LG LRSPC2331NI User Manual Download Page 1

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Summary of Contents for LRSPC2331NI

Page 1: ...utton Cover Hinge Cover PWB I Water Tube Freezer Refrigerator Compartment Compartment Shelf ice maker Lam optional I Box Shelf Steel T Glass Drawer or Shelf optional Guide bottle Shelf Door rack LowerCover Conversion Switch MeatsNegetables Humidity Switch drawer Meat drawer 14 ...

Page 2: ...ght of freezer dOOr is lower than that of refrigerator compartment 2 If the height of freezer door is higher than that of refrigerator compartment Insert a ddver _ into the groove _ of adjusting screw and rotate driver in arrow direction clockwise until the refrigerator becomes horizontal Insert a driver _ into the groove _ of adjusting screw and rotate driver in arrow direction clockwise until th...

Page 3: ... to the water tap Please confirm the following installation parts Valve Feed Rubber Packing Connector Pipe _ Co_nnector Pipe Tape Teflon Class Conve rtible i Water Valve Water Conn ector Shape and Spec Connector MECH Pipe Nomenclature Valve Feed PINe Remarks 5221JA3001A Common Use No Holes 4932JA3003A 6631JA3004A 6631JA3004B 3920JA3001B 6631JA3004C No Holes 6631JA3004D 3920JA3001A 4932JA3003C 6631...

Page 4: ...is connected to hot water line trouble may occur Please check rubber packing when connecting feed pipe Pipe Connector B Feed A How to wind Sealing Tapes Single Lever Type Faucet general Two Hands Type Faucet Feed Valve General Type 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 wall ...

Page 5: ... water will come out due to pressure drops Use standard feed tube to prevent leaking f N Outternal Filter t Filter Fixation 1 Connect feed tube to the filter outlet and water valve connecting tube 2 Fix the filter 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 shall be less than 12m when locating filter 3 ...

Page 6: ... the filter and attach the sticker Insert the upper part of the filter _ 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 are aligned 2 Replacement of water filter While holding the lower part of the filter turn it countemlockwise O by 90 degrees and pull itdown Note Check...

Page 7: ... icemaker for two seconds as shown below 2 The bell rings ding dong and ice tray rotates and water comes out from the icernaker 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 thro...

Page 8: ...F ON 8 Sec OFF ON ON 9 Sac 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 ...

Page 9: ...Control 18 C 20 5 C 22 C 15 C 17 C 19 C 20 5 C 22 C 16 5 C 18 C Refrigeration 6 C Control 3 C 1 5 C 0 C 7 C 4 5 C 2 C 1 C 0 C 4 5 C 3 C The tenqmrature can val_yt 3 C depending on the toadcondition 1 127Vi60 lz 110_115V 60 lz 115Vi60Hz RatingONLY TAIBEI 1 When power is initially applied or reapplied after power cut Medium is automatically selected 2 When the temperature selection switch in the fre...

Page 10: ... 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 11: ... 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 doomsof freezing cold ...

Page 12: ...ure ofa frost removal sensorbecome3 more than 25 C In purchase movement When _ temperature of a 5 frost removal sensor becomes less than 25 C _ In power failure _ service Testmode 1 Compulsory funotion d m b9 H O Test mode 2 m Compulsory frost removal Load Operation Sequence 0 5 0 3 F FAN 0 3 STEP 0 3 HOME POWER sec COMP sec sec sec i _ _ _ MOTOR _ BAR C FAN DAMPER HEATER i ON ON ON ON ON 0 5 FROS...

Page 13: ...zer F __ Freezersensoriscutorshort 15minoW Standard O sensor __ circuited 15rob If RPM 2 Abnormal Uppershelf refrigerator sensoris Standard 0pe_f_ cutor short drcuiled refdgeratorsensor _ RPM 1 R1 upper shelf T inthe refrigerator 15_ 3 Abnormal Note 1 Lowershetfrefngeratorsensoris Standard O O O refrigerator sensor cutorshort_rcuited RPM 2 R2 lower sheif in the r_gemtor 4 Abnormaldefrost _ Defrost...

