss sound 1 Loud sound of compressor 1 1 Check the level of the 1 Maintain horizontal level operation refrigerator 1 2 Check the bushing seat conditions sagging and aging 2 Pipes resonate sound which is connected to the compressor 2 1 Check the level of pipes connected to the compressor and their interference 2 2 Check bushing inserting conditions in pipes 2 3 Touch pipes with hands or screw driver check the change of sound 3 Fan operation sound in the freezer compartment 3 1 Check fan insertion depth and blade damage 3 2 Check the interference with structures 3 3 Check fan motor 3 4 Check fan motor bushing insertion and aging conditions 4 Fan operation sound in the compressor compartment 4 1 Same as fan confirmation in the refrigerator 4 2 Check drip tray leg insertion 4 3 Check the screw fastening conditions at condenser and drip tray 2 Replace bushing and seat if they are sagged and
52. you select Jet Freezing If Jet Freezing is selected the compressor after the compressor delay time has passed and the freezer fan will be turned on The temperature in the freezer will drop and the fan motor will be turned off for a set time but the Jet Freezing fan will run for no more than two hours After that the Jet Freezing function terminated and the freezer defaults to its original setting To keep the fan motor from freezing it is switched on for 10 seconds once an hour The fan motor of jet freezing box will not be detected as a failure dc 12v operation When checking the Jet Freezing function the Jet Freezing Compartment fan motor is switched on for 1 minute if the freezer adjustment button or the Express Freeze button is pressed for more than one second 13 MICOM FUNCTION 2 7 OptiChill 2 7 1 Temperature Control in OptiChill 1 The Optichill is positioned at the bottom of the refrigerator compartment It allows the user to select a more specific temperature based on the foods being stored such as meat fish fruits and vegetables etc 2 The Optichill system consists of a sensor at the rear of the drawer a damper a fan motor between the Optichill compartment and the freezer a heater at the bottom of the Optichill compartment and a temperaturs adjustment display at the top 3 At initial power up the initial setting of the Optichill will be FRUIT VEGE If only the refrigerator door is opened the
53. 02 903 1 56 000400709 DIODE RECTIFIE N4007 TP MOTOROLA 1A IDDELTA PYUNGCHANG 09 e 57 0DD414809BB DIUDE SWITCHIN 1 4148 ROHM 0035 75 450MIL 0201 206 1 58 0DD414809BB DIDDE SWITCHIN 1 4148 TP RUHM 0035 5 450MIL ROHM D10 2 59 OTR319809AA TRANSISTOR 3198 KTC18159KEC EC Q6 8 e 60 09 RA 1 Y lt 966 gt 010 201 I 61 0 27309 1073 lt 966 K 04 e 62 0 00008 5 KTB1151 126 60 5 95 7 7 63 0 106009 TRANSISTOR BIP RC106M TP TO92M SOV 100MA K 01 2 9 202 203 205 206 1 64 OTRIO6009AF TRANSISTOR BIP KRC106M TP TO92M 50V 100MA EC Q3 1 65 0 106009 TRANSISTOR BIP RALO6MCKRA2206 0204 66 0CE476ZV6E0 CAPACITOR FIXE 47UF HE 450 20 BULK SNAP IN 1 105 2 1 67 0CE686ZU610 68UF HE 400V 20 BULK SNAP SAMHWA CE1 105 C gt 4 68 0CE227BH638 CAPACITOR FIXE EEUUF KME TYPE 25V 207 5 0 11 203 204 105 2 1 69 0CE477YH690 CAPACITOR FIXE 470UF RX 25V 20 BULK S SAMHW A 202 105 1 70 0 108 610 10000 25 20 BULK FL SAMHWA CE4 105 C gt 1 71 OCE108YJ618 000 35 0 2 TP 5 FL 105 2 1 72 0 2267 638 CAPACITUR FI
54. 0K949 LIR F IX N 0 09 210 1 90 QCK1020K519 CAPACITOR FIXE PF 50V B 52 YANG CC28 3 91 OCKI02DK96A INF 2012 50 807 207 R TP JE URATA CC9 21 23 12 92 0CKee3DK96 CAPACITOR FIXE RNF 2012 50V _80 20 R TP X7R URATA CC15 20 22 24 27 208 9 93 0CK104DK94A CAPACITOR FIXE E 2012 50V 80 20 R IP JE URATA CC6 8 10 12 14 212 213 1 94 OCK104DK94A CAPACITUR FIXE 2012 50V 807 207 R TP JE URATA CC13 39 EXPLANATION FOR MICOM CIRCUIT WORK 8 9 ii lt Qty No DESCRIPTION SPEC MAKER REMARK 95 1 96 01001 400 RESISTOR FIXED 0 1 OHM 3 W 1 A SMART CHDIYANG Re03 1 97 0855602 600 RESISTOR FIXED 56K OHM 2 W 5 00 SMART CHOYANG R4 1 DRSS602K600 RESISTUR FIXED 56 OHM 2 5 004 SMART CHOYANG R19 1 99 DRW0470J609 RESISTUR FIXED 0 47 OHM 1 57 52 SMART CHOYANG ROCP 100 DRW0820J609 RESISTOR F IXED 0 82 DHM 1 V 5 52 5 1 101 0853303609 RESISTOR FIXED 330K DHM 1 W 5 52 SMART CHOY ANG Re 7 102 DRDe700H609 RESISTOR FIXED 270 OHM 1 2 W 5 00 TAS2 SMART CHOYANG R62 68 2 103 DRD1501H609 RESISTOR FIX
55. 1 1 48 WIRE JUMP 2 WIRE JUMP 1 111111 50 6908JB8003A BUZZER 20 BUJEUN PIEZU 4KHZ 8508 BUJEUN BUZZER e 6 6 6 51 6600RRTO02J SWITCH TACT JTP1138A IP VDC SOMA SMD JEIL SW101 SWi06 01150006844 c SEOUL SEMICON SSCUYIOI R TP AMBER SEDUL SEMICUN 0210 Ho 14 52 Eo038AA LEDTECH LT8B32 UR 191T R TP AMBER 35MCD LEDTECH E B 0DLSU0029AA SEOUL SEMICON SSC570YG TP GREEN YELLOW SEQUL SEMICON Hote no 53 opiLEO048AA LED LEDTECH LT8B22J 190T R TP GREEN YELLUW LEDTECH LD101 LDe10 54 0DLSU0068AA_ LED SEOUL SEMICON SSCUY101 R TP AMBER SEDUL SEMICUN LD101 LD210 55 0DLSUOD29AA LED SEOUL SEMICON SSCS70YG TP GREEN YELLUV SEDUL SEMICUN L D101 LD210 et 41 EXPLANATION FOR MICOM CIRCUIT 2 DISPLAY circuit diagram CON101 12 s Sr 17 29 47 Vdd 81 1 como re D I 1 19 Vref com 82 2 83 CC101 CC108 CC103 9102 LCC104 COM2 COM2 IP o i0 coms 84 4 11 Vss 79 5 sEGO 0
56. 1001M4F0 INDUCTOR RADIA 1000UH 20 6 12 5 BULK TNC L3 L4 1 154 6600JB8001A SWITCH SKHV10910 LG TACT S W TACT SW1 1 155 4920JB3007A HEAT SINK 23 3 17 25 DRIVE IC STR R S64 65 73 2 TAE SUNG dice 156 4920JB3001A HEAT SINK 16x15x25 IC 5V DIOS 2PIN 1 SCREW TAE SUNG CTRIAC201 gt 1 157 4920JB3003A HEAT SINK 30 25 30 IC 19 V ePIN 1 5 TAE SUNG CTRIAC201 gt 1 158 55001 502 FUSE SLOW BLOW 5000 250 V 5 2 20 LD GL UL CSA SAM JU FUSE2 2 159 SBF0302418 TITE 03 0 1 8 0 MSWR3 F ZY CIC2 TRIAC201 0 160 149111001 SUL DER SUL DERI OLDERCRUSIN WIREORSTI H UN 25 161 9111004 SOLDER SOLDERI 6 HEESUNG E 15 162 59333105 FLUX 56 0 825 0 830 KOREA 206 68 163 6854B50001A JUMP WIRE 0 6MM SeMM TP TAPING SN DAE A LEAD 401768 1 164 6854 50001 JUMP WIRE 0 6MM SeMM TP TAPING SN DAE A LEAD OPicEXPORT DOMESTIC 1 165 6854 50001 JUMP WIRE 0 6MM SeMM TP TAPING SN DAE A LEAD OP2 DLX BASIC gt 1 166 6854 50001 JUMP WIRE 0 6 SeMM TP TAPING SN DAE A LEAD JCR1 1 167 6854 50001 JUMP WIRE 0 6MM SeMM TP TAPING SN DAE A LEAD JCRe 1 168 6854 50001 JUMP WIRE 0 6MM 52 TP TAPING SN DAE LEAD 1 169 6854B50001A JUMP WIRE 0 6 SeMM TP TAPING SN DAE A LEAD JCR4 170 _6854 50001 JUMP WIRE 0 6 SeMM TP TAPING SN DAE A LEAD 171 6854850001 JUMP WIRE 0 6 SeMM TP TAPING SN DAE A LEAD JP1 4 72 650000008 DER SUL SR 34 PB F
57. 1ZZJB2038R gt e 20 01T0777400A IC DRAWING TA77744P 16 SDIP BK DRIVE IC STEPPING LISHIBA C10 11 3 21 OIPMGNEOO 1A IC PLIWER MANAGE 52561 1 NEC 4P DIP BK TLP762JF EC 1 3 209 210 1 22 OIPMGNEODO1A IC PHWER MANAGE 520561 1 NEC 4P DIP TLP762JF c9 1 23 OIZZJBS00SB IC DRAWING 75 02 20PIN LINEAR STROKE CONTROL NIMO 201 1 24 OIPMGSKO001A IC POWER MANAGE JSTR G6351 SANKEN ST ICe 25 6016JB8001A TRIAC CR8PM MITSUBISHI 1000V ITSUBISH TRIAC201 1 26 6016JB8001B TRIAC R16PM 12L MITSTUBISHI 600V 16 ITSUBISH 201 e 27 OIKE780500Z 1 7805 3DIP BK 5V 1 REFORM EC 1 5 202 e 28 01 650030 ID65003AF 165 BK 7CH DRIVER EC IC7 8 1 29 01 431000 KIA431 PIN TP EC C4 2 30 01 704200 IC KEC 1A7042P_3P_BK RESET EC 1 6 203 1 31 0ISTLMI001A IC STANDARD LOGIC M54563FP MITSUBISHI 20 R TP CONVERT ITSUBISHI 1 3e 650830 IC KEC 1065083 2050 BK 8CH DRIVER 1 33 SERENE CSTS0400MG03 SURAT EUM TP URATA bes 1 34 6212 JB8001A RESONATUR CERA 0800MG03 MURATA 8MH R PJ URATA 01 1 35 6108 JB8001M VARISTUR INR14D112 ILJIN UL VDE BK 1100V JIN 201 1 36 6920ALZ001 RELAY ALZ12B12 NAIS 250VAC 164 12 VDC 1C ATSUSHITA lt 2 1 37 6980ALZ001 RELAY AL 712812 NAIS 250 16A 12 VDC 1C ATSUSHITA RY I 38 69200000014 RELAY ALE15B12 250 16 1e VDC 1 NO VE
58. 28 vret z8 SEG2 27 7 SEG2 R101 6 8 503 R104 35 pos SEG3 M T SEG4 2 g SEG4 ZDI 66105 SEG5 SEGS 065 PSP sece 73 LU see 2 transfer 34 SEG7 72 SEG7 04 SEGB 13 seca seco 70 14 5 09 SEG10 69 19 sEG10 receive P SEG11 68 18 SEG11 P93 SEG12 65 18 E812 P92 SEG13 19 9613 P91 SEG14 65 201 25012 BACK LIGHT P90 SEG15 54 5 015 P67 SEG16 55 SEG16 Pn gee ae eee P66 SEG17 61 SEES i R127 LD101 LD104 1 P65 SEG18 4 4701 44 106 P52 P64 SEG19 60 mn 1 12985 P63 SEG20 R128 LD105 LD108 f 4704 4 4 9 P62 SEG21 58 26 21 e 37 P61 SEG22 57 SEG22 719 2109 41 012 P60 SEG23 56 8 sEG23 470 1 aK OOOO 1 R130 10113 10116 R107 4701 44 15K 0103 R131 LD117 LD120 1 KRC106S 124701744 46 4 7 1 1 P51 470 1 4W er Q107 IC101 1 R133 LD125 LD128 pun BUZZER 470 174W a gt MN101CP54CBF 104 122 46 KRCID S BM 208 470 AV LIIS MSE m 4KHz 1 T R109 P10 37 R135 LD133 LD136 4 7K 20 6 46 06 ud 5 4 4781364 10137 10140 1 RIS e T 37 LD141 LD144 1 470174 t zs Biu LEM _ as LO p11 38 44 4 9 1 4 4 PA1 R139 LD149 LD152 1 bw 1 e 470 1 4W H3 T 7 eee om im 22 RIS 4 t 2 4g 4 ok SW101 QF FH P40 1 L
59. 6 Braze the end of a pinched charging pipe with copper brazer and take a gas leakage test on the welded parts 6 Gas leakage test Test for leaks on the welded or suspicious area with an electronic leakage tester 7 Pipe arrangement When replacing components be sure in each cycle each pipe is replaced in its original position before closing the cover of the mechanical area 3 5 Standard Regulations For Heavy Repair 1 Observe the safety precautions for gas handling 2 Use JIG or a wet towel in order to prevent electric wires from burning during welding In order to prevent insulation break and accident The inner case will melt and the insulation will burn The copper piping will oxidize Do not allow aluminum and copper pipes to touch In order to prevent corrosion Observe that the inserted length of a capillary tube into a drier should be 12 3 4 5 6 o a a Drier Molecular Pipe 7 Make sure that the inner diameter is not distorted while cutting a capillary tube 8 Be sure that the suction pipe and the filling tube should not be substituted each other during welding High efficiency pump 85 TROUBLE DIAGNOSIS 3 6 Brazing Reference Drawings PIPE ASSEMBLY HOT LINE Freezer Copper Braze Copper CAPI TUBE DRIER ASSEMBLY Silver Braze PIPE ASSEMBLY SUCTION 7 ASSEMBLY JOINT Copper Braze PIP
60. 901 20 617 14 17 24 4 Do E R65 5H 8 2701 29 L5 L11 25 5 5 o 6 R66 lo y y reg zi 5 18 12 27 6 5 R67 20120 alk R73 su s F P22 01 24 2 ui 2 36 13 ox 8 t Iz A 1412 _ P smo AP NES PWB ASSY DISPLAY 1 15 Jet freezing R31 47K 03 Du 106 FR107 7 1 pas 46 Q FREEZER Q pee BOX FAN MOTOR 37 EXPLANATION FOR MICOM CIRCUIT 2 PWB parts diagram and list 2 1 PWB Assembly main part diagram E Med eu au cu 3323 E 3 3 eI AHI 21 un 38 EXPLANATION FOR MICOM CIRCUIT 2 2 Parts list WDRK 4 418 a 4 Qty DESCRIPTION ISPEC AKER REMARK 1 68 0 8115 PWBCPCB ICH PJT EXTRA DLX lt CLINEARD DOO SAN 1 6 2 6170J5B2020A TRANSFORMER SMPS CH PJT DLXKXLINEAR IL TRANS 1 3 6170JB2020B TRANSFORMER SMPS EXTRA SAM IL TRANS 1 4 6630AQ9106A CONNECTOR Y W396 03AVC3P 2 CON7 1 5
