LG GR-L207ER and Parts List And Instructions Manual Download Page 71 | Manualshive

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Summary of Contents for GR-L207ER and

Page 1: ...ectrical components when replacing them 7 Make sure the hook is correctly engaged Remove dust and foreign materials from the housing and connecting parts 8 Do not fray damage machine heavily bend pull out or twist the power cord Please check the evidence of moisture intrusion in the electrical components Replace the parts or mask it with insulation tapes if moisture intrusion was confirmed 10 Do n...

Page 2: ...over Hinge CoverPWB o o _ El II_l_ Water Tube Freezer Refrigerator Compartment Compartment Automatic ice maker Lamp Shelf Door rack Box optional Sheff Steel T Glass or Shelf optional Shelf r rack Door Lower Cover Conversion Switch MeatsNegetables Humidity Switch drawer Meat drawer 14 ...

Page 3: ...ezer door is lower than that of refrigerator compartment 2 If the height of freezer door is higher than that of refrigerator compartment Height Difference Insert a driver _ into the groove 0 of adjusting screw and rotate driver in arrow direction clockwise until the refrigerator becomes horizontal Insert a driver _ into the groove O of adjusting screw and rotate driver in arrow direction clockwise...

Page 4: ...ectly to the water tap Please confirm the following installation parts Valve Feed Rubber Packing Connector Pipe _ Co_nnec_or Pipe Tape Teflon Class Conve _ible Water Valve Water Conn ector Shape and Spec Connector MECH Pipe Nomenclature Valve Feed Connector MECH Pipe ConversionConnector 3 4 BalanceCenector 3 4 Packing e24x3t 4932JA30038 ConversionConnector W25 BalanceConectoor W25 Packing _23x3t C...

Page 5: ...is connected to hot water line trouble may occur Please check rubber packing when connecting feed pipe Pipe Connector B Valve How to wind Sealing Tapes Single Lever Type Faucet general General Type Two Hands Type Faucet Feed Valve Single Lever Type Faucet one hole tech type and hand spray Feed Valve 2 Water Supply 1 After the installation of feed water plug the refrigerator to the earthered well o...

Page 6: ...ter will come out doe to pressure drops Use standard feed tube to prevent leaking Outternal Filter t Filter Fixation 1 Connect feed tube to the filter outlet and water valve connecting tube 2 Fix the rifler at proper place around the sink where it is easy to replace the filter and to receive the cleaning water Please consider the length of tube shaft be less than 12m when locating filter 3 When fi...

Page 7: ...he sticker Insert the upper part of the filter O after aligning with the guideline marked on the control box and fasten it by turning it clockwise by 90 degrees Note Check that the guideline and the fastening indication line ere aligned J ubstitute cap n 2 Replacement of water filter While holding the lower part of the filter turn it counterclockwise _ by 90 degrees and pull II down Note Check tha...

Page 8: ...ds as shown below 2 The bell tings ding dong and ice tray rotates and water comes out from the icemaker water tube 3 The water shall be supplied two or three times into the tray The amount of water supplied for each time is small Put a water container under the ice tray and press test switch 4 When ice tray rotates the water in it will spill Collect the spilt water and throw away into the sink 5 W...

Page 9: ...oFF ON ON 9 Sec ON ON ON 10 Sec 1 The water supplying time is set at five seconds when the refrigerator is delivered 2 The amount of water supplied depends on the setting time and water pressure city water pressure 3 If ice cube is too small increase the water supplying time This happens when too small water is supplied into the ice tray 4 If ice cube sticks together decrease the water supplying t...

Page 10: ...5 C 20 5 C i il s_ i_ Max 23 C 22 C 22 C 0 C 0 C m o_1 u Min 15 C 16 5 C 6 C 7 C 4 5 C 1 5 C 1 C i i Medium Min 17 C 18 C 4 5 C 3 C The lemperatm_ can vary 3 C depending on the load condition 1 12TVi60Hz 110_115Vi60IIz I 15Vi601 lz Rating ONLY TAIBEI 1 When power is initially applied or reapplied after power cut Medium is automatically selected 2 When the temperature selection switch in the freeze...

Page 11: ... When ice maker does not operate smoothly Ice is lumped together When ice is lumped together take the ice lumps out of the ice storage bin break them into small pieces and then place them into the ice storage bin again When the ice maker produces too small or lumped together ice the amount of water supplied to the ice maker need to adjusted Contact the service center _If ice is not used frequently...