Page 14: ...4 In finishing 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 cede display test mode will not be performed MODE HANDLING CONTENTS REMARKS Test I Press TEST s w once T...

Page 15: ...he switching terminal to the secondary side end the feedback pert IC3 IC4 transferring it to the primary side Caution Since high voltage DC31OV 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 everypartis as follows Part VA1 CE1 Vdc CE2 Voltage 220 Vac inspection 16 Vdc CE3 C...

Page 16: ...i r_ fosc_r7 I MIc t 31_ Fr qTiq CST4 QOk4GW I J_ I_ OSCI Z I L _ __Tj t Rlo3O_ 1M 1 3 Reset circuit The reset circuit is circuit allowing various parts such as RAM inside of MICOM ICl to initial_e and the whole of function to start from the initial status when initial power is input or when power is applied again to MICOM by a spontaneous power failure LOW voltage is applied to the reset terminal...

Page 17: ...o 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 ifopening 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 Measuring part IC6 jo Status OFF ...

Page 18: ...uit toward both ends of switch to determine door open at M COM Since a door switch of the home bar is connected to door switch C D of the cold storage room itsenses door opening if even one of both is opened Type of Load Measuring part IC7 t Status OFF COMP No lO Frost Removal Heater No ll AC Converting R room LAMP Relay No 12 No 14 Within 1 V 12V Homebar Heater No 16 Q P0_R F o F LAMP_ _C _ACnOR ...

Page 19: ... 10 R 11 A1_112 015 IC6 3 4 5 111 R_ 11_721 4 RIO 14 _ 2w _ cc_1 _74 AINI4 75 AINlS _77 Al l_ 00 C1 MICOM 02 1 Check load driving status Type of Load Measuring part t N Status OFF 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 IO 12V 2 Lever S W sensing circuit On Press OFF ICl Micom No 16 5V 60 Hz SOL...

Page 20: ...GR L247ERA GR B207ERA GR B247ERA Measuring part Door of Freezing Cold StorageRoom Closing Opening IC1 MICOM No 47 46 Pin 5 V _ _ _ _ S W at both ends are 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 ...

Page 21: ...sor or cold 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 ...

Page 22: ... or cold storage room sensor for adjustJng 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 eve_ temperature sensor is as follows SENSOR Freezingsensor Frostremovalsensor Coldstorage sensor 1 Coldstoragese...

Page 23: ... model separation function 1 GR L207ERA GR L247ERA 2 GR B2O7ERA GR B247ERA OP1 18 11 IC1 L M coM The above circuits are used for designating separation by model as option and notifying it to MICOM Designation of option by model and the application standards are as follows I_ These circuits are accurately pre adjusted in shipment from factory and so you must not additionally add or remove option Se...

Page 24: ...minal 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 10 11 14 15 via the input terminal No 3 6 8 of the IC10 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 I NB as IC TA7...

Page 25: ...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 GRoL247ERA parf Motor OFF 5V Motor ON 2 3V _ pa_ _ pa_ 2V orless 2V orless 12 14V 8 16V _ _part ov ov ICI HICOH P5 C FAN PVM P51 C FAN LOCK P53 F FAN PVM PS0 F FAN LQCK 53 R37 330 R34_ 4 7K R35 3 9K R36 KTA170S 620 Q5 2 CE6 D20 _ FRI02 220uF 25v R39 50 z Z...

Page 26: ... FAN LOCK P53 F FAN P_ H PSO F FAN LOCK R31 330 4 7K R34 53 3 9K 5O ZD2 k _ 1N4735A 6 2V R24 330 R25_ 4 7K R26 52 3 9K 49 ZD1 1N4755A 6 2V KTA17C 5 2 620 D13 O QK_C319 B _ FR102 R29 ZK KTA1705 R2B 620 CON5 __ _lrt iCC16 _F T223 25v m_02 _L___oH _ R22 2K CC13 _ 102 7 8 9 12 11 10 42 ...

