LG LRTB2023W Service Manual Download | Manualshive

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Summary of Contents for LRTB2023W

Page 1: ...loy is sucked into the tubes and block them the pressure must be rebalanced when vacuum is in the system in soldering As soon as the vacuum operation is over add the quantity in grams of R 12 R134a to the refrigeration system Remember that every system has an exact quantity of R 12 R134a with a tolerance of 5 grams that can be added Figure 4 TO THE R t2 R134a CYLINDER _ TO THE REFRIGERATION _ SYST...

Page 2: ...Dial Lamp Shelves Snack Corner Crisper Used to keep fruits and vegetables fresh and crisp Lamp Optional Freezer Door Bin Door Cooling On the refrigeratordoor the cold air passageway is installed to supply cold air to the doorside of the refrigerator compartment Can Server _ Dairy Corner Wine Rack Optional Adjustable Door Bin Refrigerator Door Rack Leveling Screw Inside Base Grille 5 ...

Page 3: ... the lower 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 type driver as shown in figure 9 2 Disconnect the lead wire from the switch _ LEA WIRE Figure 9 3 3 THERMOSTAT 1 Remove Control Box_ by Io_ening 2 screw fixed to ceiling of Refrigerator compartment Figure 1O 2 Separate the thermostat and dial knob F 3 Re...

Page 4: ...E M HOLDER FUSE Figure 14 3 6 LAMP FREE2ER ROOM LAMP Figure 15 3 6 1 Freezer room lamp 1 Unplug the power cord from the outlet 2 Remove the room lamp lid by taking down while pushing it backward with your hand after grabbing the hook of lamp lid as shown in the figure at right 3 Recnovetbe Iornpby turningitcloskwiseand replacanew one 4 Assemble inrave_seorder of disassembly Repiacament bulb must b...

Page 5: ...ration of the single phase induction motor in the starting operation flows in both main coil and sub coil After the starting 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 Applied Circuit Diagram According to Starting Method for the Motor OVERLOAD PROTECTOR O LP r c7 _ COMPRESSOR I _5 MOTOR PTC START...

Page 6: ...tion and connection Diagram of OLP 5 CIRCUIT DIAGRAM CONTACTING POINT COVER BIMETAL ADJUST SCREW Figure 21 HEATER CIRCUIT DIAGRAM _HERMOSTAT DEFROST TIMER U i _T P_ T IT _ I BK i CEdaR_ l iII P I I o DOOR oo_ l BN _ SW F SW R i c L J _i FUSE M_r_ C I o _m RD 2 C_ II oIIN L _ _ L_ _ EARTH pAR 1 CA_AC_Ofl PART P TC STARTER LAM_F pART CAPACITORS THE PLUG T_ PIE EARTH pART AND ICE MAKER OPTION PANT ON...

Page 7: ...presso_ Check the resistance of PTC Starter Check OLR Check starting state _ Check the resistance N_O YES amongM C S C and M S inMotor Compressor Replace Compressor _L heck the resistance of two terminals in PTC Starter YES NO _ Replace PTC Starter YES I_ _ Check if applying I_ OLP works within I YES _ _ a regular OLP I 130 ses in forcible OLP i I I I I perati n by turning _ Replace OLR I I_f_ tan...

Page 8: ... Replace PTC Starter I Figure 22 6 3 DEFROST TIMER Normal operation of the Defrost Timer is impossible No defrosting Poorcooling F P 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...

Page 9: ...ows to starting devices Check current flowing in sub coil of Compressor 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 flowing of the following P components L cord TE Plate Heater Lowv...

Page 10: ... open the door too often and close it firmly Dew forms Check if ambient temperature and humidity Wipe dew with a dry cloth This occurrence in the Exterior Case of surroumcling air are high is solved naturally in low temperature and humidity Is there gap in the door packed Fill up the gap Abnormal Are the set positioned in a firm and even place Adjust the Adjust Screw and position noise generates i...

Page 11: ...is not heard and frost isn t temperature Refrigerant o_ don t cool formed MOISTURE Cooling operation Flowing sound of Refrigerant Low than Cooling operation restaMs CLOG stops periodically is not heard and frost melts ambient when heating the inlet of temperature capillary tube O COMP Freezer and Low flowing sound of A little high The pressure of high O m_ RESS ON Refrigerator Refrigerant is heard...

Page 12: ...pirant Vacuum gauge the charging M C vacuum degree is within 1 Torr 2 If the vacuum degree of the cycle inside is 10 Torr below for low pressure and 20 Torr for high pressure itsays no vacuum leakage state 3 Vacuum degree of vacuum pump must be 0 05 Torr below after 5 min 4 Vacuum degree must be same to the value described item 2 above for more than 20 min Apply M C Vacuum Gauge without fail Perfo...

Page 13: ...EXPLODED VIEW 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 Option I I 16 ...

Page 14: ... Option 17 ...

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