Page 12: ...motor performs ON OFF control by linking with the COMP 2 It controls at the single RPM without varying RPM 3 Failure sensing method is same as in fan motor of freezing fan motor refer to failure diagnosis function table for failure display 2 6 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 ...

Page 13: ...amage occurred due to simultaneous operation of a lot of parts in applying initial power and completing test Function Whentemperature of a frost removal sensor becomes more than 25 C in purchase movement When _ temperature of a 3 frost removal sensorbecomes _ less than 25 C _ In power failure _ service Load Operation Sequence Testmode1 Compulsory 0 5 0 3 F FAN POWER sec COMP sec C FAN ON ON ON L J...

Page 14: ...M Abnormal Uppershelf refrigeratorsensor is Standard CD refdgeretor sensor _ cut or shod circuited RPM 1 R1 upper shelf T n therefrigerator 3 Note 1 Lowershelf refrigeratorsensor is Standard cat or short circuited RPM Abnormal re _ erator sensor 2 R _ lowersha_f in the reffigerato0 Abnormsldefrost sensor Fau_ defrost Abnormal freezer BLDCfanmotor Abnormal cuolin9 BLDC fan motor 4 5 8 Abnormal morn...

Page 15: ...nishing test mode always pull the power cord out and then plug in it again for the normal state 5 If nonconforming contents such as sensor failure are found during performance of test mode release the test mode and display the failure code 6 Even if pressing the test button dudng failure code display test mode will not be pedormed MODE Test 1 Test2 HANDLING Press TEST s w once Press TEST s w once ...

Page 16: ... energy of the pdmary side of the switching terminal to the secondary side and the feedback part IC3 IC4 transferring it to the primary side Caution Since high voltage DC310V is maintained at the power terminal please take a measure after more than 3 minutes have passed after removing power cords in the abnormal operation of a circuit Voltage of every part is as follows Voltage r 1220 Vac inspecti...

Page 17: ...I i r MosclE CST4 0OUGW I J_ r_ osclr_ I L_Lt_ _1T i t R1030_ 1M 3 ___ _j 1 3 Reset circuit The reset circuit is circuit allowing various parts such as RAM inside of MICOM IC1 to initialize and the whole of function to start from the initial status when initial power is inp_ or when power is applied again to MICOM by a spontaneous power failure LOW voltage is applied to the reset terminal of MICOM...

Page 18: ...d both ends of switch to determine door open at MICOM Since a door switch of the home bar is connected to door switch C D of the cold storage room it senses door opening if even one of both is opened_ 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 1 GR L207ERA GR L247ERA Type of Load _4easudn...

Page 19: ...o the door open sensing circuit toward both ends of switch to determine door open at MICOM Since a door switch of the home bar is connected to door switch C D of the cold storage room it senses door opening if even one of both is opened Type of Load Measuring part IC7 Status Oo_FNF COMP Frost Removal AC Converting R room LAMP Homebar Heater Relay Heater No lO No ll No 12 NO 14 No 16 Within 1 V 12V...

Page 20: ...D112 Dt2 R_O A 11 R_ 11 ALD112 Dig 1__ _721 4 g10 _ _ 14 _K ZW 104 _74 AIN14 P75 p77 p iN_7 POO IC1 MICOM P02 P_ P_ t Check load driving status Type of Load Measuring part Status 0 _ F GEARED MOTOR IC6 No 13 SOLENOID CUBE IC6 No 12 WATER VALVE ICE WATER IC6 No ll IC6 No 10 Within 1 V SOLENOID DISPENSER No 12 HOME BAR HEATER No 10 12V 2 Lever S W sensing circuit On Press OFF ICl Micom No 16 5V SOLE...

Page 21: ... GR B207ERA GR B247ERA Measuring part Door of Freezing Cold Storage Room _ Closing Opening IC1 MICOM No 47 46 Pin 5 V _ _ _ _ S W at both ends ere at Off status 5 V _ _ _ _ S W at both ends are at On status Since door switch sensing switch A B are a separate switch even if the door switch of the freezing room normally operates they may fail to sense door opening in the failure of switch at both en...

Page 22: ...g temperature at the freezing room and cold storage room ice making sensor for sensing water temperature in ise making or an evaporator for sensing temperature of a frost removal sensor necessary for frost removal Short or open status of eveP temperature sensor is as follows SENSOR Freezing sensor Frost removal sensor Cold storage sensor 1 Cold storage sensor 2 Ice making sensor Room temperature s...