Page 27: ...d storage room Resistance value Temperature Resistance value Temperature Remarks RCF1 compensation RCR1 compensation 180 k J 5 C 180 k _ 2 5 C Warmly 56 k_Z 4 C 56 kQ 2 0 C compensate 33 k_2 3 C 33 kQ 1 5 C A 18 k Q 2 C 18 k Q 1 0 _ C 12 Id2 1 C 12 k_ _ 0 5 C 10 k Q 0 C 10 k_ _ 0 C Referencetemperature 8 2 k_ 1 C 8 2 k_ 0 5 C 5 6 k O 2 C 5 6 k Q 1 0 C t 3 3 k _ 3 C 3 3 k Q 1 5 C 2 k_2 4 C 2 k_2 2 ...

Page 28: ... DOwn Down Down Down change Up Up 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 12 k Q Down Down Down Down Down Down change Up 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 1 5 C 18 k_ 3 Down Down Down Down Down Down Down change Up 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 1 C 33 I_ Down Down Down Down Down Down Down Down change Up Up 4 5 C 4 C 3 5 C 3 C 2 ...

Page 29: ...trol button on the operation panel and to light each function indication led LED module It is driven by SCAN method MICOM _ I Ici _ m _ L____j CON6 t i _ i lo CONIOt F4 r5 R3 R_ PWB ASS Y DISPLAY F5 _ Ma _ R5 F3_ R3 FI _ Wn _ Rr R s T 2 GR C247 GR C207 GR B247 GR B207 IC1 I MICOM I r i _n _ C1_4 r 7 LL_ _ J F _ _ q Iw o CON101 mu F4 p_ R3 I_ PWB ASS Y DISPLAY 45 ...

Page 30: ...5 6 5 5 5 CUT 5 6 CUT CUT 6 6 5 6 CUT 5 6 CUT JCR4 5 b CUT 5 6 CUT 5 6 5 6 5 6 CUT CUT CUT CUT CUT Compensation for over cold JCRI JCR2 5 6 6 6 5 6 5 6 5 b 5 6 CUT 6 6 6 6 CUT CUT CUT CUT 6 _ CUT CUT 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 O C 0 C 0 C 1 C 1 C O C Remarks I_ The above option circuit is a ci...

Page 31: ...EXPLATION FOR MICOM CIRCUIT 3 PWB parts diagram and list 3 1 PWB Ass y main part diagram 1 GR L207ERA GR L247ERA 1_j 4 2 _ iJ il d ITim qp_ _ _ I I _ _ _ _ _ _ _ J i 47 ...

Page 32: ... IC C_O 20 I_Z2_ DRIV_ IC 3A622 _ ROHk Ctl 21 _K_I_ DRIVE IC _TR G6_ SM _J C2 22 1_031_ 4_u l_m 1A43 K E C C4 C3 23 TOT210_ PHOTO 1R rLP721F TO3_ m C8 24 i_OJ_Lffi_J _B 12TB _ RY1 3 JWlaf3_N N_J 25 m _Y2 4 i_2_1_ _H12D_ O VABL ry11 R LAMP 26_ _2_ 28 _ _Q Ot 12 NNS 1 _1_7 10_t_13 _4 Dl12 NNS 32 _tO_ 10800R NR14D_2 IL JIP 34 NI_4D_7 IL JIF _ _ _11_ IN4007 42 _ _ _ O3SBA60 _i _01 _ I_t_ _17 11 _ 63 _...

Page 33: ...6X1Omm 10_ JCR2 4360701_ JMP NRE _Sx10mm JCR3 JCR4 4360701J JUMP MRE _6Xt0mm 1_60701 OUMp NR O SXt0mm _t H B H_ i0 6 _O_JBS_I_ _ I C _3L_R _ PILK_ O 3Rt 107 _O_CO7 _1 _511_ T_ gJ_G 108 _200JB300_ 3 970020 tO9 m 2mHp_ 1 m 110 _vg10320 _ tt2 I t 3 t_l_l U O_OX I Ol t 50 u H _ _ 4 t 4 3J02447 F LJS_ 15k 25Ov 1J_1 If5 ROl l_Ogl_ _ _ _C81 Im 4 M JU I_G rZTJ_J F tJSE 2_ 2_OV tlttl_ US_2 t17 tt8 ooIc 3_ ...