61. D156 LD159 49 s 5 5 102 8 P41 RIAI 12160 10163 T F SW103 F 47 44 d 1 Ri OOOO Icto3 2 50 7 R142 LD164 LD167 470744 JKkI1A7042AF RESET R143 10168 10171 ceio P4331 4 4701 4 104 1 R144 LD172 LD175 1 77 LL 54105 470 1 4W 1 52 tT P44 ae 1 R145 LD176 LD179 oe opo 1 Leu 4 1 l eswio6 L Ww 3 Re Le 45 4 m 470 1 4 EC RAK 1 R119 R122 R148 LD188 LD191 Genes Ves 8 1 1 Poo L30 cc 1 1195 1 d b 0009 RXD 1 1 7 EE Ua cO SE no WV RS LDe00 LDe03 104 1 4701 4 4 e 4 1 4 02 32 3 5i 9 N 6 4789 th 9 7 5 1c2 m Eo 1208 12210 03 33 4 400 1 4 1 05101 CSTS 4 00MGW i3 T Xin 6 16 46 8 zi R126 NC X 1 1 1M 14 15 259 27 356 397 45 54 55 12 Xout 9 10 7 TT DIAGRAM EXPLANATION FOR MICOM CIRCUIT 3 PWB Circuit Diagram may vary according to model PWB ASSEMBLY SUB L og ug i WE s HIC201 current sensing current fter
62. Display PCB DC 12V Main MICOM LCD LED dedicated X GND Transmission error status Reception notch status CON6 PCB ASS Y DISPLAY run COOLING Mr ROOM TEMP amp DISPENSER amp KEY mm oo EXPRESS JET FRZ DISPENSER FREEZER REFRIGERATOR FILTER LIGHT LOCK OO0OO0O000 35 EXPLANATION FOR MICOM CIRCUIT 2 Sensor resistance characteristics table Measuring Temperature C Freezing Sensor ADD Mid Frost removal sensor Outside sensor 20 C 4 F 22 3 77 KQ 15 b F 16 9 60 kQ 10 C 14 F 13 0 ko 47 3 5 C 23 F 10 1 38 4 0 C 32 F 7 8 30 kQ 5 41 F 6 2 kQ 24 1 10 C 50 F 4 9 19 5 kQ 15 C 59 F 3 9 15 9 20 C 68 F 3 1 13 kQ 25 C 77 F 2 5 11 KQ 30 86 F 2 0 kQ 8 9 40 104 F 1 4 KQ 6 2 KQ 50 122 F 0 8 4 3 Resistance value allowance of sensor is 5 u When measuring the resistance value of the sensor allow the temperature of that sensor to stabilize for at least 3 minutes before measuring This delay is necessary because of the sense speed relationship u Use a digital tester to measure the resi
63. E ASSEMBLY ONDENSER ASSEMBLY WIRE JOINT Copper Braze 2 Silver Braze Copper Braze Coppper Braze 86 TROUBLE DIAGNOSIS 4 HOW TO DEAL WITH CLAIMS 4 1 Sound Problems Checks and Measures Hiss sounds Explain general principles of sounds All refrigerators make noises when they run The compressor and fan produce sounds There is a fan in the freezer compartment which blows cool air to freezer and refrigerator compartments Hiss sounds are heard when the air passes through the narrow holes into the freezer and refrigerator compartments Cooling Fan sound in the compressor compartment There is a fan on the back of the refrigerator which cools the compressor compartment If there is a small space between the refrigerator and the wall the air circulation sounds may be noticeable Noise of Compressor This operating sound happens when the compressor compresses the refrigerant Click sounds E Explain the principles of temperature change The sounds happens when pipes and the internal evaporator in the refrigerator compartment expand and contract as the temperature changes during the refrigerator operation This sound also happens during defrosting twice a day when the ice on the evaporator melts Vibration sound Check the sound whether it comes from the pipes vibration or friction Insert bushing or leave a space between pipes to avoid the noise Fix the fan blade if it is hitti
64. ED 1 5K 1 2 95 004 TAS2 5 R38 45 1 104 DRDS5603H609 RESISTOR FIXED 60K OHM 1 2 W 5 00 TAS2 SMART CHOYANG R3 1 105 PRD1I200H609 RESISTOR FIXED 120 OHM 1 2 W 5007 52 SMART CHOYANG R205 13 106 DRD2001G609 RESISTOR FIXED 2K OHM 1 4 W 57 TASe 5 R25 27 29 39 46 48 50 59 61 69 212 1 107 02020016609 R OR FIXED OHM 174 57 SMART CHOYANG R26 1 108 0016609 RESISTOR FIXED 2K OHM 1 4 W 57 TAS2 SMART CHOYANG R32 Le 109 RESISTOR FIXED 900 DHM 1 4 W 5 00 52 SMART CHOY ANG 35 42 111110 RD4701G609 RESISTOR FIXED 4 7K DHM 1 4 W 5 00 52 5 5 14 16 17 41 71 74 033 235 11 DRD4700G609 RESISTUR FIXED 470 DHM 1 4 5 00 TAS2 5 204 R 0 OHM 1 4 W 5 00 MART CHLIYAN R234 1 pRD6800G609 RESISTOR FIXED 680 DHM 1 4 5 00 TAS2 5 R7 5 114 PDRD1002G609 RESISTOR FIXED 10K OHM 1 4 W 5007 TAS2 SMART CHOYANG 10 21 53 54 211 2 115 08010046609 RESISTIUR FIXED 1M OHM 1 4 5 00 52 lt 5 R207 208 1 116 DRN3003G609 RESISTOR F IXED 300K OHM 1 4 W 1 52 A SMART CHOY ANG R202 1 117 PRD2201G609 RESISTLIR F IXED 2 2K OHM 1 4 V 5 007 52 5 R232 1 pRD1002G609 IRESISTUR FIXED 10K OHM 1 4 W 5 004 TAS2 5 119 DRN4403G409 RESISTDIR FIXED 440000 OHM 1 4 17 52 SMART CHOYANG R202 120
65. EXE REFRIGERATOR CAUTION PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL BEFORE CHECKING OR OPERATING THE REFRIGERATOR LRSC26960TT CONTENTS WARNINGS AND PRECAUTIONS FOR SAFETY 3 dzieluenue lm M 4 PARTS IDENTIFICATION m 5 HOW TO INSTALL THE REFRIGERATOR 1 1 6 HOW TO ADJUST DOOR HEIGHT m mf ttd ttd d t dcos 6 iiie eec Ecce et re nS 7 HOW TO CONTROL THE WATER 2 8 MICOM FUNCTION trainee CX Rd S CA A PRX ER RC Ra Ru a D RC P FEBR d RA 10 EXPLANATION FOR MICOM CIRCUIT sens penssi ates ansa tasa taa tasa ssa snas ss asma damas sain assa assa andis sanas 21 EXPLANATION FOR PWB CIRGUIT rr teet iet tcc n o e d A Minit e V HU EHE 21 PWB PARTS DIAGRAM AND EIST 5 n He ede Ra RT e erus 38 PWB CIRCUIT DIAGRAM e e e A en Se 43 OPERATION PRINCIPLE AND REPAIR METHOD OF 45 OPERATION PRINGIPLE te ie CER Eb eet ae 45 CONTROL METHOD ACCORDING TO 22 46 DEFECT DIAGNOSIS FU NGTION tent tec it cet Dp he c d Ne dte vid
66. MS CAUSES AND CHECK POINTS HOW TO CHECK 1 Faulty start 1 No power at outlet 2 No power on cord r The Inner diameter of adapter The distance between holes The thickness of terminal The distance between pins Pin outer diameter 3 Shorted start circuit r No power on power cord Internal electrical short Faulty terminal contact LOLPisof Capacity of OLP is small Bad connection Power is disconnected FThe distance between terminals Bad connection between adapter and outlet faulty adapter connection between plug and adapter faulty plug r Disconnected copper wire Power cord is disconnected Faulty soldering Loose contact Large distance between male terminal Thin female terminal Terminal disconnected Bad sleeve assembly L Disconnected Weak connection Short inserted cord length Worn out tool blade Characteristics of OLP is bad Inner Ni Cr wire blows out Bad internal connection Faulty terminal caulking Cu wire is cut Bad soldering No electric power on compressor Faulty compressor 4 During defrost pas automatic defrost Cycle was set at defrost when the refrigerator was produced Measuring instrument Multi tester Check the voltage If the voltage is within 85 of the rated voltage it is OK E Check the terminal movement E Check both
67. NTING ATSUSHITA RY4 I 39 69200000014 RELAY ALE15B12 2S0VAC 16 1e VDC 1 NO VENTING ATSUSHITA RY6 1 40 6920JB2003B RELAY MATSUSHITA 250VAC 12VDC AT SUSHITA RYZ 4 41 6920JB2003B RELAY ALD112 MATSUSHITA 250VAC 12VDC 1 ATSUSHITA RY3 779 I 42 6920JB2009BZ RELAY 55 14 OMRON 250VAC 5A Ie VDC ICA OMRON RYZA 43 6920JB2009BA RELAY IGSSB 14 OMRON 250VAC 18 VDC ICA OMRON RY201 202A 2 44 6920ALZ001A RELAY ALZ12B12 NAIS 250VAC 16 12VDC ATSUSHITA RY201 202 1 45 6920JB2003B RELAY ALD112 MATSUSHITA 250VAC 12VDC 1A ATSUSHITA RY11CDISP LAMP 46 6920JB2004D RELAY DH12D1 0 Q JAPAN DEC 250VAC 10A 12V ATSUSHITA RY1 R LAMP gt 47 6920J82009B A RELAY IGSSB 14 OMRON 250VAC 5A 12 VDC ICA OMRON RY10CHZBAR HTR 1 48 0DZRMOOI88A DIODE ZENERS LZ ROAM R7TP LLDS LL 345 500 5 6 ROHM ZDI 1 49 ODZMRO0049A DIODE ZENERS 1 4730 MOTORORA 0041 1W 3 9V 64 20201 1 50 008360000 DIODE RECTIFIE ID3SBA60 BK SHINDENGEN 600V_4A SHINDENGEN BDi 9 51 00 107009 DIODE RECTIF IE FR107 TP DELTA 0041 1000V 1 DELTA Di 2 12 16 204 205 1 52 0DR107009A DIODE RECTIFIE FRIO7 TP DELTA 0041 1000V 1A DELTA 011 2 53 ODRSA00090 DIODE RECTIF TE L3 NON 350V 3 54 80A SONSEC 0 1 SHINDENGEN D3 4 4 54 0DD400409AA DIODE RECTIFIE 1 4004 TP PYUNGCHANG DELTA PYUNGCHANG 05 8 e 55 ODD400709AA DIODE RECTIF IE N4007 TP MOTOROLA 1A DELTA PYUNGCHANG D2
68. Optichill LED will be ON 4 Each time you press the SELECT button the selection cycles through the settings in the order of FRUIT VEGE 39 ROOM 30 F PARTIAL FREEZING 27 F WINE 50 F FRUIT VEGE 39 F The display will show the target temperature If QUICK COOLING or THAW is selected the selected temperature and NOTCH LED are not shown and the temperature can be adjusted 5 The Optichill sensor detects the temperature and relays this information to the MICOM Based on the temperature and setting The damper is opened or closed and the heater is on or off as the conditions warrant 6 If the Optichill damper hasn t moved within an hour it is automatically opened or closed and then returned to its previous setting to keep it from freezing in one position 7 Display Check mode the Optichill fan motor is turned on for one minute To enter the Display Check mode press and hold both the EXPRESS JET FRZ and FREEZER buttons for 3 seconds 8 If the Optichill fan motor hasn t run within an hour it will automatically run for ten seconds once every hour to keep it from freezing in one position SELECT PARTIAL CHILED e oF SET TEMP e QUICK H COOLING FREEZING ROOM Ea WINE MIN HR TIME REMAINING 80 15 THAW Ibs SELECT i i i THAW NOTCH Partial Chilled Fruit Wine QUICK Function Freezing Room VEGE 3 0lbs 1 5lbs 0 5Ibs COOLING Display 27 30 39 F 50 F 12H
69. R METAL GLAZEIXCHIP 100 UHM 174 57 3516 R TP ROHM 1 1 1 1 1 33 0RJe200E672 RESISTUR METAL GLAZED CHIP 220 OHM 178 W 57 2012 ROHM R154 26 26 26 26 26 34 0RJ4700G676 RESISTOR METAL GLAZED CHIP 470 DHM 1 4 57 3216 R TP ROHM 126 e e 35 0868006676 RESISTUR METAL GLAZED CHIP 680 DHM 174 5 3216 R TP ROHM 152 8153 SPS hes gt 1 1 1 37 0RJ5600E472 RESISTUR METAL GLAZEIXCHIP 560 OHM 1 8 W 17 2012 R TP ROHM R124 e e 2 38 0RJO01E672 RESISTOR METAL GLAZED CHIP IK OHM 1 8 W 5 2012 R TP ROHM R104 105 3 3 3 3 39 0RJ2001E672 RESISTOR METAL GLAZED CHIP eK OHM 178 W 5 2012 R TP ROHM R101 103 15 15 15 15 15 40 ORJ4701E672 RESISTOR METAL GLAZEIXCHIP 4 7 1 8 5 2012 R TP ROHM R108 122 e e e e 2 a 08 502 672 RESISTUR METAL GLAZED lt CHIP 15 OHM 1 8 W 5 2012 R TP ROHM R106 R107 42 0RJI004E672 RESISTOR METAL GLAZEIXCHIP 1M OHM 1 8 W 5 2012 R TP ROHM R125 43 0874702672 RESISTOR METAL GLAZEIXCHIP 47K OHM 1 8 W 5 2012 R TP ROHM 74 0RJI20IE472 RESISTOR METAL GLAZED CHIP OHM 1 8 W 1 2012 R TP ROHM 45 0RJl002E472 RESISTOR METAL GLAZED CHIP 10 DHM 1 8 1 2012 R TP ROHM R123 1 46 ODZRMOO188A DIUDE ZENERS RLZ RUHM LLDS LL 34 500 5 6 20 ROHM 70101 11 47 WIRE JUMP
70. REE LFM 48 HEESUNG 4 73 SSWZU LOSAA SILDER SDIL DERI LF M 38 SN 3 0AG 0 5CUZ 3 0MM HEESUNG 4174 72452 0004 FLUX SV PBF 06 KSK 12 5 WTX 0 815 0 003 KSK 40 EXPLANATION FOR MICOM CIRCUIT 2 3 DISPLAY ASSEMBLY 1 DISPLAY part diagram 1 E D c B Word BOX A x I x p M a 415 5 44 45 5 1 J aon E CU na a 21 2 lt z lt Qty Qty Qty Qty Qty No DESCRIPTION SPEC MAKER REMARK c B tal iB 1 6304TKNO03 LCXLIGUID CRYSTAL DISPLAY 5 TN MOND CD2 CH DLX A JHK1149 B JHK1200 KUNECS poppet pet pt E E 1 1 1 4 PWB FR 4 Ex 1 111151 REFLECTUR PC ABS SHEET MTN WXSX47 29X164MM5 418357 Sy ed peas a ade zo ss WAFER SMAW250 04 YEUN HU 101 EE FEST SEES E 41 416 ij iE 1c i ic n 017785059
71. ROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 3 Refrigeration is weak 4 No cooling air circulation r Faulty fan motor Fan is constrained Small cooling air Insufficient discharge motor RPM Shorud r Fan shroud contact Clearance Damping evaporator contact Accumulated residual frost Fan overload Fan misuse low termperature RPM characteristics Rated power misuse Low voltage Faulty fan Fan misuse Bad shape Loose connection Not tightly connected Insert depth Bent and foreign materials on rotating parts 5 Compressor capacity Rating misuse Small capacity Low valtage 6 Refrigerant r Malfunction of charging cylinder too much or too little Wrong setting of refrigerant 7 Continuous operation nsufficient compressor Faulty compressor No contact of temperature controller Foreign materials 8 Damper opens continuously Foreign materials Adiabatics liquid dump jammed r The EPS styrofoam drip tray has sediment in it or other foreign material has fallen into the drip tray or damper r Failed sensor Position of sensor Characteristics Bad characteristics of its own temperatue of damper Parts misuse Charge of temperature Impact characteristics 9
72. SASSEMBLE AND ASSEMBLE 5 DISPENSER 4 Loosen four screws with a phillips screwdriver and pull 1 Disconnect funnel and button assembly by pulling down thef ninelAssemby to oiseonnect and forward Funnel Assembly Button 5 The Duct Cap Assembly can be disconnected if the hold lever connecting screw is loosened with a phillips driver 2 Remove display frame Assembly by making a gap between a display frame Assembly and funnel Assembly with a screwdrive balde and pulling it forward Solenoid Assembly The cover dispenser is attached with a hook 7 3 The Display Assembly can be connected by pressing the top of the dispenser cover and pushing it after separating the Display Frame from its housing Assembly Duct 6 To install the Duct Cap Assembly insert one end of the spring into the right hole of the dispenser lever and insert the other end into the right hole in the top part of the dispenser Then attach the holder at the solenoid Switch Sheet Heater 95 HOW TO DISASSEMBLE AND ASSEMBLE 7 Dispenser Related Parts FRAME ASSEMBLY DISPLAY DISPENSER COVER PWB PCB ASSEMBLY DISPLAY FUNNEL ASSEMBLY MICRO SWITCH FUNNEL FRAME LEVER SWITCH FUNNEL FUNNEL GUIDE ROCKER SWITCH SOLENOID ASSEMBLY SPRING LEVER HOLDER DUCT CAP DISPENSER LEVER BUSHNIG CAP BUTTON ASSEMBLY BUTTON BUTTON HOLDER DRAIN GRILLE
73. SISONSVIG TROUBLE DIAGNOSIS 3 Cooling Cycle Heavy Repair 3 1 The Heavy Repair Standards for Refrigerator with R134a Refrigerant NO Items Unit Standards Purposes Remarks 1 Pipe and piping Min Pipe within 1 hour To protect The opening time should be reduced to System opening time Comp within Moisture half of the standards during rain and 10 minutes Penetration rainy seasons the penetration of water Drier within into the pipe is dangerous 20 minutes 2 Welding Nitrogen Weld under To protect Refet to repair note in each part Pressure Nitrogen oxide scale R134a refrigerant is more susceptible to atmosphere formation leaks than R12 and requires more care N2 pressure during welding 0 1 0 2 kg cm Do not apply force to pipes before and after welding to protect pipe from cracking 3 Ne sealed parts Confirm Confirm air leaking To protect In case of evaporator parts if it doesn t leak sounds when moisture make noise when removing bushing removing bushing penetration cap blow dry air or Ne gas for more than cap 1 min use the parts Sound usable No sound not usable 4 Refrigeration Evacuation Min More than To remove Cycle time 40 minutes moisture Vacuum Torr Below 0 03 ref Note Only applicable to the model degree equipped with reverse flow protect plate Vacuum EA High and low Vaccum efficiency can be improved by Pressure sid
74. SS 5 5 coes L F DOOR S W MICOM ee E R55 pas 44 Roe o 2K cone 1 R 000R S W d Measuring point IC1 MICOM No 47 46 Pin Door of Freezer Refrigerator Closing 5 V D Switch at both ends are at Off status Opening 5V Switch at both ends are at On status Since door switches A and B are interconnected if either fails the other will not respond properly If either switch fails the light will not come on Of EXPLANATION FOR MICOM CIRCUIT 1 7 Temperature sensing circuit CONG E AIN7 cese L RT SENSOR H7 60V 8 MICOM pe7 63 R26 26 1KF 9 2K AIN7 Zour WT SENSOR Ab 77 50V 10 CON8 2s R27 16 2KF P66 3 F SENSOR T ces 1 AIN6 ccl7 L 2K D Dour 5 223 RD 50v R28 26 1KF P65 t Tos 3 D SENSOR AN5 2 4 rh 50 R49 CON9 58 x i 152 R1 SENSOR t 5 25 1 as iour 6 23 T 2 50v alps R50 26 1KF 7 4 GE15 R2 SENSOR AIN3 ZA Our 4 8 55 ic CON10 pes 60 MAGIC ROOM 4 MESES 9 evo SENSOR CC27 10uF 50V 10 The circu
75. XE PEUF SOV 207 FMS 5 RUBYCUN A 2 105 2 3 73 0 1051 638 LUF SM SA 50 20 FMS 5 SAMHWA RUBYCON 14 15 205 85 2 1 74 0CE3371F 638 I330UF SM SA 16V FMS TP 5 SAMHWA RUBYCON 206 85 2 2 75 0 2271 638 COUF SM SA 16V M FMS TP 5 5 201 6 76 0 1056 638 UF SMS SG 50 20 5 5 SAMHWA RUBYCON 6 8 9 12 13 16 85 2 1 77 0 1056 638 CAPACITOR FIXE SMS SG 50V 20 FMS TP 5 ISAMHWA RUBYCLIN 7 85 1 78 0 04732 430 CAPACITUR FIXE 47000PF S 630V J M PE SAMHWA CM4 1 79 OCK224DK94A CAPACITOR FIXE NF 2012 50 80 20 FCYSV gt URATA CCS 1 80 OCK1040N410 CAPACITOR FIXE 0JUF D 100v 5 TPS SAMHWA CC201 1 81 OCF22408670 CAPACITOR FIXE NF 0 275V 20 BULK NI PILKOR CM3 1 82 02510 APA LIR FIX SAMHWA 4 1 83 0CK103AK519 CAPACITOR FIXE 0 01 5 50 10 TA22 BCYSP gt AE YANG 204 1 84 0 4710 519 470PF 50V B 52 AE YANG CC3 3 85 0 1020 519 PF 50V B 52 AE YANG 203 206 211 1 e 86 0CK1030K949 IXE 0 010 _ D 50 80 20 lt 5 2 AE YANG 205 216 3 87 0 1040 919 NF 50 7 52 YANG 202 214 215 2 89 0CK
76. and start operation at initial power up or following a power failure The circuits provide a LOW voltage to the reset terminal of each IC for 10ms During general operation the voltage at the reset terminal of the IC is 5V If a reset IC fails the MICOM cannot operate C LETH IC6 R14 4 7K 1 7042 13 29 RESET I ccio 2 104 104 am d SO 201 5 MICOM RESET ei E 22 EXPLANATION FOR MICOM CIRCUIT 1 4 Linear Compressor Driver Circuit It includes the driver 201 and controls the compressor The linear compressor controls the phase angle of the TRIAC to drive When the motor drives it detects double ended voltage amp electric current of the motor in order to determine the phase angle of TRIAC In the linear compressor there is a protection circuit to protect compressor under abnormal circumstances If an abnormality of electric current and voltage is detected driving the linear compressor MICOM makes driving of the compressor stop to protect the compressor After the voltage and current return to normal the compressor can be operated again after a few minutes If the compressor will not run even though the voltage and temperature readings are correct check the protection circuit IC 201
77. ansferring it to the primary side Linear Compressor driver SMPS consist of two output power source Caution The linear compressor drive circuit IC201 and the general circuit IC1 have separated supplies and grounds Therefore when checking voltages be sure to use the correct ground when checking each circuit Voltage of every part is as follows Part CM3 CE1 CE203 CE204 CE4 Voltage 120 Vac 160 Vdc 12 5 Vdc 12 5 Vdc 15 5 Vdc 12 Vdc Caution High voltage 160 VDC is maintained at the power terminal Wait at least 3 minutes after removing power cords for capacitors to discharge before taking measurements T 2 Hh ESEE F IC1 si b 104 was PWB ASSEMBLY SUB 1Cene uu E S ee ces int cot 1 fele I el cO Bc 21 EXPLANATION FOR MICOM CIRCUIT 1 2 Oscillation circuit The Oscillation circuit OSC1 amp OSC201 generate basic timed signals for time calculations and synchronization for IC1 amp 201 N N 05 201 CST8 00MCW CST4 00MGW 2 201 712 AH T MICOM MICOM 1 3 Reset circuit The reset circuits allow the MICOM ICs IC1 amp IC201 to initialize
78. bility of a defective pinch off 2 Nitrogen blowing welding Evaporator KEY POINT Welding without nitrogen blowing produces oxidized scales inside a pipe which affect performance and reliability of a product Hot Line 0 High pressure side Refrigen Condenser Intake When replacing a drier Weld a parts by blowing nitrogen 0 1 0 2kg cm to high pressure side after assembling a drier When replacing a compressor Weld a andb parts by blowing nitrogen to the low pressure side Note For other parts nitrogen blowing is not necessary because it does not produce oxidized scales inside pipe because of its short welding time 3 Replacement of drier Unit mm KEY POINT Be sure to check the inserted length of capillary tube when it is inserted If inserted too far the capillary tube will be Filter blocked by the filter Inserting a capillary tube Measure distance with a ruler and put a mark 12 3 0 on the capillary tube Insert tube to the mark and weld it 83 TROUBLE DIAGNOSIS Items Precautions 4 Vacuum degassing Evaporator Suction pipe D Hot Line Compressor Condenser Low pressure Ta High Blue pressure Yellow 7 KEY POINT If power is applied Ny during vacuum degassing vacuum degassing shall be more effective Run the compressor Connect the red
79. c on the C part turns off The other LED or LCD Graphics Turn On Normal LED or LCD graphic on the D part turns on Abnormal LED or LCD graphic on the D part turns off m Normal LEDs or LCDs graphic on the E part turns on Abnormal LEDs or LCDs graphic on the E part turns off LCD LED check function LCD LED Press and hold the Express Freeze button and the Freezer Temperature adjustment button to check the display This will turn on the backlight and all display elements Release the buttons and the display will return to its usual state 19 MICOM FUNCTION 2 1 2 A 17 Test Function The test function is a self diagnostic system designed to detect problems early and to make diagnosis and repair easier and quicker The test button is on the main PCB Test mode can run for up to 2 hours and will then default to the normal operation mode if not reset manually The function buttons are inoperable when the refrigerator is in test mode When you have finished using the test mode reset the appliance manually by unplugging it for several seconds If nonconforming contents such as sensor failure are found during performance of test mode release the test mode and display the failure code 6 The test button is inoperable if the display is showing a failure code Reset the appliance manually to use the test button Mode Operation Contents Re
80. duals Cut charging pipe ends and discharge refrigerant from drier and compressor Filter side cutters Parts replacement and welding Use R134a oil and refrigerant for compressor and drier Confirm N2 sealing and packing conditions before use Use good one for welding and assembly Weld under nitrogen gas atmosphere gas pressure 0 1 0 2kg cm Repair in a clean and dry place Pipe Cutter Gas welder gas Evacuate for more than forty minutes after connecting manifold gauge hose and vacuum pump to high drier and low compressor refrigerant discharging parts pressure sides Evacuation Speed 113 liters minute Vacuum pump R134a exclusively Manifold gauge Refrigerant charging and charging inlet welding Weigh and control the allowance of R134a charging canister in a vacuum conditions to be 5 g with electronic scales and charge through compressor inlet Charge while compressor operates Weld carefully after pinching off the inlet pipe R134a exclusive charging canister mass cylinder refrigerant R134a manifold gauge electronic scales pinch off plier gas welding machine Check refrigerant leak and cooling capacity Check leak at weld joints Minute leak Use electronic leak detector Big leak Check visually Note Do not use soapy water for check Check cooling capacity Check radiator manually to see if warm Q Check hot line pipe manually to