Page 23: ...d storage room sensor for adjusting setting temperature at the freezing room and cold storage room ice making sensor for sensing water temperature in ice making or an evaporator for sensing temperature of a frost removal sensor necessary for frost removal Short or open status of every temperature sensor is as follows SENSOR Freezing sensor Frost removal sensor Cold storage sensor 1 Cold storage se...

Page 24: ...del separation function 1 GR L207ERA GR L247ERA 2 GR B207ERA GR B247ERA MICOM ICl The above circuits are used for designating separation by model as option and notifying it to MICOM Designation of option by modal and the application standards are as follows b These circuits are accurately pre adjusted in shipment from factory and so you must not additionally add or remove option Separation OP1 Con...

Page 25: ...inal of MICOM PIN 33 34 and 35 as shown in wave form of the following part These signals are output to the output terminal No 1O 11 14 15 via the input terminal No 3 5 8 of the ICl 0 TA7774F as IC for motor driving Output signals allow motor coils wound on each phase of stator to form rotation magnetic field and the motor to rotate inputting as below figure to the input terminal INA INB as IC TA77...

Page 26: ...rive the fan motor further by cutting off power applied to the fan motor in the lock of fan motor by sensing the operation RPM of the fan motor 1 GR L207ERA GR L247ERA part Motor OFF 5V Motor ON 2 3V _ pa_ e_part _J_ pa_ 2V orless 2V orIess 0 V 12 14V 8 16V 0V IOl MICOM P5 C FAN PVM P51 C FAN LOCK P53 F FAN PWM PSO F FAN LOCK 4 7K 53 R37 330 5O ZD4 1N4735A 6 2V R44 33O R41 _ 4 7K R42 52 3 gK R43 4...

Page 27: ...R B247ERA IC1 MICOM P54 C FAN P_ M P51 C FAN LOCK P53 F FAN pX M P50 F FAN LOCK R31 33 0 4 7K R34 53 3 9K R3 5 5O ZC 2 1N4735A 6 2V R24 330 R2_ I 4 7K R2B 3 9K CON5 _o FRI02 25V T _102 KTA1705 620 _8 R29 2K CE6 LCC14 2K _4v_ _ CC13 102 7 g 1 42 ...

Page 28: ...oom Cold storageroom Rema_s Warmly compensa_ Resistance value RCF1 180 k 56 k 2 33 k_2 18 k_ 12 k_ 10 kQ 8 2 kQ 5 6 k_ 3 3 k_2 2 _2 470_2 Temperature compensation 5 C 4 C 3 C 2 C 1 oC 0 C 1 C _2oC _3oC 4 C 5 C Resistance value RCR1 180 k_ _ 56 k_ 33 kQ 18 kQ 12 ki2 10 k_ 8 2 k_ 5 6 k Q 3 3 k Q 2 k _ 470 Q Temperature compensation 2 5 C 2 0 C 1 5 C 1 0 C 0 5 C O C 0 5 C 1 0 C 1 5 C 2 0 C 2 5 C Refe...

Page 29: ... Up Up Up 3 C 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 C 1 5 C 2 C Up 1 5 C Up Cold storage 8 2 k_ room RCR1 10 k_ 12 k_2 Down Down Down Down Down Down change Up Up Up 3 5 C 3 C 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 C 18 kD Down Down Down Down Down Down Down change Up Up 4 C 3 5 C 3 C 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C I C 33 kD Down Down Down Down Down Down Down Down change Up Up 4 5 C 4 C 3 5 C 3 C 2...

Page 30: ... on the operation panel and to light each function indication led LED module It is ddven by SCAN method MIC M P3_I PZ41 CON8 L__ L_ _J o F _ _ _ i_ J JJ_ 11o L4 J_ CONI01 F1 F2 _ _v PWB ASS Y DISPLA FSC_ _ax _R5 F4_ c _R4 F2 c_ _ _R2 R S T 2 GR C247 GR C2O7 GR B247 GR B207 Icl I UlC _ l r _ p m p_ I _r C_4 r I IW _r i a CON101 F t r2 F3 F4 F5 R3 R2 Rt PWB ASS Y DISPLAY 45 ...

Page 31: ... 5 5 b 6 5 CUT 5 b CUT CUT CUT 5 6 CUT JCR4 6 5 CUT CUT 5 5 6 5 CUT CUT CUT CUT CUT Compensation for over cold JCR1 JCR2 5 5 5 b 5 b CUT CUT 5 b 5_b CUT CUT CUT CUT CUT 5 6 CUT CUT CUT CUT CUT CUT Temperature compensation value at cold storage room 0 C In shipment from factory 1 C 1 C 1 C 1 C 2 C 2 C 0 C 0 C 0 C 0 C 1 C 1 C 0 C Remarks 1_The above option circuit is a circuit to compensate for temp...