Page 34: ...EXPLATION FOR MICOM CIRCUIT 4 PWB circuit diagram PWB circuit diagram may vaD a little bit depending on actual condition 1 GR L207ERA GR L247ERA P PWB ASSW SUdN 3 ...

Page 35: ...EXPLATION FOR MICOM CIRCUIT 54 ...

Page 36: ...R 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 end vice vers...

Page 37: ... S W 3 OFF OFF OFF OFF ON OFF ON OFF OFF ON OFF 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 L 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 change...

Page 38: ...e checking lever 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 rotatas 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 tC is abnormal ice ...

Page 39: ...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 40: ...n 18 and 22 Q No is ice ejection motor drive circuit ejectionand level return normalwhen test switchis _ No pressed for morethan 0_5second _ Does the bell Normal I IC11 and peripheral circuits normal Defects between Hall IC and Board Pin No 42 of ICl Confirm ice ejection and level return when pressing test switch Failed ice maker unit test switch Are both ends 5 6 of CON9 test switch open Defects ...

Page 41: ...ction of the 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 status and test function is not input in the water supply operation Ice re...

Page 42: ...OTOR ICE MAI_R TE_ _ iCE MAH_R ICE MAKER PWB ASSEMBLY sensOR DISPLAY RJSE PART APPUCA_0N 0PTIONAL FUSE NO FUSE 250MAC 15A co_ _o_ CON4 COt_ 3 IRD _gGNHL GN BU N BLIN_ YI F DOOR S W D F _P Wt l k0 YL RD CAPACITOR PART COMPRESSOR P T C ASSY EARTHPART DISP LAMP O _ l PILOT V_ V s _ _ _ _ _ _ EOI ENO_D BO BO DISPENSER R DOOR S W R LAMP PR _ _ SOLENOID SB HEATER PLAIZ _W fI_ O BL BI_ BL BL BL BL DISPEN...

Page 43: ...RllE BARD APP _ _R lY _ MtTBCENT_ FORIESM Pi_T1E co_ _nc_w_Au_ GROUPE PWBPRINCIPAL TERREDUCOMPRESSEUR VN4NE8PILOTES FU SB_ PkR1 E SURLESCHEMA ELr c rR_QUE SOre _ SUSCEPTBLES DEMODIRCATION DANS PR RD tD CONTACT PORTE F LAMPE F S WNIVEAU DISTRIBUTEUR BL BL BL 64 ...

Page 44: ...d s_ ve as_rnUy O LPisctf _ F Weak cmnec_on c Worn out_0olblade Capadty ofO LPissm_ Chal_ ofO L P isbad Bad_ Power is Inne_ NkO _re I _ows out disconnected Bed intemat c_Jon Faulty terrnk el cau_ng Cuwire iscut Bedsok_ng Noe4ectdc power oncompress_ Faulty comlxessor FaultyPTC _werdoes r_ conduct _aoe Bad chaa tel_ lt_ res_a _e isb_ Bedlm ninal o_ne_n 4 During defrost rStart automaticdefrost LCycle...

Page 45: ...dstora_ _ef trashing Resid_moisture Calm aer_ssed Flaring _ns _ I l pipe_ LI_ work LPerforated f Tco sho_t _me Lowair pressure Lessd y_ir Moisturepene_a_ Leaveit in_ ai Moisture_ in_ther_ oa WeUjoint i Tmlarg_ c_ged _peg_lm Oamaged p_s Tco mudasdda D_ c_gein_ 1_e cal_la y tube_ r_ed deplh Tco much Calwlay tube r m _ Ove_ heat c_n _ _cmnt powder f WeU o _des R_u_ed o _ _ s_on byc_ng Sqcoezed _Compr...

