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LG LRTBC1821W precautio, Техническое обслуживание: меры предосторожности

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LG LRTBC1821W precautio Скачать руководство пользователя страница 4

Содержание LRTBC1821W precautio

Страница 1: ...e melted alloy is sucked into the tubes and blocks them the pressure must be rebalanced 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 t34a CYLINDER 1 TO THE REFRIGERATION SYST...

Страница 2: ...AK _tOP i_ PART0t_ _ IX_ _ _I N_ 8UBJECTTO C HN_ 61EIN 0FFI_t _ LOC N I 1ES _11_ SUPI_YlNG IBIE CONIROL _W_ _ _ TIME 8W1 SW2 5W_ OFF OFF OFF 10 5 s_ ON OFF OFF 9 8eC OFF ON OFF 10 se_ ON ON OFF 11 SeC OFF OFF ON 12 sec ON OFF ON 13 sec OFF ON ON 14 sec ON ON ON 15sec ON WITCH OFF 2 3 SWI SW2 SW3 WH WHITE BL BLUE RD RED Gy GRAYPURPLEYL YBJ OW BO BRIGHT OflkN_ BK B AO BN BRO_ PR PURPLE pK pIIe GN GR...

Страница 3: ... Comer Crisper Used to keep fruits and vegetables fresh and crisp 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 Corner Wine Rack Adjustable Door Bin Refrigerator Door Rack Base Grille Push the grilletoward the refrigerator until it snaps into place Leveling Screw Inside ...

Страница 4: ...ge to the body to removethe refrigeratordoor only 3 2 DOOR SWITCH 1 To remove the door switch pull out it with a slotted type driver as shown in figure g 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 ceiling of Refitgerator comparb nent Figure 10 2 Separate the thermostat and dial knob F 3 Remove th...

Страница 5: ...t from the Heater 1 Pull out the grille assembly 2 Separate the connector connected with the Defrost Control assembly and replace the Defrost Control assembly after cutting the Tie Wrap Figure 14 SHROUD F Figure 13 DEF THERMO FUSE M HOLDER FUSE Figure 14 3 6 REFRIGERATOR ROOM LAMP REFRIGERATOR ROOM LAMP Figure 16 1 Unplug the power cord from the outlet 2 Remove refrigerator shelves 3 Release the h...

Страница 6: ...ows 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 Appltad Circuit Diagram According to Starting Method for the Motor OVERLOAD PROTECTOR O L P _ C _ C _ _ COMPRESSOR PTC STARTER HERMETIC TERMINAL RSlR Figure 19 4 2 4 Motor Restarting and PTC Cooling 1...

Страница 7: ...o the Hermetic Compressor used for the Refrigerator and prevents the Motor Coil from being started inthe Compressor 2 Do not turn the Adjust Screw of the OLP in any way for normal operation of the OLR Composition and connection diagram of OLP 5 CIRCUIT DIAGRAM CONTACTING POINT COVER BIMETAL BIMETAL ADJUST _ SCREW HEATER Figure 21 BL WH WH TE BL _ UE RD RED GY GRA tPURPLE ft t RI OW BO BRIGHT ORN_E...

Страница 8: ...e of Motor Compressor Check the resistance of PTC Starter _ heck the resistance amongM C S C and M S in Motor Compressor Check OLR _ heck the resistance of two terminals in PTC Starter NO t_ _ Replace Compressor YEs NO _ Replace PTC Starter Check starting state YES _ _ Check if applying _ 10LP works within ___ YES i _ a regular OLR _ 30 sec in forcible OLP I I I operation by turning Replace OLR I ...

Страница 9: ... OLR 6 3 DEFROST TIMER _ Fl igure 21_igure 22 Normal operation of the Defrost Timer is impossible No defrosting Poor cooling Position the Cam Shaft to the point of first click sound and check the current flowing between terminals No t brown and No 2 boght orange I__ Next posi0on the Cam Shaft to the point of second click sound and check the current flowing between terminals __ No 1 brown and No 4 ...

Страница 10: ...rrent flows _ _I to starting devices Check current flowing in sub sell of i t Compressor Check capacity of OLP The items described I _ above are normal Low voltage Poorcontacting _ _ _ and broken Sho_ed Lack of capacity I Coil of motor Compressor Raise the voltage Replace indicated component I I Check current flowing of the door S W Check current flowing in the Fan Motor Check the running conditio...

Страница 11: ...ften 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 Exterior Case of surroumcling air are high is solved naturally in low temperature and humidity Is there gap in the door gasket Fill up the gap Abnormal Is the set positioned in a firm and even place Adjust the Adjust Screw and position noise in the firm...

Страница 12: ... frost isn t temperature Refrigerant us Refrigeratordon tcco formed MOISTURE Cooling operation Flowing sound of refrigerant Lower than Cooling operation restarts CLOG stops periodically is not heard and frost me_ts ambient when heating the inlet of temperature capillary tube o COMP Freezer and Low flowing sound of A titlle higher Low pressure at high side O _ RESSION Refrigerator refrigerant is he...