81. e compressor stopper if it vibtates severely Irregular sound Click Itis caused by heat expansion and contraction of evaporator shelves and pipes in the refrigerator 1 1 Check time and place of sound Sources 1 Explain the principles of refrigeration and that the temperature difference between operation and defrosting can make sounds 2 If evaporator pipe contacts with other structures leave a clearance between them freezer shroud or inner case SISONSVIG 318nO0du L Problems Causes Checks Measures Remarks Sound Popping almost the same as animals crying sound It happens when refrigerant expands at the end of capillary tube Check the sound of refrigerant at the initial installation Check the sound when the refrigerator starts operation after forced defrosting Check the restrainer attachment conditions on the evaporator and capillary tube weld joints Check the restrainer attached on the evaporator and capillary tube weld joints and attach another restrainer If it is continuous and servere insert capillary tube again depth 15 3mm Fasten the capillary tube to suction pipes or detach in the compressor compartment Explain the principles of freezing cycles Water boiling or flowing sound It happens when refrigerant passes orifice in accumulator internal pipes by the pressure difference between cond
82. eeze food Use chilled drawer for storing fresh meat or fish for short periods For storing for a long periods or freezing food use a freezer compartment It is normal that frozen foods thaw in the chilled drawer Refrigerator water is not cool Check the water storage location If water is kept in the door rack move it to a refrigerator shelf It will then become cooler Ice cream softens E Explain the characteristics of ice cream freezing point of ice cream is below 15 C 5 F Therefore ice cream may melt if it is stored in the door rack Store ice cream in a cold place or set the temperature control button of a freezer at strong position Refrigeration is too strong Check the position of temperature control button Check if refrigeration is strong in whole area of the refrigerator or partly near the outlet of the cooling air If it is strong in whole area set the control button at weak If it is strong only near the outlet of cool air keep food especially damp foods and easily frozen foods away from the outlet Vegetables are frozen Check the vegetables storage If vegetables are stored in the refrigerator shelf or chilled drawer instead of vegetable drawer they will be frozen Set the control button at weak if they are also frozen in the vegetable drawer The food stored at inside of the shelf freezes even the control button is set at MID Check if food is
83. enser and evaporator Check the sound when compressor is turned on Check the sound when compressor is turned off Explain the principles of freezing cycles and refrigerant flowing phenomenon by internal pressure difference If sound is servere wrap the accumulator with foam and restrainer Sound of whistle when door closes When door closes the internal pressure of the refrigerator decreases sharply below atmosphere and sucks air into the refrigerator making the whistle sound Check the sound by opening and closing the refrigerator and freezer doors Broaden the cap of discharge hose for defrosting in the compressor compartment Seal the gap with sealant between outer and inner cases of hinge in door SISONSVIG 3 18nO04 L vL 2 8 Odor Problems Causes Checks Measures Remarks Food Odor Food garlic kimchi etc Check the food is not wrapped Dry the deodorizer in a sunny place Check the shelves or inner with adequate ventilation wall are stained with food juice Store the food in the closed Be sure food is securely covered container instead of vinyl wraps with plastic wrap Clean the refrigerator and set Chedk food cleanliness button at strong Plastic Odor Odors of mixed food and plastic Check wet food is wrapped with Clean the refrigerator odors plastic bowl and bag It happens in the new refrigerator Persuade customers not
84. es are operating compressor during evacuation evacuated at the same time for models above 200 Vacuum EA Use R134a To protect The bushing pipes for R12 refrigerant shall piping exclusive mixing of melted when they are used for R134a manifold mineral and refrigerant causes of leak ester oils Pipe EA Use R134a To protect coupler exclusive R12 Refri gerant mixing Outlet R134a exclusive Socket Plug R134a exclusive 5 Refrigerant weighing EA Use R134a Do not mix Do not weigh the refrigerant at too hot or exclusively with R12 too cold an area 25 C 77 F is adequate Weighing refrigerant Use copper charging canister allowance 5g Socket 2SV Plug 2PV R134a Note Winter 5g Note Do not burn O ring rubber during Summer 5g welding 6 Drier replacement Use R134a exclusively To remove for R134a refrigerator the moisture Replace drier whenever from pipe repairing refrigerator cycle piping 7 Leak check Do not use soapy Detect Check oil leak at refrigerant leak area water for check refrigerant Use electronic leak detector if oil leak is It may be sucked leak area not found into the pipe The electronic leak detector is very sensitive to halogen gas in the air It also can detect R141b in urethane Please practice therefore many times before use 80 TROUBLE DIAGNOSIS 3 2 Summary Of Heavy Repair Process Contents Tools Trouble Remove ent Resi
85. ht is on for more than 7 minutes it will be turned off automatically It will operate normally if you close the door and re open it 16 MICOM FUNCTION 2 15 Sequential operation of built in product Electromechanical parts of the appliance such as the compressor defrost heater freezer fan cooling fan and damper motor are operated sequentially as shown in the chart below to prevent noise and circuit overload from everything starting at once Function Load Operation Sequence Remark When temperature If error occurs of a defrost sensor during operation becomes more POWER COMP ASTER 03 u initial operation is than 45 C MOTOR sec DAMPER C FAN DAMPER not done In purchase MOTOR ON ON movement ON 5 8 E edid lt defrost sensor POWER sx DEFROST DEFROST 2 iid ee load operation gt HEATER HEATER gt when closing becomes less ON OFF DUCT DOOR DUCT DOOR d 2 than 45 C ON amp OPTICHILL amp OPTICHILL 522 in D In power failure HEATER ON HEATER OFF reirigerator 8 service 03 PIPE PIPE 03 0 3 0 3 0 3 OPTICHILL c amp Sec amp COMP sec FFAN coc R STEP se STEP gt DISP DISP
86. inals Reconnect Lead display LCD between Main PCB main PCB and display connecting Main PCB and Wire and directly operation and display circuit PCB is cut or connector display PCB with a tester connect defective terminal connection is contact terminal to bad Lead Wire Defective LCD Defective LCD Check if all LCD are on when Replace display Refer to display Main PCB Test switch is PCB circuit in circuit pressed or when both freezer key and power freezer key are pressed at the same time for more than one second explanation SISONSVIG 318nO0u L 97 Problems Symptom Causes Checks Measures Remarks Bad cooling Freezer temperature is high Compressor does not start Compressor Lead Wire is cut Check compressor Lead Wire with a tester Reconnect Lead Wire Defective compressor Measure voltage at PCB CON2 Replace relay RY1 Refer to load driving relay 3 amp 9 after pressing main and RY2 or PCB driving circuit in test switch once It is OK if circuit voltage is normal explanation Defective freezer Defective Freezer Check resistance of freezer Replace freezer Refer to sensor sensor parts sensor with a tester sensor resistance characteristics table of sensor in circuit Refer to tables on pages 40 41 and 43 The wrong sensor has been installed Order by model number and part number Confirm the color of sens
87. into the refrigerator fine frost forms as cold air mixes with hot air If this happens quite often much frost forms inside of the refrigerator If the door is left open in Summer ice may form inside of the refrigerator Frost in ice tray E Explain basic principles of frost formation When ice tray with full of water is put into a freezer compartment the water evaporates cool air fan operates the moisture attached to the jaw protruded part of ice mold will freeze and form frost If warm water was put into the ice mold the situation will become worse 90 TROUBLE DIAGNOSIS 4 4 Others Problems Checks and Measures The refrigerator case is hot Explain the principles of radiator The radiator pipes are installed in the refrigerator case and partition plate between the refrigerator and the freezer compartment in order to prevent condensation formation Particularly in summer or after installation of refrigerator it may feel hot but it is normal If there is not enough space to dissipate heat it can be hotter due to lack of heat radiation Please install a refrigerator in a well ventilated place and leave the clearance between refrigerator and wall Small holes in a door liner There are small holes in the plastic liner of some parts of the refrigerator These holes allow plastic parts to be injection molded and vacuum formed by allowing air bubbles to be expelled They also allo
88. ions and replace it Door assembly and replacement Replacement should be done when it cannot be repaired 3 Overcooling in the refrigerator compartment Faulty damper in the refrigerator compartment Faulty MICOM faulty sensor Check refrigerator compartment is overcooled when button pressed on weak Check parts are faulty Replace faulty parts 4 Bad defrosting Heater wire is cut Defective defrost sensor Defrosing cycle Check frost on the evaporator after dissembling shroud and fan grille Check ice on intake port of freezer and refrigerator compartment Check parts related to defrosting Check defrosting Check ice on the evaporator and pipe Moisture does not freeze on the evaporator but can be sucked into the refrigerator where it condenses and freezes This interferes with cold air circulation and sublimation of the ice 5 Customers are not familiar with this machine Door opens High temperature high moisture and high load Check food interferes with door closing Check ice on the ceilings Be acquainted with how to use SISONSVIG 218 0 Problems Causes Checks Measures Remarks Ice in the freezer compartment Surface of fan grille Wall of freezer compartment Cool air discharging port Basket rack area Food surface lcing in the shute 1 Bad coo
