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LG LWJ0515PCW Svc Manual

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Room Air Conditioner
SVC MANUAL(Exploded View)
MODEL : LWJ0515PCW/CG
LWJ0514PCF
LWJ0512PGG/CW/CG
LWC071JGMK0
LWC051JGMK1/JPMK2
LWC061JPMK0
LWJ0611PCG
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com

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Summary of Contents for LG LWJ0515PCW

  • Page 1 Internal Use Only http://biz.lgservice.com Room Air Conditioner SVC MANUAL(Exploded View) MODEL : LWJ0515PCW/CG LWJ0514PCF LWJ0512PGG/CW/CG LWC071JGMK0 LWC051JGMK1/JPMK2 LWC061JPMK0 LWJ0611PCG CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.

  • Page 2: Table Of Contents

    5.3 COMPONENTS LOCATION(FOR MAIN P.W.B ASM)....................... 28 5.4 COMPONENTS LOCATION(FOR DISPLAY P.W.B ASM) ......................28 6. EXPLODED VIEW ..............................29 - 2 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Features

    Mode [except to prevent the customer's exposure to shock POWER OFF]. hazards. 4. The value should be over 1 MΩ. - 3 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Locations Of Controls

    • Everytime you push this button it is set as follows. {High(F2) Low(F1) High(F2)...} or {High(F3) Mid(F2) Low(F1) High(F3)...}. - 4 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 5 • Be sure that both batteries are new. used for an extended length of time. Re-attach the cover. - 5 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 6: Disassembly Instructions

    7. Re-install components by referring to procedures Figure 5 above. (Refer to circuit diagram on page 26 in this manual or inside control board.) - 6 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 7: Air Handling Parts

    12. Pull the fan and turbo fan outward. 13. Remove the shroud. 14. Re-install by referring to the procedures above. Figure 9 - 7 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 8: Motor

    5. Remove the overload protector. 6. Re-install the components by referring to the removal procedure above. (See Figure 12 and 13) - 8 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 9: Compressor

    4. Remove 2 lead wire terminals. 5. Re-install the components by referring to the removal procedure above. (See Figure 17) - 9 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 10: Power Cord

    5. Remove the evaporator. 6. Re-install by referring to the procedures above. - 10 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Capillary Tube

    A rise in pressure would indicate a possible leak or moisture remaining in the system. With valves A and B closed, stop the vacuum pump. - 11 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 (HIGH PRESSURE SIDE) BELOW COMPRESSOR EVAPORATOR (LOW PRESSURE SIDE) CAPILLARY TUBE CHARGING CYLINDER EXTERNAL VACUUM PUMP Figure 20A-Pulling Vacuum Figure 20B-Charging - 12 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 13: Installation

    WOOD STRIP MOUNTED ON TOP OF INNER Figure 23 SILL is more than 1", two of wood strip are not neces- sary. - 13 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 14 Make sure the bottom guide of the air 8" conditioner drops into the notches of the OUTSIDE L bracket. See Figure. 27. Figure 27 L BRACKET - 14 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 Press the drain pipe into the hole by pushing down and Figure 32 away from the fins to avoid injury. - 15 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 16: Electrical Data

    42 (1 ") 120 (4 ") 27.5 (1 ") 22.5(0.8 ") 155(6 ") 370 (14 ") 472 (18 ") - 16 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 17: Piping System

    LIQUID PRESSURE LIQUID OUTLET DROP (LIQUID REFRIGERANT) HIGH PRESSURE VAPOR CAPILLARY TUBE LIQUID REFRIGERANT LOW PRESSURE VAPOR Figure 33 - 17 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 18: Troubleshooting Guide

    Satisfactory operation Repair clogging in with temperature refrigeration circuit. difference of inlet & outlet air; 44~50°F (7~10°C) - 18 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 Regular but fails to start. Irregular motor insulation (Ω) Replacement of compressor. (Locking of piston, metal.) Replacement of compressor (Motor damaged). - 19 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 • Check the P.W.B Is the voltage No.18 of Micom pattern. DC 5V? Exchange Main P.W.B Ass'y. - 20 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 Is the voltage NO.13 or 16 • Exchange IC01M. of IC01M 0V? • Check the RY-Hi or RY-Lo. • Check the wiring diagram. - 21 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 Q02G, Q03G Q04G operate normally • Exchange Q01G, on main P.W.B Ass'y? Q02G, Q03G, Q04G • Exchange the display P.W.B Ass'y. - 22 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 23 Pay attention to any change from high speed to low speed. If the speed does not change, replace the motor. - 23 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 24 Check overload, if externally mounted. Replace if open. (If the compressor temperature is high, remove the overload, cool, and retest.) - 24 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 25 Copper tubing Remove the cabinet and carefully rearrange the tubing not to contact the cabinet, compressor, shroud, and barrier. - 25 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 26: Schematic Diagram

    DESCRIPTION PER SET POWER CORD ASSEMBLY FAN MOTOR COMPRESSOR DISPLAY P.W.B ASSEMBLY MAIN P.W.B ASSEMBLY THERMISTOR CAPACITOR OWERLOAD PROTECTOR - 26 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 27: Electronic Control Device

    5.2 ELECTRONIC CONTROL DEVICE - 27 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 28: Components Location(For Main P.w.b Asm)

    5.3 COMPONENTS LOCATION 5.4 COMPONENTS LOCATION (FOR MAIN P.W.B ASM) (FOR DISPLAY P.W.B ASM) - 28 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 29: Exploded View

    6. EXPLODED VIEW Models : LWJ0515PCW/CG, LWJ0514PCF, LWJ0512PGG/CW/CG, LWC051JGMK1/JPMK2, LWJ0611PCG 559010 130910 554030 349480 267110 135312 352390B 147582B 145200 359012 346811 352390A 147582A 152302 354210 130410 W0CZZ 552102 264110 552111 352115 567502 554160 268711B 567480 35211A 550140 268711A 249950 - 29 - Copyright ©2007 LG Electronics.
  • Page 30 352390A 147582A 152302 354210 130410 W0CZZ 552102 264110 552111 352115 567502 352113 554160 268711B 567480 35211A 550140 268711A 249950 - 30 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 31 FEBRUARY, 2008 P/NO : 3828A20038L...

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