LG LRTBC1825T Service Servicing Precautions Download | Manualshive

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Summary of Contents for LRTBC1825T Service

Page 1: ... Because the melted alloy is sucked into the tubes and blocks them the pressure must be rebalancad when vacuum is in the system when soldering As soon as the vacuum operation is over add the quantity in grams of R 134a to the refrigeration system Remember that every system has an exact quantity of R 134a that can be added with a tolerance of 5 grams Figure 4 TO THE R 134a CYLINDER TOsYsTEMTHE REFR...

Page 2: ...RI1EEN 3PTJON DE OCJ CII_EBUffLEC 1_ _ MONTAeEI_r _t lEr _ _R D _ 8 tJ_ LOCAUX _ WH _iTE BL BLUE RD RED PK PiNK WH _ BL Bleu RD Rooge PK Ro_ 81 BLI CK BN BROW_ PR PLI_FLEYL YELLOW BK Ncb BN B_m PR POa_We Yl Jaune i _O B_ IGITTO_AJqGE GY GRAY GN GREBq BO Onm_eCl_ GY _m GN V_ WA_R _A_PL 1NG riMECON_OL OP iION 1_ _ co_ _ CAUllON Ptme mplooth_po _ coed AVB_ISSEMB_ T Ve_llezd6branchar Is cordm_ drnenle...

Page 3: ...Used to keep fruits and vegetables fresh and crisp Base Grille Push the grilletoward the refrigerator untilitsnaps into place Lamp Optional Freezer Door Bin Door Cooling On the refrigerator door the cold air passageway is installedto supply cold air to the doorside of the refrigerator compartment Can Server Dairy Comer Wine Rack Optional Adjustable Door Bin Refdgerator Door Rack g Screw inside 5 ...

Page 4: ...hinge to the body to remove the refrigerator door only LOWERHINGE 3 2 DOOR SWITCH 1 To remove the door switch pull out it with a slotted type driver as shown in figure 9 2 Disconnect the lead wire from the switch LEAD WIRE DOOR SWITCH Figure 9 3 3 THERMOSTAT 1 Remove Control Box R by loosening 2 screws attached to ceilingof Refrigerator compartment Figure 10 2 Separate the thermostat and dial knob...

Page 5: ...igure 13 DEF THERMO FUSE M HOLDER FUSE Figure 14 3 6 LAMP REFRIGERATOR ROOM LAMP Figure 16 1 3 6 1 Refrigerator room lamp 1 Unplug the power cord from the outlet 2 Remove refrigerator shelves 3 Release the hooks on both ends of the lamp shield and pull the shield downward to remove it 4 Turn the lamp counterclockwise 5 Assemble in reverse order of disassembly Replacement bulb must be the same spec...

Page 6: ...lows in both main coil and sub coiL After the star0ng is over the current in subcoil is cut off The proper features of PTC play all the above roles So PTC is used as a motor starting device 4 2 3 PTC Apptied Circuit Diagram According to Starting Method for the Motor OVERLOAD PROTECTOR O L P F c q COMPRESSOR 3_ iC PTC STARTER HERMETIC TERMINAL RSIR Figure 19 4 2 4 Motor Restarting and PTC Cooling 1...

Page 7: ...n and connection diagram of OLP 5 CIRCUIT DIAGRAM CONTACTING POINT COVER _BIMETAL BIMETAL ADJUST SCREW HEATER Figure 21 YL _ _ 81_tt ll p_ I I p_ r I I I_ pART BL WH WHITE BK BLACK BO BRIGHTORANGE CIRCUIT DIAGRAM _ y T C _ _ r _ _ m2_o_r _ I _M_m I i l 2 ii Oli_Fst_ ll _ BO _ ex 1 i I z _ w _q m i f 711 I a_ 11 iK I ii_ t t _ CAP CITORpARTP r_ 8TN_Fi_ _pART t LAIIIP F PIIRT CAP IC_FiI_ THE pLUG _ ...

Page 8: ...heck the resistance of Motor Compressor _ Check the resistance of PTC Startec _ heck the resistance among M C S C and M S in Motor Compressor _ heck the resistance I of two terminals in PTC Starter _ Check OLR N_O YES Replace Compressor _ Check starting state Es Replace NO _ PTC Starter Check if applying a regular OLP YES p OLP works within I YES _ 30 see in forcible OLP I r operation by turning N...

Page 9: ...he resistance value is 0 or several hundred _L _ The value is Check another I electric components Replace OLP I F_Figure21 Position the Cam Shaft to the point of first click sound and check the current flowing between terminals No 1 brown and NO 2 bright orange Next position the Cam Shaft to the point of second click sound and check the current flowing between terminals No 1 brown and No 4 black F...

Page 10: ...eck if current flows _ _ Poor contacting ___ to starting devices and broken Compressor inCheCksub c ilcurrent f flowing _ Shorted _ Check capacity of OLP The items described above are normal Check current flowing of the door S W Check current flowing in the Fan Motor Check the running condition of Timer Check current flowing of the following components Defrost Thermostat Fuse M Check current flowi...

Page 11: ... often or check if the door is closed it firmly Dew forms Check if ambient temperature and humidity Wipe dew with a dry cloth This occurrence in the Extedor Case of surroumcting air are high is solved naturally in low temperature and humidity Is there gap in the door gasket Fill up the gap Abn_mal Is the set positioned in a firm and even place Adjust the Adjust Screw and position noise in the firm...

Page 12: ...frost isn t temperature Refrigerant o_ Refngersterdon_ccol formed MOISTURE Cooling operation Flowing sound of refrigerant Lower than Cooling operation restarts CLOG stops periodically is not heard and frost melts ambient when heating the inlet of temperature capillary tube COMP Freezer and Low flowing sound of A little higher Low pressure at high side RESSION Refrigerator refrigerant is heard and ...

Page 13: ...ressure sides Vacuum efficiency can be improved are evacuated at the same by operating compressor during time for models above 260 evacuation Vacuum EA Use R 134a exclusive To protect mixing The rubber pipes for R 12 refrigerant piping manifold of mineral and shall be meRed when they are used for ester oils R 134a refrigerant causes of leak Pipe EA Use R 134a exclusive To protect R 12 coupler refr...

Page 14: ...IEW REPLACEMENT PARTS LIST The parts of refrigerator and the shape of each part are subject to change in different localities Capacitors and fuse are optional parts GR T622 GR T722 k Optional parts a_ I I i I I 16 ...

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