89. its involving the freezer and refrigerator sensors controls the temperature in both the freezer and the refrigerator The Icemaker sensor detects when ice is made The defrost sensor determines both the need for defrosting and the efficiency of the defrost operation See the table below for voltages and checkpoints SENSOR CHECK POINT NORMAL 22 F 122 F IN SHORT IN OPEN Room temperature sensor POINT A Voltage Water tank sensor POINT B Voltage Freezing sensor POINT Voltage Frost removal sensor POINT D Voltage 0 5 V 4 5 V OV Cold storage sensor 1 POINT E Voltage Cold storage sensor 2 POINT F Voltage Optichill sensor POINT G Voltage 28 EXPLANATION FOR MICOM CIRCUIT 1 8 Switch entry circuit The following circuit senses signals from the test switch damper motor reed switch for testing and diagnosing the refrigerator 15 MICOM ssw 47 37 zb lic locos i n 104 1 9 Option designation circuit model separation function nre 1 5 5 72 ICON P73 The circuits shown above vary according to which features are included on your particular model u These circuits are preset at the factory and cannot be altered Separation Connection Status Application Standard api Closed Domestic KOREA Model Open Export Model Closed L P Model OP2 Open B Model 29 EXPLANATION
90. k terminal visually Fan constraint Fan shroud contact Confirm visually Fan icing Confirm visually Maintain clearance and remove ice Repair and or replace shroud if fan is constrained by shroud deformation Problems Causes Checks Measures Remarks High Poor cool air circulation due to faulty Lock Check resistance with a Replace fan motor temperature fan motor tester in the freezer 00 short compartment Q cut Reconnect and reinsert Faulty fan motor due to faulty door switch operation Iced button faulty operation Press button to check Faulty button pressure and contact Press button to check operation Door cannot press door switch button Check visually Confirm icing causes and repair Replace door switch Door sag fix door Door liner bent replace door or attach sheets Bad radiation conditions in compressor compartment Check the clearance between the refrigerator and wall 50 mm in minimum Check dust on the grill in compressor compartment Check dust on the condenser coils Keep clearance between refrigerator and walls minimum 50mm Remove dust and contaminants from grill for easy heat radiation Remove the dust with vacuum cleaner from the coils condenser while the refrigerator is off The fan may be broken if cleaning performs while the refrigerator is on SISONSVIG 218 q9
91. k the display the dispenser and the control panel press and hold the LOCK button for about 3 seconds The LOCK text on the display will be turned on 3 While the Control Panel is locked The dispenser and all control buttons except the Lock button are deactivated 4 To unlock the controls press and hold the lock button for about 3 seconds The LOCK text on the display will be turned off LOCK CONTROL Go DISPENSER amp KEY DISPENSER amp KEY Select Select LOCK LOCK again 2 1 5 Filter condition display 1 As shown below the display tells the months left in units of 30 days or about 4 700 seconds of filter usage before the filter must be replaced The timer is started at the initial power up of the refrigerator 2 After 6 months have passed the filter change will appear on the display It will show FILTER LIGHT 3 SECS 3 After 6 months have passed if the filter has been replaced or you wish to reset the indicator press and hold the Filter Light button for about 3 seconds ifinati In initial Pass of Pass of Pass of Pass of Pass of Pass of Classification Power On a month 2 months 3 months 4 months 5 months 6 months FLTER IFLER FILTER FILTER f FILTER F FILTER Filter Status MONTH MONTH 1 MONTH 20 MONTH f MONTH MONTH MONTH Display x 3 SECS 11 MICOM FUNCTION 2 2 Ice Water Dispenser Select water crushed ice or ice cubes by cycling through the se
92. le type of freezing fan 1 To increase the cooling speed and load response speed the MICOM switches the freezer compartment fan motor between high and regular speeds 2 The MICOM runs the freezer fan at high speed only at initial power up Express Freezing operation or in response to a high load The fan runs at the regular speed in all other circumstances 3 When you open the refrigerator door while the fan is running at high speed the MICOM will switch the fan to regular speed If you open the freezer door or the home bar door the fan is switched off 4 If the MICOM determines the fan is obstructed the blade cannot turn it switches the fan off When there is no fan rotation signal for 115 seconds the MICOM displays the error on the display To restart the fan clear the obstruction and turn the power off and back on 2 9 Control of cooling fan motor 1 The cooling fan is switched ON and OFF in conjunction with the compressor 2 The cooling fan runs at a single speed 3 Failure sensing method is same as in fan motor of freezing fan motor refer to failure diagnosis function table for failure display 2 10 Door opening alarm 1 Buzzer generates alarm sound if doors are not closed even when more than a minute consecutively has passed with doors of freezing cold storage room or home bar opened 2 If the doors are left open for more than one minute the buzzer sounds three 1 2 second tones at thirty second intervals for four times
93. lections when pressing the DISPENSER button DISPENSER CURE Please press the push button lightly by catching and pushing cup _ You ll hear a PLAP sound 5 seconds after ice is dispensed That is the sound of the ice dispenser door flap being closed Jow REFERENCE Hold your cup in the dispenser for a few seconds after dispensing ice or water to allow the last pieces of ice or drops of water to fall Pressing into the cup Switch 2 3 Express Freeze Jet Freeze Please select this function for prompt freezer See sections 2 5 amp 2 6 below for a detailed description of these features The arrow mark graphic remains at the On status after flickering 4 times when selecting Special Refrigeration EXPRESS FRZ or JET FRZ When Express Freeze or Jet Freeze is finished the freezer will automatically return to normal operation EXPRESS JET FRZ EXPRESS FRZ JET FRZ 2 4 Dispenser Light The dispenser light is turned on when the dispenser switch or the FILTER LIGHT button is pressed Press the FILTER LIGHT button again to turn the dispenser light off If the dispenser light is not turned off with the FILTER LIGHT button it will turn off automatically after 7minutes Ci 7 N 4 S IIl Dispenser light ON Dispenser light OFF 12 MICOM FUNCTION 2 5 Express freezing 1 Oi EXPRESS FREEZING improves the cooling speed of the freezer by running the compressor and the freezer
94. ling air circulation Intake port is clogged in the freezer compartment Discharging port is Clogged Too much food is stored Bad defrosting Check food storage conditions visually Check clogging at intake and discharging port of cooling air Check food occupation ratio in volume Less than 75 Check frost on the evaporator after dissembling shroud and fan grille Check icing at intake port of refrigerator compartment Be acquainted with how to use Check defrost Check ice on the evaporator and pipes after forced defrosting Check the parts related to defrosting if the problem is caused by the faulty defrosting 2 Bad freezer compartment door Faulty gasket Faulty assembly Check gasket attachment conditions Check door assembly conditions Correct the gasket attachement conditions and replace it Door assembly and replacement Replace when it can not be repaired 3 Over freezing in the freezer compartment Faulty MICOM Refrigerator operates pull down Check if it is operated intermittently The Temperature of freezer compartment is satisfactory but over freezing happens in the refrigerator compartment even though the notch is set at weak Replace defective parts 4 Bad defrosting Heater wire is cut Faulty defrost sensor Defrosting cycle Check frost on the evaporator after dissembling shroud and grille Check ice
95. m OK If it is not condenser outlet weld joints might be colgged Heat up compressor discharging weld joints with torch disconnect the pipes and check the clogging Remove the causes of clogging weld evacuate and recharge the refrigerant If it s warm OK If it s not condenser discharging line weld joints might be clogged Disconnect with torch remove the causes evacuate and recharge seal refrigerant Direr must be replaced Leak at loop pipe weld joint discharge in compressor Check sequence 1 Manually check whether condenser is warm It is not warm and the frost forms partly on the evaporator in the freezer compartment Replace the compressor weld evacuate and recharge refrigerant Drier must be replaced Faulty cooling fan in the compressor compartment Check sequence 1 Check cooling fan operation 2 Check that cooling fan is disconnected from the motor Replace if motor does not operate If fan is disconnected check fan damage and reassemble it Refer to fan motor disassembly and assembly sequence SISONSVIG 318nO0du L 9 2 5 Defrosting failure Problems Causes Checks Measures Remarks No defrosting Heater does not generate heat as the heating wire is cut or the circuit is shorted 1 Heating wire is damaged when inserting into the evaporator 2 Lead wire of heater is cut 3 Heating wire at lead wi
96. m machine itself inserted Sound from vibration Restrainer Bushing Too hard Seat Distorted r Aged Burnt r Stopper Bad Stopper Not fit assembly inner diameter of stopper Tilted Not r Compressor base not connected Bad welding compressor stand fallen Foreign materials in the compressor compartment OLP sound Chattering sound Insulation paper vibration Capacitor noise 7 Pipe contacts each other Narrow interval Pipe sound No vibration damper Damping Bushing Q Damping Bushing S Capillary tube unattached dispense recess Duct door is open Foreign material clogging 2 fly Med Sommer J Listo 59 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 7 Sounds 1 Compressor compartment operating sounds Transformer sound Its own fault Core gap Bad connection Correct screw connection Drip tray vibration sound Bad assembly Distortion Foreign materials inside Back cover machine sound Bad connection L Partly damaged L Condenser drain sound Ei Not connected Bad pipe caulking 2 Freezer compartment sounds Fan motor sound Normal operating sound Vibration sound Aged rubber seat Bad torque for assembling motor bracket