Page 46: ...er f_emrnater_ Cap drainisnot dis_nne_ed Defro_hnat_dc_snot gener_e he_ d_connac_d Rate V_re is cut bea_ Hea_ngw_e Con_po_t be_een h_r_ andelec_c wie Dent by _n evapora_ Poetterminal con_ acts Co_ V_re_o_ he_er Leadvire Heae_w re Contact po_t between hea_ j a_l elec_wire Hea_ng wire _s cormbed Wa_ pene_a_on B_d temin_ c_ec_ HOW TO CHECK Check visually Check terminal Conduc_n OK No conduction NG If...

Page 47: ...id_ess Gasketgap b _ructural fa_l i Air inflowll _oug_ _he fan moto_ L _ insulB_fl of i_se dool No automa_ def_ng Defrostdoesno_retum 3 Cooling air leak Badgasketadhes_n f _a_adTnont L_ Door sag Bad adhesi_ EWeak bird_ for_athinge 4 No cooling air circulation Faultyfanrno_ Fanrno_ Self_d_ed W_is cuL IBad_rmi_ mntacl Doorswitch Fa Jits Contacldislance Bultm i_essure Meltedconlad Con ca _ Re_gemtor ...

Page 48: ...gn _ m _ p_ts 5 Compresaor capacity F Ralbgmisuse srn_ mmoly L LOW V_ 6 Refngerant i Maifunc_anofd _ _ng cylind_ too much or too little _ _ of_e_ Fa_ymmpmssor 7 Continuous operation No contact of temperature controller Foreign materials 8 Damper opens oontinuousiy i Foreign matedals pM r_t_ldump jammed _ EPS water sed_t L_ Screw Failed sensor Positlon of sensor _ Characteristics r Bad characterist...

Page 49: ...4 Bad radiation T High arrbie_t tempecatu_ _ Space issecluded 5 Refrigerant leak 6 Inadequate of refrigerant 7 Weak compressor discharging power 7 Different ra_ 8 Fan does not work 9 Button is positioned at strong 1 Ice in freeezer compartment External air _ Rul_sermotorassemblydirec_reveme Door mens F We_door dosing po_e_ b_notdoses _ Stoppermaifunc_on Gaparoundgasket _ distur_on Ioo_ doertw_ted ...

Page 50: ...verflows Clogged discharging hose Discharging hose Evaporation tray located at wrong place location Tray drip _ Damaged Breaks holes 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 Burnt Stopper Bad Stopper Not fit assembly inner diameter of stopper...

Page 51: ...orassere_ rno_ bracket Bounds from fan Fanguidecontact contact Shroudburrconlact Dampingevaporator cer_dL R_ frostoontacLT PcorVea_ne_Co_d heate_ L Narrew_inte_vaL Unbalance fan sounds_ Unb_ Surfaazmanhir_ngcondi_ Fan_ Missy B_T Icean thefan Air intake oppesitetomotor rebberassemUy Motor shaft _ Supporter_ed contact sounds T_teddumgmctorassembfy Resonance Evaporator noise Eval x xa_r p_ecantact NO...

Page 52: ...lel distance Bad connection Bad terminal contact 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 _ Coil contacts cover _Welded t...

Page 53: ... I_ Hinge PintJ_ed Po z flatqess I No washer L NOg_easeand eatenough qean_y Malfunction _ NotdosedInterference betweendoer_ne and inner t_ Re_ 7 Smpperwornout cornmm ent is _ Bad freez er c_npaWn_t doer openadv_n_zef ass_ b_ compar_nent is L No stoppe_ deaad _Rysto_ 2 Odor Temperature of Hk311 _ Faulty darnper eaatml refrigerator I_ _ issetat weak compartment L_ DooriSopen interference by food Deo...

Page 54: ...rts Reconnect the connecting parts Find and remove the cause of problem ex short high voltage low voltage Replace with rated fuse Remarks Replace with rated fuse after confirming its specification 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 parts Not operate Replace the frozen compressor with ne...

Page 55: ...ck operation Door cannot press door switch button Check visually Check the clearance between the refrigerator and wall 50 mm in minimum Check dust on the gdll in compressor compartment Check dust on the coils condenser Measures Replace fan motor Reconnect and minsert Maintain clearance and remove ice Repair and or replace shroud if fan is constrained by shroud deformation Confirm icing causes and ...