Page 32: ...EXPLATION FOR MICOM CIRCUIT 3 PWB parts diagram and list 3 1 PWB Ass y main part diagram 47 ...

Page 33: ... _ I_FIBI _1 _N4007 _o 5 I_S_271P_ 22_uF 1 sv CE5 4_ _10TIK_ _ 01U1_1_ _0Cur 25V _ C g 47 Xt 0_ IL_ luF 5OV CE8 _ _B_F 25V _3 50 _oT_x o_m q oou_ sov c_2 51 W1227_II_ 2G_ pZSV _ CE_ 7 _6 X34 71_ 471 _3v CO1 58 X1_10_ _ _lat_R_ IO2 5OV Ct_ 20 59 _ 223 50V CI7 19 62 _f32 _b_ _O _ 27_VAC U2 63 64 _x_o ss_ 2w _3 g 65 R i50_10 lrtOK IW I 66 _0 RLM 67 _m_ _ _w zoc_ 68 69 _ 6_J 1 2W _5 71 _ r_K IiZw _Z 7...

Page 34: ...0 _m _ J 10 _1 i _ _R4 106 _J_o01_ _C RLTEI tftl_f_E _ILKC C_1 i _071 _ _ _ r_ I 108 109 _ I_7 lx120 P IC 110 111 _2_ IA L2 112 t 13 1_15_4 X CI _W COIL I 50 _ v_ TN c L_ _ 1_ _ IJ02 47 FL_SE 15A 250V 116 _ZZJB_0t_ F _SE ZA 25OV little 117 11B _01_0_ 250 TAB P881191 K E 3 1tAB1 2 12 1_11100 _3LI R W_II_ 11 _ HI3UN _EJe 121 _11100_ _BI BIm _63A 5933310 _LUX NJ_0 1_71 KC_J 50 ...

Page 35: ...EXPLATION FOR MICOM CIRCUIT 4 PWB circuit diagram PWB circuit diagram may va_ a little bit depending on actual condition 1 GR L207ERA GR L247ERA o ...

Page 36: ...EXPLATION FOR MICOM CIRCUIT i _ T I p_ I r I _ _1 _ i r_ I I 54 ...

Page 37: ...in Model GR P247 GR P207 and GR L247 GR L207 where water and ice are available without opening freezer compartment door 2 Crushed Ice is automatically selected when power is initially applied or reapplied after power cut 3 When dispenser selection switch is continuously pressed light is on in the following sequence Water Cube Ice Crushed Ice 4 Lamp is on when dispenser rubber button is pressed and...

Page 38: ... _ 00__ ON OFF OFF ON FF ON ON __ ON ON ON WATER SUPPLY TIME 6 5 Sec 5 5 Sec 6 Sec 7 Sec 7 5 Sec 8 Sec 9 Sec 10 Sec REMARKS The quantity of water supplied depends on DIP switch setting conditions and water pressure as it is a direct tap water connection type the water supplied is generally 80 cc to 120 cc DiP switch is on the main PWB 3 If water supply quantity setting is changed while power is on...

Page 39: ... raises 4 Ice ejection motor stops for 1 second if Hall IC signal changes from OFF low to ON high after 3 6 seconds when ice ejection motor rotates in normal direction If there is no change in Hall IC signals within 1 minute after ice ejection motor operates ice ejection motor stops as ice ejection motor or hall IC is out of order 5 If ice ejection motor or Hall IC is abnormal ice ejection motor r...

Page 40: ...onditions and water supply can be checked by test switch When test function performs normally buzzer sounds and water supply shall carry out Check it for repair if buzzer does not sound 4 When water supply is completed the cycle operates normally as follows Ice making Ice ejection Returning to horizontal conditions Water supply 5 Remove ice from the ice maker cube mould and press test switch when ...

Page 41: ...or of CON9 between t8 and 22_ Is ice ejection motor drive circuit IC11 and peripheral circuits nom_al Defects between Hall IC and Board Pin No 42 of IC1 Confirm ice ejection and level return when pressing test switch _ Change main PWB I _ Replace Ice making 1 Sensor Replace Ice Maker Unit 1 Replace Main PWB 1 d level return n test switchis _ _ pressed for more than 0_ second _ Doesthe bell Normal ...