97. maker with hands or tools to confirm the operation of geared motor Do not suggest that customers repair their refrigerator themselves This work requires special tools and knowledge Non professionals could cause fire injury or damage to the product Do not store flammable materials such as ether benzene alcohol chemicals gas or medicine in the refrigerator Do not put anything on top of the refrigerator especially something containing water like a vase Do not put glass bottles into the freezer The contents will freeze and break the glass bottles When you scrap or discard the refrigerator remove the doors and dispose of it where children are not likely to play in or around it SPECIFICATIONS Ref No GR L267ATBT ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS 908 x 897 x 1771 mm DRIER MOLECULAR SIEVE XH 7 WxDxH 353 4 355 16 6911 16 in CAPILLARY TUBE ID 20 83 NET WEIGHT 149 kg 328 5 lbs FIRST DEFROST 4 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE 13 15 Hours TEMPERATURE CONTROL Micom Control DEFROSTING DEVICE Heater Sheath DEFROSTING SYSTEM Full Automatic Heater Defrost ANTI SWEAT HEATER Dispenser Duct Door Heater Dispenser Heater INSULATION Cyclo Pentane ANTI FREEZING HEATER Water Tank Heater COMPRESSOR PTC Starting Type Damper Heater EVAPORATOR Fin Tube Type FREEZER LAMP 40W 2 EA CONDENSER Wire Condenser REFRIGERATOR LAMP
98. marks Test 1 Press test button once 1 Continuous operation of compressor Freezer fan is off when strong cold mode 2 Continuous operation of freezing BLDC motor door is open high speed RPM and cooling BLDC motor 3 Defrost heater turns off 4 Stepping motor damper is completely opened baffle open 5 Optichill stepping motor damper is completely closed 6 All display LEDs or LCD graphics turn on Test 2 Press test button once at 1 Compressor OFF Return to the normal mode the test mode 1 status 2 Freezing BLDC motor and cooling BLDC when the defrost sensor is forced defrost mode motor turn off above 5 C 3 Defrost heater turns on 4 Stepping motor damper is completely closed baffle close 5 Optichill stepping motor damper is completely closed 6 All display LEDs or LCD graphics turn off Except for A B LCD graphic Except for A 22 B 22 LEDs Normal Press test button once at Return to the initial status Compressor will operate Status the test mode 2 status after delay for 7 minutes TEST MODE1 STATUS DISPLAY TEST MODE STATUS DISPLAY ICEBEAM HIC WA COOLING 8 SEE 1 112211219 EXPRESS FRZ WATER m ROOM TEMP FaN CRUSH af e LOSK JET LS DISPENSER amp KEY 2 18 Function of built in ice and water dispenser 1 2 3 4 This feature allows dispensing of ice and water without having to open the refrigerator door Select CUBES
99. ned and closed the freezer compartment door moves up and down When the refrigerator compartment door is opened and closed fresh air comes into the freezer compartment and moves up and down the freezer compartment door Door opens too easily There is a magnet in the gasket so it closes securely without a gap It can be held open easily if something is in the way and obstructs the door s closing door does not close properly If the refrigerator is not properly leveled the doors will not close easily Adjust the level using the leveling screws under the front of the refrigerator 91 HOW TO DISASSEMBLE AND ASSEMBLE 1 DOOR 1 Remove lower cover and then disconnect water supply tube in the lower part of freezer door Pull the water supply tube b forward while pressing on the coupling as shown in the drawing 4 Disconnecting the tube under the door causes about 1 5 litters water to flow out Please put up a big container to prevent it 2 Remove a freezer door 1 Loosen hinge cover screw of freezer door and remove cover Disconnect all connecting lines except grounding cord a xS Y Line Earthing Cord 2 Turn hinge lever in arrow direction until it is loosened and take it out in arrow direction Hinge Lever Note When disconnecting refrigerator door turn hinge lever counterclockwise If the hinge or bracket are bent during assembly use two ex
100. ng on the shroud Fix the drip tray if it is loosened Sound depends on the installation location Sound becomes louder if the refrigerator is installed on a wooden floor or near a wooden wall Move it to the another location If the refrigerator is not leveled properly a small vibration can make a loud sound Please adjust the level of the refrigerator 87 TROUBLE DIAGNOSIS Problems Checks and Measures Sounds of water flowing E Explain the flow of refrigerant When the refrigerator stops the water flowing sound happens This sound happens when the liquid or vapor refrigerant flows from the evaporator to compressor Click sounds B Explain the characteristics of moving parts This noise comes from the MICOM controller s switch on the top of the refrigerator when it is turned on and off Noise of Icemaker operation applicable to model with Icemaker Noise produced by ice dropping and hitting ice bin Noise from motor sounds Hiss Explain the procedure and principles of Icemaker operation Automatic Icemaker repeats the cycle of water supplying icemaking ice ejection When water is supplied the water supply valve in the machine room makes sounds like Hiss and water flowing also makes sound When water freezes clicking sounds are heard When ice is being ejected sounds like Hiss produced by a motor to rotate an ice tray and ice dropping and hitting ice bin sounds a
101. nge Up Up Up Up Up Up Up Up Up 17 0 5 C No 0 5 C 1C 1 5 2 25 C 3 3 5 4 3 3 ko 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F 5 4 F 6 3 F 7 2 F Down Down change Up Up Up Up Up Up Up Up 1 5 1 0 5 No 0 5 1 C 1 5 C 2 25 3 35 5 6 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F 5 4 F 6 3 F Down Down Down change Up Up Up Up Up Up Up 2 0 1 5 C 1C 0 5 No 0 5 1 150 2 25 3 8 2 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 8 6 F 4 5 F 5 4 F Refrigerator Down Down Down Drop change Up Up Up Up Up Up RCR1 2 5 0 2 C 1 5 C 1 C 05 No 0 5 1 1 5 2 25 10 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F Down Down Down Down Down change Up Up Up Up Up 37 25 2C 157 1 05 No 0 5 C 1 C 1 5 2 12 5 4 F 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F Down Down Down Down Down Down change Up Up Up Up 35C 3C 25 C 2 C 1 5 C 1 C 05 No 057 1 1 5 C 18kQ 6 3 F 5 4 F 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F Down Down Down Down Down Down Down change Up Up Up 4C 135C 3C 25 C 2 C 1 5 1 0 5 No 0 5 C
102. on to control Heater on its OFF condition it is being initialized If not it is not functioning Repeat Step B with Heater and Motor off 2 2 Mode 1 Icemaking control refers to the freezing of supplied water in the ice trays Complete Icemaking operations by measuring the temperature of the Tray with Icemaking SENSOR 2 Icemaking starts after completing fulfilled ice control and initial control 3 The Icemaking function is completed when the sensor reaches 19 F 7 C 60 to 240 minutes after starting 4 If the temperature sensor is defective the Icemaking function will be completed in 4 hours 2 3 Harvest with Dump Mode 1 Harvest with Dump control refers to the operation of dropping cubes into the ice bin from the tray when Icemaking has completed 2 Harvest with Dump control mode 1 Operates Heater for 30 seconds then operate MOTOR 2 After performing Step 1 to control the Heater on its off condition Ice Removal control will be back in place wthin 18 minutes Hall SENSOR sign OV Ice removal is then complete Then change the mode to the water supply control If this control phase fails to start it is not functioning Put the Heater and Motor in the off position Restart every 2 hours Refer to fig 1 NOTE If the motor malfunctions and starts before the detect lever rises MICOM regards the Ice Removing phase as completed Water then starts flowing To prevent this MICOM doesn t switch to water s
103. or A area in above drawing of machine room When the resistance value reaches at the standard points compressor would diagnose as NORMAL Check the connection of Harness Loose connectors in the machine room loose contact of CON2 housing broken in the harness b When the resistance value measured at A shows infinity Q or hundreds MQ check the terminal connection at B after disassembling the cover PTC of compressor terminal If it is NORMAL check OLP connection in the cover PTC With the double ended resistance value of OLP you can also know if it is normal or abnormal When resistance value in the double ended OLP shows under 5 Q it is normal If the resistance value is over 5 Q it can be diagnosed as a short circuit of the OLP and no electricity is being supplied to the compressor c If there are no problems in the wiring and the resistance is still very high infinity or hundreds of Megaohms it may have a faulty compressor d If the resistance within the compressor is okay the main PWB may be faulty Replace the PWB and then recheck for normal compressor operation Warnings 1 Unplug first After some minutes the measurement should be done 2 The inaccurate resistor value could cause mis judgment The resistor value could be flexible some 3 As the capacitor is under charging even in the condition of power off be careful to prevent electric shock 52 TROUBLE DIAGNOSIS 1 TroubleShooting CLAI
104. or in circuits main PCB sensor housing Repair main PCB sensor housing explanation Defective freezer fan motor Fan motor lead wire is cut Check fan motor lead wire with a tester Reconnect lead wire Defective door switch freezer refrigerator home bar Defective fan motor Defective fan motor driving relay Measure the voltage between PCB power blue line and fan motor after pressing test switch of Main PCB If the voltage is normal it is OK Replace door switch freezer refrigerator and home bar Replace fan motor Replace relay RY5 amp RY6 or PCB Refer to load driving circuits in circuit explanation Faulty defrost Refer to faulty defrost items in trouble diagnosis functions Refer to trouble diagnosis function SISONSVIG 218 Problems Symptom Causes Checks Measures Remarks Bad cooling Wrong Defective Step Motor Check Step Motor Check if Step Motor damper Reconnect lead Refrigerator Damper damper motor and motor and reed switch lead wire temperature reed switch and lead wire are cut with a tester wire are cut Check Step Motor damper part Refer to Step Motor damper in parts repair guide Replace Step Motor damper or refrigerator control box Assembly Check Step Motor damper Motor driving relay in PCB Refer to Step Motor damper in parts repair guide Replace relay or
105. r 8Hr 4Hr 90Min 50 F 2 7 2 Thawing and Quick Cooling function in OptiChill 1 When you press the SELECT button on the right the THAW LED will light The time for the selected function will be shown You can cycle through the options in this order QUICK COOLING THAW OFF QUICK COOLING 90 Min THAW 0 5 Ibs 4 hours gt THAW 1 5 Ibs 8 hours THAW 3 5 Ibs 12 hours QUICK COOLING THAW OFF If QUICK COOLING THAW is selected the NOTCH temperature in the Optichill will not be displayed 2 If QUICK COOLING is selected the Optichill damper is opened and the fan motor is turned on If the Optichill does not reach the set temperature after no more than ninety minutes the setting is released 3 The Optichill will count down from 90 minutes and show the remaining time in minutes 4 When the QUICK COOLING cycle ends or is released the setting defaults to FRUIT VEGE 39 F 5 If a THAWING is selected the Optichill damper is closed and the time and temperature will be set according to the thawing function selected The thawing function will be automatically terminated at the ned of the set time 6 When in THAW mode the sensor controls the heater to keep the set temperature 7 When in THAW mode the display counts down the remaining time in minutes 8 When the THAW mode is released the Optichill automatically defaults to CHILLED ROOM 30 F 14 MICOM FUNCTION 2 8 Control of variab