Page 56: ...a 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 leaking...

Page 57: ...ms 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 Heat up compressor discharging weld joints with touch disconnect the pipes and check the clogging Remove the causes of clogging weld evacuate and recharge the refrigerant If it s warm it s OK If it s not condenser discharging line weld joints m...

Page 58: ...heck drains outside 1 Confirm in the Sucking duct 1 Check heater label 2 Confirm the capacity after substituting the resistance value into the formula p V 2 V Rated voltageof user country R R Reslstance of tester _ Compare P and avel 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 Turn off more ...

Page 59: ...inflow 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 refrigeratol compar ment...

Page 60: ...are not familiar with this machine Door opens High temperature high moisture and high load Check refrigeratorcompartment is ovemooled when button pressedon weak Check partsare faulty Check frost on the evaporator after dissembling shroud and fan grille Check ice on intake port of freezer and refrigerator compartment Check food interferes with door closing Check ice on the ceilings Be acquainted wi...

Page 61: ...ezer compartment door Check gasket attachment Correct the gasket attachement Replace when it can not Faulty gasket conditions conditions and replace it be repaired Faulty assembly Check door assembly conditions Door assembly and replacement 3 Over freezing in the freezer Replace defective parts compartment Faulty MICOM Refrigerator operates pull down Check if it is operated intermittently The Temp...

Page 62: ...ertion 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 ddp tray 1 Maintain horizontal level 2 Replace rubber and seat if they are sagged and aged 3 Insert rubber w...

Page 63: ...mpressor stopper vibration _ Moving wheel vibration 5 Other structure 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 souses 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 ...

Page 64: ...strainer attachment conditionson the evaporatorand capillarytube weld joints Check the sound when compressor is turned on Check the sound when compressor is turned off Cheekthesound by openingand closingtherefrigeratororfreezerdoors Check the restrainer attached on the evaporator and capillary tube weld joints and attach another restrainer tt it is continuous and servere insert capillarytube again...

Page 65: ...aps Chedk 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 Persuadecustomersnotto use plastic bag or wraps with wet food or odorous foods Dry...

Page 66: ...on is bad Defective LED 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 electhc 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...

Page 67: ...le of sensor in circuit Freezer sensor is Confirm the colo_ of sensor in Repair main PCB explanation substituted for other circuits main PCB sensor sensor housing sensor housing Defective freezer fan motor 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...

Page 68: ... materials in AC Check AC damper baffle Remove foreign damper baffles visually materials Ice formation on AC Check if AC damper Heater Replace AC damper damper baffles wire is cut with a tester or refrigerator control Box Assy Defective refrigerator Defective refrigerator Check the resistance of I Replace refrigerator Refer to sensor sensor sensor parts refrigerator sensor with a tester sensor res...

Page 69: ...n 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 Check input wire with a tester display button Buzzer does not ring and key does not sens...

Page 70: ...ith 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 guide Replace lever switch Defective photo coupler IC parts Check voltage change at photo coupler Replace photo output terminals with lever switch coupler IC or PCB pressed It is OK if voltage change is between OV 5V Defective relay ...

Page 71: ... a e vacuum EA High and low Vaccum efficiency can be improved by Pressure s des are operat ng compressor during evacuation evacuated at the same time for models above 20_ Vacuum EA Use R134a To protect The rubber pipes for R12 refrigerant shall piping exclusive mixing of i be melted when they are used for R134a manifold mineral and refdgerent causes of leak ester oils Pipe EA Use R134e To protect ...

Page 72: ... refrigerator operates Weld carefully after inlet pinching 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 _b Check radiator manually to see if warm Check hot line pipe manually to see if warm Check frost formation on the whole surface of the evaporator Remove flux from the silver w...

Page 73: ...e order is not observed oil leak will happen Evaporator _e side 3 Replacement of drier 1 Be sure to replace dder with R134a only when repairing 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 cm2 5 Others 1 Nitrogen or refrigerant R134a only should be used when cleaning inside of cy...