Page 42: ... ice maker is same as in the door switch input detection circuit of the main PWB 1 This function is used in operation test service execution and cleaning etc and performed if pressing the test switch installed at the automatic ice maker itself for more than 0 5 second 2 The test switch operates in the horizontal st_us and test function is not input in the water supply operation Ice removal control...

Page 43: ...ect L WornouHoolI_ade O LPis olf f CapacityofO L P issinai _of O LPis bad I_d con_on poweris r InnerNi Crwireblowscot dk x n_eoled __ Bad_n_ c_nect_n _Fau y terminal muP Jng Cu w__cut L Bad adders Noelemicpower cocompmsso_ Faulty compressor FauJtyPTC Power d_esnolmndud Damage l_d d _ara_el_s Ini_ir_sta _eisbig Bad connec_on wi_ FT_ _c_e o ml_s_ LAssem__ r_ poss_e Bad _nal conna_on 4 Dudng defrost ...

Page 44: ...capa_ LLeave it h lhe air Chsd_m pad_ge therm L condi_nI omat Gsod mmage aller finishing repros LDumgwo f Tco sho_t _ne Lowair pressure Le_dryar _ _ Leaveitin the ak iVle_ pene_ _n _the re_em_ oi Weldjointf Sh_pipe 7 dogged F_mm T_ 1alga _maged rams L TSO much_Id_ _ Theca_laytuhe i_ser ed dept Tcomuch Dm aome_ng _o m_ _ o_ t I _Redo_ed cr_s set so by cuing _ed F mk Jn rnated_ d _Dng LP xe_n n _eri...

Page 45: ... 01her_e_ r_te_s Capdrainisnot disconnec_l De_ost heaterdoes not Pats Rate W _eisc_ g_erate heat _ heater Hea_ng wire Cont_point _wen _j a_ eL ctric wire DentbyIinevaporato_ F_r terminal contacts Cerd Wire iscuL heater Lead_re Heart re between hea_g and _ec_cw_ He_ng_re_ Wa_ pene_a_n Bad_min_ _mned_rL HOW TO CHECK Check visual y Che_ terminal Conduction OK No conduction NG If wireis not cut refer ...

Page 46: ...i Faultydlarac_ Seat4_m_ng _ca_on _ s _ _urafa _ Gasketgap _ Air irilk_ lhl_ugh lhe fan moI_ L 13ad insulalJon of c_ edoo No automatic defrosting Defrost doesn_ _um 3 Cooling air leak Badgasketad_n F Gap Donrsag _d adhesien 4 No cooling air circulation Faulty fanmotto Fan n _tor F Self locked LW_iscut Badt_li_ c_acL F Fautts Contact dist_ce L CmtaO _ Ref_orat0r and f_aez_ switohm _ _oed L BUtI_ iS...

Page 47: ...ting pals 5 Compressor capacity _ Ra_ misuse Sr_ capadly 6 Refrigerant r Malfunc_n of chargingcy_nder too much or too little _ Wrongseltingofref_jerart L I_ compress_ Fsully_ 7 Continuous operation No contact of temperature controller Foreign materials 8 Damper opens continuously i Foreign materials I_ p U _uiddump jammed _ EPSwatersedimenl L Screw Failed sensor Position of sensor _ Characteristic...

Page 48: ...nt tempemlu_ e _ Space isseduded 5 Refrigerant leak 6 Inadequate of refrigerant 7 Weak compressor discharging power _ Different rating L Srr_ capacity 8 Fan does not work 9 Button is positioned at strong 1 Ice in freeezer compartment External airinltow Rubber motorassembly direcl_on rev_se Dooropeas I_ We_deardmbgpo _ bulnotclosea f StopperS Doorsa_ _ Foodhbders do_r dosing Gaparoead gasket Conlmc...

Page 49: ...ater overflows Clogged discharging hose Discharging hose Evaporation tray located at wrong place location Tray drip _ Damaged Breaks holes L Small Capacity Position of drain 1 Compressor compartment operating sounds Compressor sound T Sound from machine itself inserted L_ Sound from vibration Restrainer Rubber_ Too hard seat _ Distorted _ Aged L_ Burnt Stopper Bad Stopper Not lit assembly inner di...

Page 50: ...torque forassembi_ rnob brad _ Sounds from fan T Fanguideccntant cordact _ Shroud burrcontact L_Residu_frostooctad I_ P x_r b eafrnect _ heate_ L_ Nanow eva_inte_val Unbalance fan sounds _ Un_alanoe _F Surface_ining o0ndP_Jons t _ L_ Burr _ Iceon _e fan Air _take 0ppositetometer ruU_er assan_ Motor shaft _ Supp_ter disorted contact sounds _ Tdtedd_ing rnct_ assemb_ Resonance Evaporator noise _ Eva...