106. re also heard Noise when supplying water Explain the principles of water supplied to dispenser When the water supply button in the dispenser is pressed the water supply valve in the compressor compartment opens and let the water flow to the water tank in the lower part of the refrigerator compartment The water is dispensed by this pressure When this happens motor sound and water flowing sound are heard Noise when supplying ice W Explain the principles of ice supply and procedure of crushed icemaking in a dispenser When ice cube button is pressed ice stored in the ice bin is moved by an auger and dispensed If crushed ice button is pressed the ice cube is crushed When this happens ice crushing and hitting ice bin sounds are heard 88 TROUBLE DIAGNOSIS 4 2 Measures for Symptoms on Temperature Problems Checks and Measures Refrigeration is weak Check temperature set in the temperature control knob Refrigerator is generally delivered with the button set at normal use MID But customer can adjust the temperature set depending on their habit and taste If you feel the refrigeration is weak then set the temperature control button at strong position If you adjust the button in the freezer compartment as well the refrigeration is stronger than adjusting refrigerator only not frozen but defrosted The food in the chilled drawer is The chilled drawer does not fr
107. re contacts is cut Check the resistance of heater 00 Short Cut Tens to thousands O OK 2 Check the resistance between housing terminal and heater surface 00 Short Cut Tens to thousands O Short Heating wire is short and wire is cut Parts replacement Refer to parts explanations Seal the lead wire with insulation tape and heat shrink tube if the cut lead wire is accessible to repair Suction tube and discharge orifice 1 Impurities 2 Ice Confirm foreign materials In case of ice insert the copper line through the hole to check 2 Put hot water into the drain check drains outside 1 Push out impurities by inserting copper wire Turn off more than 3 hours and pour in hot water if frost is severe 2 Put in hot water to melt down frost 3 Check the water outlet 4 Push the heater plate to suction duct manually and assemble the disconnected parts Gap between Suction duct and Heater plate Ice in the gap 1 Confirm in the Suction duct 1 Turn off the power confirm impurities and ice in the gap and supply hot water until the ice in the gap melts down 2 Push the Heater plate to drain bottom with hand and assemble the disconnected parts Wrong heater rating or wrong assembly 1 Check heater label 2 Confirm the capacity after substituting the resistance value into the formula P V V Rated voltage of user country pon
108. rinciple of Icemaker Power On Start Position Adjusts EJECTOR to Start Position with power on Icemaking Waits until water becomes cold after starting the ice making operation e Runs MOTOR to drop ice from the tray to the ICE BIN Performs Icemaking Mode after supplying water by operating the SOLENOID in ICE VALVE Park Position o w ww v wv With the detect lever checks if the ICE BIN is full Test Mode To operate LINE and SERVICE press and hold the water supply control switch for 3 seconds The icemaker will run through 3 stages Dump Fill 1 Turning the Icemaker stop switch off O stops the icemaking function 2 Setting the Icemaker switch to OFF and then turning it back on will reset the icemaker control 45 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 2 Control Method according to Functions 2 1 Start Position 1 After POWER OFF or Power Outage check the EJECTOR s position with MICOM initialization to restart 2 How to check if it is in place Check HIGH LOW signals from HALL SENSOR in MICOM PIN 3 Control Method to check if it is in place 1 EJECTOR is in place Itis an initialized control so the mode can be changed to ice making control 2 EJECTOR isn t in place A If EJECTOR is back in place within 2 minutes with the motor on it is being initialized If not go to Step B B If EJECTOR is back in place within 18 minutes with the heater
109. ro crossing 20 PHYNTI Zero Crossing CST8 00MGW mi 1H Hn 2 RII 16 e E 5 7042 29 RESET PEXAINS Tdac Voltage wv Tet Lll qe 104 Voltage 9206 KRCI06M EA M ibn KRC106M KRCIOGM 5 rem roc SOY Ao 76 la ols pA TROPICAL ZONE HEATER FG 1 E E E PIPE HEATER Rvs lr 7 aerem Bn 101 o lt HEATER F eno u r3 ICBe 2 A wm e F LAuP Fenaaa AUGER MOTOR 8 isl ale 10 por Dn LAMP dag 3 Ame SOLENOID amp DEREN LENO 91 ooa WATER m 1 _ 7 dal i en 1 prz PR SOLENOID d DISPENSER pos 5 DAMPER DUCT DOOR x HEATER SHEET re 51 ps2 18 o 1 43 EXPLANATION FOR MICOM CIRCUIT HEATER SHEET 901 DUCT DOOR Uu s 3 4 2 zi 4 2 gt Eo e 3 4 bi Im sevis XS sy 6 8 Fos ans wel A RT SENSOR Po 18 mz kas Ex sem enel ar WI SENSOR Ap qo T PE ee d 1 H ior aI RDIS VB0v pes 51 3 em D SENSOR ar 22 mo 15 p ls L 3 9 F DOOR S W 6 a 2 7 vo d Q FREEZER BOX FAN MOTOR
110. s may not be the same 1 If the freezer door is lower than the refrigerator 2 If the freezer door is higher than the refrigerator door door Height Difference p 2 4 d 7 1 CD Adjusting 1 1 Screw 1 s 7 2 Driver Pd 2 amp gt Insert a driver into the groove A if the adjusting Insert a driver into the groove A if the adjusting screw and turn in the direction of the arrow clockwise screw and turn in the direction of the arrow clockwise until the refrigerator is level until the refrigerator is level HOW TO INSTALL REFRIGERATOR 2 Filter Replace the filter when the indicator light comes on or the performance of the icemker or water dispenser decreases noticeably C y 2 After changing the water filter cartridge reset the water filter status display and indicator light by pressing and holding the FILTER LIGHT button on the control panel for 3 seconds see page 18 1 Remove the old cartridge Twist the knob of the cartridge counter clockwise J When the cartridge is removed you will feel it click Pull out the cartridge NOTE There will be some water 25 in the filter cartridge Some spilling may occur Catch it in a bowl or towel 2 Replace with a new cartridge Take the new cartridge out of its packaging and remove protective cover from the o rings With cartridge knob in the vertical position
111. see if warm Check frost formation on the whole surface of the evaporator Electronic Leak Detector Driver Ruler Compressor compartment and tools arrangemen Remove flux from the silver weld joints with soft brush or wet rag Flux may be the cause of corrosion and leaks Clean R134a exclusive tools and store them in a clean tool box or in their place Copper brush Rag Tool box Transportation and installation Installation should be conducted in accordance with the standard installation procedure Leave space of more than 5 cm 2 inches from the wall for compressor compartment cooling fan mounted model 81 TROUBLE DIAGNOSIS 3 3 Precautions During Heavy Repair Items Precautions 1 Use of tools 1 Use special parts and tools for R134a 2 Recovery of refrigerant 1 Continue to recover the refrigerant for more than 5 minutes after turning the refrigerator off 2 Install a piercing type valve on the high pressure line drier side Then use the appropriate recovery equipment to recover the refrigerant from the system When the refrigerant has been recovered install a piercing type valve on the low pressure side IT IS IMPORTANT TO OPEN THE SYSTEM IN THIS ORDER TO KEEP THE OIL FROM BEING FORCED OUT The use of piercing type valves will allow future servicing and eliminates the possibility of a defective pinch off Evaporator Compressor Low pre
112. sor short circuit O ambient sensor Note 1 10 Abnormal Normal display Optichill sensor short circuit O Optichill sensor Note 2 11 Abnormal Main Er Cd Communication Error between standard O No defrost PWB Main Micom and Compressor small RPM communication Driver Micom in Main PCB stroke 12 Abnormal Linear Er Cp Linear Compressor failed starting OFF OFF OFF No defrost compressor continuous 13 Abnormal Er Po Abnormal Supplied Power OFF standard Voltage RPM Voltage All displays turn off other than freezer room temperature display and refrigerator room temperature display failure code indication part in case of indicating failure modes except for Note1 Note2 18 MICOM FUNCTION Note1 The freezer and refrigerator temperature displays are also used to display error codes The exception is that when the ambient temperature sensor fails it shows Er in the ambient temperature display All other display elements will function normally Note2 The R2 sensor Optichill sensor and water tank sensor are not indicated in the error codes but you can see these errors by entering the test mode by pressing and holding the Freezer Temperature and Super Freezer buttons simultaneously r R2 sensor middle room t Optichill sensor Water tank sensor Normal LED or LCD graphic on the C part turns on Abnormal LED or LCD graphi
113. ssure side Condenser 1 High pressure side 3 Replacement of drier 1 Be sure to replace drier with R134a only when repairing pipes and injecting refrigerant 4 Nitrogen blowing welding 1 Use pressurized nitrogen to prevent oxidation inside the piping Nitrogen pressure 0 1 0 2 kg cm2 5 Others 1 Only nitrogen or R134a should be used when cleaning the inside of piping of the sealed system 2 Check leakage with an electronic leakage tester 3 Be sure to use a pipe cutter when cutting pipes 4 Be careful not to let water intrude into the system 82 TROUBLE DIAGNOSIS 3 4 Practical Work For Heavy Repair Items Precautions 1 Removal of residual refrigerant Evaporator Low pressure side KEY POINT Observe the sequence for removal of refrigerant If not compressor oil may leak Hot Line Compressor High pressure side Intake 1 Continue to recover the refrigerant for more than 5 minutes after turning the refrigerator off 2 Install a piercing type valve on the high pressure line drier side Then use the appropriate recovery equipment to recover the refrigerant from the system When the refrigerant has been recovered install a piercing type valve on the low pressure side IT IS IMPORTANT TO OPEN THE SYSTEM IN THIS ORDER TO KEEP THE OIL FROM BEING FORCED OUT The use of piercing type valves will allow future servicing and eliminates the possi
114. stance An analog tester has too great a margin of error Resistance of the cold storage sensor 1 and 2 shall be measured with a digital tester after separating CON8 of the PWB ASSEMBLY and the MAIN part u Resistance of the freezing sensor shall be measured with a digital tester after separating CON7 of the PWB ASSEMBLY and the MAIN part 36 EXPLANATION FOR MICOM CIRCUIT 1 14 OptiChill stepping MOTOR Display CON10 DAMPER HEATER HU PARS 9 16 7774 2 C 1 1 n2 z 5 15 gt fur 26 M Porra 14 4 bab 39 10K 7 10K 10K ST OP 8 B P3 40 5 Pa 6 B 7 MAGIC ROOM its MOTOR t 8 P64 9 MAGIC ROOM AINA ene SENSOR 10 oe 5ov T 110 n 1 s _ 1012s 024565 gt AE p CON11 CON101 D104 P10 12H 4 D pn 19 5 pe 1142 0102 12 18 5 15 10H D101 10 A 5 o 20 7 4 olla i E BB E 9 y E 416 7 819 P14 21 1 20 R62 A 2701 20 815 12 18 22 2 19 R63 E pia Do 2 01 2w 716 19 16 23 he R64 2