Page 74: ...aporator KEYPOINTING 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 nitrogen 0 l 0 2kg cm2 to high pressure side after assembling a drier When replacing a compressor Weld _ and _ parts by blowing nitrogen to the low pressure side Note For other parts nitrogen blowi...

Page 75: ...ence 1 Check the amountof refrigerantsuppliedto each model after completing vacuum degassing 2 Evacuate bombe with a vacuum pump 3 Measure the amount of refrigerant charged Measure the weight of an evacuated bombe 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 bombe...

Page 76: ...5 Standard Regulations For Heavy Repair 1 Observe the safety precautions for gas handling 2 Use JIG or wet towel in order to prevent elec_dc wires from burning during welding In order to prevent insulation break and accident 3 The inner case shall be melted and insulation matedal polyurethane shall be bumt if not cared during welding inner case parts 4 The copper pipe shall be oxidized by overheat...

Page 77: ...wings PIPEASSY HOTLINE Freezer Copper Brazer Copper CAPI TUBE DRIER ASSY PIPEASSY SUCTION f Copper Brazer PIPE ASSY HOT LINE Copper Brazer Refrigerator Silver Brazer Copper Brazer Copper Brazer Coppper Brazer CONDENSER ASSY WIRE Silver Brazer 98 ...

Page 78: ...s 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 clay 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 3600RPM...

Page 79: ...ater sopply 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 in...

Page 80: ... kept in the door rack please ask to keep it in the refrigerator compartmest shelf It will then 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 contro button of a freezer at strong position Check the position of temperature contro...

Page 81: ...4 hours and then set the temperature control button at strong 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 if temperature is set at MID if hot air comes into the refrigerator fine frost forms ...

Page 82: ...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 dght after the installation But if the refrigerator was laid flat dudng transportation for a long peried of time and the refrigerant and compressor oils are mixed up then this will affect badly the performance of a refrigerator Be sure...

Page 83: ...of freezer door and remove cover Disconnect all connecting lines except eerthing cord _ Cover Hinge g Connecting 2 Turn hinge lever in arrow_ directionuntil it is loosened and take it outin arrow _ direction Lever Hinge 4 Lift up the freezer door _ in arrow direction and disconnect the door from the lower hinge _ Don t pull a door forward Note Lift up a freezer dooruntila watersupplytubeis fully t...

Page 84: ...handle _ in arrow direction with hand and disconnect 4 Turn screw in arrow direction with a cross driver and disconnect Screw 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 gdlfa fan U Pull forward after opening hook at part with a blade screwdriver 3 Disconnect housing _ of a grille fan L from the ...

Page 85: ...is fixed with a hook 5 Duct cap Assy is disconnected if hold lever connecting screw is loosened with a phillips screwdriver 3 Display Assy can be disconnected by pressing the upper part of a cover dispenser and pushing a display Assy after disconnecting display frame Assy housing 6 For assembling a duct cap Assy insert one end of a spring into the right hole of dispenser lever and insert the other...

Page 86: ...ASSY DISPLAY 2 COVER DISPENSER 4 PWB PCB ASSY DISPLAY 7 FUNNELASSY 8 SWITCH MICRO 9 FRAME FUNNEL 10 LEVER SWITCH 11 FUNNEL 12 RUBBER FUNNEL 13 SWITCH ROCKER 14 SOLENOID ASSY 15 SPRING 16 HOLDER LEVER 17 CAP DUCT 19 LEVER DISPENSER 20 RUBBER CAP 21 BUTTON ASSY 22 BUTTON 23 HOLDER BU I3 ON 24 DECO DRAIN 107 ...

Page 87: ...nect 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 _ 1_ fixed on H Bar door Assy and two screws _ with a cross driver to disassemble arm Assy 4 Assemble parts by performing the disassembly in reverse order Note Assemble careful...

Page 88: ...EXPLODED VIEW FREEZER DOOR PART GR P247 GR P207 GR L247 GR L207 I 109 ...

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

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

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

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

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

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LG LRSPC2331NI, User Manual

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