Page 51: ... Trevlel distance _ Bad connection I_ Bad terminal contact L_ P U liquid leak 1 Lead wire is damaged Wire damage when assembling P T C Cover Outlet burr in the bottom plate Pressed by cord heater lead wire evaporator pipe 2 Exposed terminal _ Compressor Compartment terminal Touching other components Freezer compartment terminal Touching evaporator pipe 3 Faulty parts Transformer 7 Coil contacts co...

Page 52: ...tion _ Hinge_Oh t_tad Poor _qess _ Nowashe_ L Nogreaea ar_ notenough quanlJty Malfunction _ Not dosedinterferencebetweendearIn_ and inner _ner Ref_ _S_pperworneat corrg_m_ is _ _d ff_ ze eampaC m_t d_r o_nad wr eafreazer_ eaear_ c_mtis L Nostopl_ deaad fau_y stoppe0 2 Odor Temperature of High _ Faulty d_nper conl_L refrigerator _ Button issetat weak compartment _ Doer isopen _ntefferen_ by lead De...

Page 53: ...ith tested if it is 0R 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 If fuse blowns out frequently reconfirm the cause and prevent If resistance is infinite replace it with new one If it is not infinite it is normal Check other parts During forced operation Operates Check other...

Page 54: ...oud if fan is constrained by shroud deformation Iced button faulty operation Confirm icing causes and repair Press button to check Replace door switch I Faulty button pressure and contact I I Press button te check operation Door cannot press door sw toh Door sag fix door button Check visually Door liner bent replace door er Check the clearance between the refrigerator and wall 50 mm in minimum Che...

Page 55: ...rea of wire condenser pipe in compressor compartment cracks can happen during bending 5 Check other parts compressor compartment and evaporators in freezer compartment 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 Measures Weld the leaking part recharge the refrigerant Find out the leaki...

Page 56: ...rm it s OK If it s not p pe is warm condenser discharging line weld If it is warm it s OK f it is not condenser outlet weld joints might he colgged Check sequence 1 Manually checkwhether condenser is warm It is not warm and the frost forms partly on the evaporator in the freezer compartment Check sequence 1 Check cooling fan operation 2 Check that cooling fan is disconnected from the motor joints ...

Page 57: ...drains outside 1 Confirm in the Sucking duct 1 Check heater label 2 Confirm the capacity after substituting the resistance value into the formula _ V _ V Ratedvoltageof user country R R Resistanceof tester _ Compare P and level capacity Tolerance 7 Heating wire is short and wire is cut Parts replacement Refer to parts explanations 1 Push out impurities by inserting copper wire Tum off more than 3h...

Page 58: ...low and discharge and bad defrosting due to faulty contact and insertion bad connector insertion into housing of heater melting fuse and motor fan 2 Check by inserting soft copper wire into the duct soft and thin copper not to impair heating wire 1 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 ch...

Page 59: ...rigerator compartment Check gasket a tached conditions Check door assembly conditions Check refrigerator compartment is overcocted when button pressed on weak Check parts are faulty Check frost on the evaporator after dissembling shroud and fan gdlle Check ice on intake port of freezer and refrigerator compartment Check food interferes with door closing Check ice on the ceilings Be acquainted with...

Page 60: ...heck icing at intake port of refrigerator compartment Check gasket attachment conditions Check door assembly conditions 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 Check frost on the evaporator after dissembling shroud and ...

Page 61: ...rtion depth and blade damage 3 2 Check the interference with structures 3 3 Check fan motor 3 4 Check fan motor rubber insertion and aging conditions 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 1 Maintain horizontal level 2 Replace rubber and seat if they are sagged and aged 3 Insert rubber w...

Page 62: ...ompressor stopper vibration 4 Moving wheel vibration 5 Other structura and parts vibration 1 It is caused by heat expansion and contraction of evaporator shelves and pipes in the refrigerator 1 1 Check time and place of sound sources 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 wit...

Page 63: ...estrainerattachment conditionson the evaporatorand capillary tube weldjoints Check the soundwhen compressor is turnedon Check the sound when compressoris turned off oCheckthesoundby openingand closingtherefrigerator orfreezerdoors Check the restrainer attached on the evaporatorand capillarytube weld joints and attach another restrainer If it is continuousand servera insert capillary tube again dep...