115. stored near the outlet of the cooling air The temperature at cooling air outlet is always below the freezing point Do not store food near the outlet of the cooling air as it block the air circulation Do not block the outlet If the outlet of the cooling air is blocked the refrigerator compartment will not be cooled 89 TROUBLE DIAGNOSIS 4 3 Odor and Frost Problems Checks and Measures Odor in the refrigerator compartment Explain the basic principles of food odor Each food has its own particular odor Therefore it is impossible to prevent or avoid food odor completely when food is stored in the completely sealed refrigerator compartment The deodorizer can absorb some portions of the odor but not completely The intensity of odor depends on refrigerator conditions and environments Check the temperature control button and set at strong Clean inside of the refrigerator with detergent and remove moisture Dry inside the refrigerator by opening the door for about 3 or 4 hours and then set the temperature control button at strong Frost in the freezer compartment E Explain the basic principles of frost formation The main causes for frosting Door was left open Air penetration through the gasket Too frequent door opening parties etc Hot foods are stored before they are cooled down The temperature of freezer is 19 C 2 2 F if temperature is set at MID If hot air comes
116. terminals of power cord Power conducts OK No power conducts NG E Check both terminals of OLP If power conducts OK If not NG 53 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 2 No cooling 2 Refrigeration system is clogged E Heat a clogged evaporator to m Moisture Residual moisture Air Blowing Not performed cheek IPAS Spon AE ME clogged in the evaporator Too short cracking sound starts the OPE evaporator will begin to Impossible moisture confirmation i Low air pressure Leave it in the air During rest time After work Caps are missed Residual moisture Not dried in the compressor F Elapsed more than 6 months after drying Caps are missed No pressure when it is open No electric Insufficient drier DY drier Drier temperature poweron capacity Leave it in the Check on package thermo condition stat L Good storage after finishing p Residual moisture Caps are missed During transportation In pes During work Air blowing Not performed Performed Too short time Low air pressure L Less dry air Voisture penetration Leave it in the air Moisture penetration into the refrigeration oil E The evaporator does not cool Short pipe insert from the beginning bris i Pipe gaps Too large no evidence of moisture 222 posce pipes attached Too much solder The evaporator is the same
117. to use plastic bag or wraps with wet food or odorous foods Odor from the deodorizer Odor from the old deodorizer Check the deodorizer odors Dry the deodorizer with dryer and then in the a sunny and well ventilated place Remove and replace the deodorants Deodorizer option SISONSVIG 318nO04 L 9 2 9 Problems Symptom Causes Checks Measures Remarks Bad PCB All display Bad connection Bad connector Visual check on connector Reconnect electric power LCD are off between Main PCB connection from main connection connector and display circuit PCB to display PCB Defective PCB PCB transformer Check resistance of PCB Replace PCB Applicable to transformer winding is cut transformer input and output transformer or PCB model without PCB transformer terminals with a tester dispenser temperature fuse is If resistance is infinity trans burnt out winding is cut Defective PCB electric Defective regulator IC Check voltage at input output Replace regulator Refer to electric circuit parts 7812 7805 terminals circuit in circuit explanation PCB electric terminal Check fuse in PCB electric Replace PCB fuse fuse is burnt out terminal with a tester STR Parts are Check if STR No 2 and pins Replace parts Applicable to damaged are cut when power is off model with dispenser Abnormal Bad connection Lead Wire connecting Check Lead Wire term
118. tra screws Tap Tite M6 Left Hinge attaching screw in the holes of the upper hinge 3 Disconnect upper hinge from the hinge supporter b by grasping the front part of upper hinge and lifting up Hinge Assembly U in arrow direction 6 and pull forward in arrow direction Be careful because the door may fall damaging the door the floor or injuring you 4 Lift the freezer door as shown below high enough for the water line to be pulled through the hinge Be careful not to kink or smash the water line 5 Assembly is the reverse order of disassembly 92 HOW TO DISASSEMBLE AND ASSEMBLE 2 HANDLE 1 Aluminum Handle Model 1 Use a small screwdriver blade in the groove at the side of the Deco Handle to lift and separate the cover Twist down in the direction of arrow and lift the cover in the direction of arrow b E Deco Handle 2 Use a small screwdriver blade in the groove at the side of the Deco Handle to lift and separate the cover Twist down in the direction of arrow and lift the cover in the direction of arrow 3 Push the handle piece in the direction of the arrow and disconnect it 4 Turn screw in arrow direction with a philips driver and disconnect Handle Piece 2 Plastic handle Model 1 Use a small screwdriver blade in the groove at the side of the Deco Handle to push it down slightly and separate the cover Push down in the direction of
119. upply mode but restarts the ice removing mode If this happens 3 times the motor is malfunctioning and you should stop the loads Heater Motor Then restart the Ice Removing mode every 2 hours See Step 2 above Heater OFF condition Icemaking sensor temperature is 50 F 10 C or more Max 18 minutes After detect LEVER rises on Heater off 1 2ms 1 1 bag Motor on Ice removing i completion point off 110 sec 1 1 al he 1 1 Hall IC i ov 46 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 2 4 Fill Park Position 1 When Ice Removing control Normal Ice Removing control Ice Removing control for test has completed and the EJECTOR is in place this control operates the ICE SOLENOID by time check in the compressor enclosure of the refrigerator Then it supplies water to the ice making tray 2 The water supply level is adjustable to 5 levels by pressing the water supply control switch The selected level will determine the fill time Water supply amount TABLE STAGE TIME TO SUPPLY INDICATIONS REMARKS 1 4 2 4 5 sec Co The water amount will vary depending co on the water control Switch setting as 3 5 sec well as the water pressure of the connected water line m n 4 5 5 sec E cI remm LLL 5 6 sec Co
120. ut volt are with tester between power cord and products Check the resistance of power cord with tester if it is 00 it is shorted Find and remove the cause of problem ex short high voltage low voltage Replace with rated fuse Replace with rated fuse after confirming its specification W f fuse blowns out frequently confirm the cause and prevent 2 2 Compressor Power Mode Full f itis standard value it is normal Check other parts Problems Checks Measures Remarks Compressor Check the resistance If resistance is higher than The resistance value of does not Standard values are as follows Full Mode 1 50 Power Mode 1 50 standard value replace with a full mode is always operate new compressor bigger than it of power mode If Compressor assembly parts are normal capacitor OLP apply power directly to the compressor to force operation using slidacs Slidacs OLP If starts as soon as it is contacted During forced operation Operates Check other parts Not operates Replace the frozen compressor with a new one weld evacuate and recharge refrigerant Slowly increase voltage from 20V to 60V Caution Don t increase voltage over 60V SISONSVIG 318nO0u L 79 2 3 Temperature Rotate rotor manually and check rotation Wire is cut Bad terminal contact Chec
121. w foam insulation to be pumped into cavities where air bubbles may build up Condensation on the inside wall of the refrigerator compartment and the cover of container the vegetable drawer Explain how to store foods Condensation forms when a refrigerator is installed in a damp area when the door is frequently opened and when wet foods are not stored in an air tight or wrapped Be sure to store wet foods in airtight containers or securely covered in plastic wrap When is the power connected When should the power be connected You can connect the power immediately after installation However if the refrigerator was laid flat before or during installation you must stand it upright for 6 hours before plugging it in This allows the refrigerant oils to return to the sump in the compressor If you operate the refrigerator before the oil has had a chance to settle you could damage the compressor Door does not open properly The front side should be a little bit higher than the rear side Refrigerator compartment door does not open properly When the door is opened warm air enters the refrigerator When the door is closed this air contracts as it cools creating a slight vacuum within the refrigerator If the door is left open for a long time allowing the air to become very warm in the refrigerator this phenomenon will be more noticeable When the refrigerator compartment door is ope
122. y old ice cubes will become cloudy taste stale and shrink NOTE Water pressure will affect the amount of water which enters the icemakers To change the size of ice cubes toggle through the size options by pressing the Water Supply Control switch repeatedly The higher the position of the indicator light the larger the cubes will be 3 3 When you should set the icemaker power switch to O off When the water supply will be shut off for several hours When the ice storage bin is removed for more than a minute or two When the refrigerator will not be used for several days 3 4 Normal sounds you may hear icemaker water valve will buzz as the icemaker fills with water If the power switch is in the I on position it will buzz even if it has not yet been hooked up to water To stop the buzzing move the power switch to O off NOTE Keeping the power switch in the on position before the water line is connected can damage the icemaker You will hear the sound of cubes dropping into the bin and water running in the pipes as the icemaker refills 3 5 Preparing for Vacation Set the icemaker power switch to O off and shut off the water supply to the refrigerator If the ambient temperature will drop below freezing have a qualified servicer drain the water supply system on some models to prevent serious property damage due to flooding from ruptured water lines or connections MICOM FUNCTION

LRSC26960xx Service Manual

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