Страница 13: ...High and low pressure sides Vacuum efficiency san be improved are evacuated at the same by operating compressor during time for models above 200 l evacuation Vacuum EA Use R 134a exoiusive To protect mixing The rubber pipes for R 12 refdgerant piping manifold of mineral and shall be melted when they are used for ester oils R 134a refrigerant causes of leak Pipe EA Use R 134a exclusive To protect R...

Страница 14: ... motor Perform icing removing operation for dropping ices of ice removing tray from the ice bank If ices are not fully filled erform ice removing conb ol after supplying water to the ice removing tray by operating solenoid of the ice valve As operation for the assembly line and service of refrigerator pressing a l Maker Test Switch allows to operate in the order of initial _ ice removing water sup...

Страница 15: ... Quantity Table SWITCH NO TIME OFF ON OFF 10_ _ F H OF F ON ON 14 _ ON ON ON _ Rema_s The quality of water supp y may differ depending on the setting status of the dip switch or on water pressure as water supply method is of a pattern of direct coonec tJon to water cock 3 The change of the quantity of water supply setting may be done according to the changed time even after changing it without pow...

Страница 16: ... at the maximum dis tortion status and makes ices be separated from the ice making tray In this case ice detecting lever automatically oper ates lifting operation with ice removing operation 4 Ice removing control positively rotates CW the ice removing motor and stops it for a second as it considers as maximum distortion point ice detecting axle 160 if the sensor signal changes from the Off status...

Страница 17: ...at the level the status immediately performs ice removing operation irrespective of the ice generation conditions of the ice making tray Caution shall be exercised as water may overflow if operating the test function at the water status that ice making is not done A cycle of water supply is performed at the level adjusting operation after ice ramoving operation Therefore the test button allows to ...

Страница 18: ...t of ice removing motor IC5 and auxiliary circuit is normal HALL IC Defect between PIN NO 20 of 1Cl boards Be sure ice removing and returning to the level when pressing the TEST S W Defect of ice making KIT TEST S W Both ends of TEST S W 3 6 pin of PCB CON2 3 6 are at open status TEST SAN Defect between boards PIN NO 19 of IC1 Defect of water supply Water supply valve conduct current Water supply ...

Страница 19: ... when power of more than 175V is applied 7 4 2 Vibration circuit XIN ICl xouT MICOM Circuit used for synchronous clock generation for transmitting receiving information of the inside logic elements of IC end basic time generation for calculating time Rated parts must be used as counting time is changed at the IC1 or the OSC1 does not operate if SPEC would be changed 7 4 3 Reset circuit The reset c...

Страница 20: ... Load drive circuit 1 Load drive status check IN41_ f 4 7K I 1_ WATER VALVE _ _ AUK I_ _ IKRCIO2MI _J jI KRn AIO6M ICl P_ MICOM Load Type Water Valve Measurement Location _ ON lV below Condition OFF 12V 22 ...

Страница 21: ...22 104 C_ 9 104 _ RB R7 TK T IRF1 Rl1 6 _F zs_O_4vF 2 Be l 2W 8 ICE HAKER MDTDR _3 10 T 223_o0v CON2 ICE MAKER TEST S V ICE MAKER SENSOR This circuit is a circuit used to embody functions such as ice removing full ice detection level noise and ice making tem perature detection of ice making tray ice making container 23 ...

Страница 22: ...7 5 Main PWB Assembly and Parts List 7 5 1 MAIN pW1B f T it I 24 ...

Страница 23: ...RISTOF VA1 15 St0_IB_0011 2 S_ZlD I _ _WA 15 SlO2JBeO03_ 2 tNR14D271 L J_N ttl _5 I 17 _o 1_ _ 1N41 S 12_o 18 _ OI_R_ 1N4OO4 T2 _O_ u DI_D4 19 _ P _1 3P DIp or_x SWl 20 _ _RIVE 1 BA8222 m IC5 21 0C 2_ J_ll _OOuF 35_ El 22 Or_lOmH_ _ cE2 23 O_O IH_ g r_1 oour 25v _ m 3_4 25 O_EnF_ _ c_ 2_ _Q_t71g_63 47UF 25V 27 0_2231N40 _ _ 223 100V so CMI_CM3 28 o_ _ 102 25V 2gOQ 22 _O I_ kvt O _ 223 25V _N_Y_ 3C...

Страница 24: ...7 6PWB DIAGRAM WATER VALVE iCE Q2 I KRCIO2MI I Q1 KRAIO6M CC6 _ T TM O 3 0 x_ XOUT RESET 26 ...

Страница 25: ...n_ CCll _ 104 F_ CC12 T 104 F _ REVERSE FORWARD 3 CC8 R7 R9 Rll 6 2 5 I Ic5 I 4 8A6222 1 1o C 4 IOOuF 25V 68 1 2w 7K RIO K RFI 6 2KF CON2 8 7 6 3 ICE MAKER MOTOR ICE MAKER TEST S W ICE MAKER SENSOR 4_10 12 13 16 24 25 26 WATER SUPPLYING TIME CONTROL S W 27 ...

Страница 26: ...8 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 I I 28 ...

Страница 27: ... 29 ...

Страница 28: ...T 30 ...

Страница 29: ...ICE MAKER PART 31 ...

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