Page 64: ...edk food cleanliness Check wet food is wrapped with plastic bowl and bag It happens in the new refrigerator Check the deodorizer odors Dry deodorizer in the shiny and windy place Store the food in the closed container instead of vinyl wraps Clean the refrigerator and set button at strong Clean the refrigerator Persuade customers not to use plastic bag or wraps with wet food or odorous foods Dry th...

Page 65: ...on Check resistance of PCB Trans input and output terminals with a tester If resistance is infinity trans winding is cut Check voltage at input output terminals Check fuse in PCB electric terminal with a tester Check if STR No 2 and 3 pins are cut when power is off Check Lead Wire terminals connecting Main PCB and display PCB with a tester Check if all LEDs are on when Main PCB Test switch is pres...

Page 66: ...ain PCB sensor sensor housing sensor housing Defective freezer fan motor Faulty defrost Check fan motor lead wire with a tester 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 Fan motor lead wire is cut Defective door switch freezer refrigerator home bar Defective fan motor Defective fan motor ddving relay Recon...

Page 67: ...n parts repair guide Refer to AC damper in parts repair guide Check AC damper baffle visually Check if AC damper Heater wire is cut with a tester Check theresistance of refrigerator sensor with a tester Check the sensor color in the circuit main PCB sensor housing Check if refrigerator sensor is not fixed at cover sensor but tuner case visually Measures Reconnect lead wire Replace AC damper or ref...

Page 68: ...on D fective 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 ffective Check input wire with a tester Reconnect lead play button Buzzer does not ring and key d...

Page 69: ...h lever Repair lead wire dispenser are not Main PCB to lever switch switch with a tester dispensed Defective lever switch parts Refer to door switch in parts repair guido Replace lever switch Defective photo coupler IC parts Check voltage change at photo coupler Reptace photo output terminals with lever switch coupler IC or PCB pressed it is OK if voltage change is between OV 5V Defective relay as...

Page 70: ...rator Replace drierwhenever repairingmfdgerstor cycle piping Do not use soapy Detect water for check refrigerant it may be sucked leak area into the pipe by Remarks The opening time should be reduced to a half of the standards dudng rain and rainy seasons the penetratlen of water into the pipe is dangerous Refet to repair note in each part R134a refrigerant is more susceptible to leaks than R12 an...

Page 71: ...hing Check leak at weld joints _ Minute leak Use electronic leak detector Big leak Check visually or fingers Note Do not use soapy water for check Check cooling capacity _ Check radiator manually to see ifwarm Check hot line pipe manually to see if warm Check frost formation on the whole surface of the evaporator Remove flux from the silver weld joints with soft brush or wet rag Flux may be the ca...

Page 72: ...ed oil leak will happen Compressor Low pressure side Condenser Evapore_r gh pressure side 3 Replacement of dder 1 Be sure to replace drier with R134a only when mpaidng pipes and injecting refrigerant 4 Nitrogen blowing 1 Weld under nitrogen atmosphere in order to prevent oxidation inside a pipe welding Nitrogen pressure 0 1 0 2 kg cmZ i Others 1 Nitrogen or refdgerent R134a only should be used whe...

Page 73: ...ide Re_igen_ J _ Condenser Intake KI YPOINTING Welding without nitrogen blowing produces oxidized scales inside a pipe which affect on performance and reliability of a product When replacing a drier Weld and _ parts by blowing nitregen 0 l 0 2kg cm 2 to high pressure side after assembling adder When replacing a compressor Weld D and _ parts by blowing nitrogen to the low pressure side Note For oth...

Page 74: ...nce 1 Check the amount of refrigerant supplied to each model after completing vacuum degassing 2 Evacuate bornbe with a vacuum pump 3 Measure the amount of refrigerant charged Measure the weight of an evacuated bornbe with an electronic scale Charge refrigerant into a bombe and measure the weight Calculate the weight of refrigerant charged into the bombe by subtracting the weight of an evacuated b...

Page 75: ...ard Regulations For Heavy Repair 1 Observe the safety precautions for gas handling 2 Use JIG or wet towel in order to prevent electric wires from bumleg during welding In order to prevent insulation break and accident 3 The inner case shall be melted and insulation material polyurethane shall be burnt if not cared during welding inner case pads 4 The copper pipe shall be oxidized by overheating if...

Page 76: ...E ASSY HOT LINE PIPE ASSY HOT LINE Freezer Refrigerator Copper Brazer Copper CAPI TUBE DRIER ASSY PIPE ASSY SUCTION PIPE ASSY JOINT Copper Brazer Copper Brazer Copper Brazer CopperBrazer PIPEASSY JOINT CONDENSER ASSY WIRE Silver Brazer Ceppper Brazer 98 ...

Page 77: ...ens when pipes and 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 Explain that it comes from the compressor when the refrigerator starts When the refrigerator operates the piston and motor in the compressor rotate at 3600RP...

Page 78: ...water supply valve in the machine room makes sounds like Whizz and water flowing also makes sound When water freezes to ice freezing sounds such as click click are heard When ice is being ejected sounds like Whizz produced by a motor to rotate an ice tray and ice dropping and hitting ice bank sounds are also heard Explain the principles of water supplied to dispenser When the water supply button i...

Page 79: ...s kept th the door rack please ask to keep it in the refrigerator compartment shelf it wiFIthen become cooler Explain the characteristics of ice cream The freezing point of ice cream is below 15 C 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 freez at strong position Check the position of temperature control...

Page 80: ... 4 hours and then set the temperature control button at strong Explain the basic principles of frost formation The main causes for freslJng 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 if temperature is set at MID If hot air comes into the refrigerator fine frost forms...

Page 81: ...wet foods in the air tight container or in the wrap When is the power connected Door does not open properly When should the power be connected You can connect the power right after the installation But if the refrigerator was laid flat dunng transportation for a long peded of time and the refrigerant and compressor oils are mixed up then this will affect badly the performance of a refrigerator Be ...

Page 82: ...screw of freezer door and remove cover Disconnectall connecting linesexcept earthingcord Connecting 2 Turn hinge lever in arrow _ direction until it is loosened and take it out in arrow _ direction Lever Hinge 4 Lift up the freezer door O in arrow direction and disconnect the door from the lower hinge _ Don t pull a door forward Note Lift up a freezer dooruntil a watersupplytube is fully takenout ...

Page 83: ...andle _ in arrow direction with hand and disconnect 4 Turn screw in arrow direction with a cross driver and disconnect Screw 1 Handle Piece _ _ _ _ 3 SHROUD GRILLE FAN 1 Loosen two screws after disconnecting a cap screw of a grille fan U with a balde screwdriver 2 Disassembly of a gdlle fan U Pull forward after opening hook at _ part with a blade screwdriver 3 Disconnect housing _ of a grille fan ...

Page 84: ... is disconnected if hold lever connecting screw is loosened with a phillips screwdriver _ I L Solenoid Assy _ _ Hold_r_ _l Lever _ F _ _ _ Cap Assy Duct 3 Display Assy can be disconnected by pressing the upper part of a cover dispenser and pushing a display Assy after disconnecting display frame A ssy housing 6 For assembling a duct cap Assy insert one end of a spdng into the right hole of dispens...

Page 85: ... PWB PCB ASS DISPLAY FUNNEL ASSY 8_ SWITCH MICRO FRAME FUNNEL _0 LEVER SWITCH FUNNEL RUBBER FUNNEL 13 SWITCH ROCKER 14 SOLENOID ASSY 15 SPRING 16 HOLDER LEVER CAP DUCT 19 LEVER DISPENSER 2 01 RUBBER CAP 21 BUTTON ASSY 22 BUTTON 23 HOLDER BUTTON 241 DECO DRAIN _ Cap Assy Duct Detailed Drawings 107 ...

Page 86: ... 1 Disconnect H Bar Door Assy O 2 Loosen two screws _ attached on the refrigerator compartment door with a phillips screwdriver And loosen 4 screws _ and two screws _ Pull H Bar door Assy O forward to disassemble 3 Loosen two screws _ _ fixed on H Bar door Assy and two screws _ with a cross ddver to disassemble arm Assy 4 Assemble parts by performing the disassembly in reverse order Note Assemble ...

Page 87: ...EXPLODED VIEW FREEZER DOOR PART GR P247 GR P207 GR L247 GR L207 I I I 109 ...

Page 88: ...EXPLODED VIEW Ref No GR L247 GR L207 GR B247 GR B207 REFRIGERATOR DOOR PART Optional part 112 ...

Page 89: ...EXPLODED VIEW FREEZER COMPARTMENT Optional part 113 ...

Page 90: ...EXPLODED VIEW REFRIGERATOR COMPARTMENT Optional part 114 ...

Page 91: ...EXPLODED VIEW ICE WATER PART Optional part 115 ...

Page 92: ...EXPLODED VIEW MACHINE COMPARTMENT Optional part 116 ...

Page 93: ...EXPLODED VIEW DISPENSER PART 1 117 ...

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