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  2. Goldstar
  3. Air Conditioner
  4. LWC061JGMK1
  5. Service Manual

Goldstar LWC061JGMK1 Service Manual - Contents

Manual is about: Goldstar Air Conditioner User Manual

Summary of LWC061JGMK1

  • Page 1

    Room air conditioner service manual caution before servicing the unit, read the safety precautions in this manual. Website: http://www.Lgservice.Com e-mail: http://www.Lgeservice.Com/techsup.Html model : m5403r, m5203r, m5203l, m6003r, wm-6011, lwj0611pcg, lwc061jgmk1 dry fa n co ol.

  • Page 2: Contents

    —2— contents 1. Preface ................................................................ 2 1.1 features.................................................................. 2 1.2 specifications ...................................................... 3 1.3 safety precautions ................................

  • Page 3

    1.2 specifications • note: specifications are subject to minor change without notice for further improvement. —3— models items cooling capacity (btu/h) 5,300 5,200 5,200 6,000 6,000 power supply (phase, v, hz) 1ø, 115v, 60hz input (w) 530 470 610 620 operating current (amp.) 4.8 4.3 5.6 5.8 refriger...

  • Page 4

    —4— 1.5 locations of controls 1.5.1 controls dry fan cool on/off timer - stopping operation • everytime you push this button, when the unit is operating, timer is set as follows. (1hour 2hours 3hours 4hours 5hours 6hours 7hours 8hours 9hours 10hours 11hours 12hours cancel) • the setting temperature ...

  • Page 5: How to Insert  Batteries

    —5— 1.5.2 remote controller how to insert batteries 1. Remove the cover from the back of the remote controller 2. Insert two batteries. • be sure that the (+) and (-) directions are correct. • be sure that both batteries are new. 3. Re-attach the cover. • do not use rechargeable batteries. Such bat-...

  • Page 6: 2. Disassembly Instructions

    —6— 2. Disassembly instructions 2.1 mechanical parts 2.1.1 front grille 1. Disconnect the unit from source of power. 2. Using a screwdriver, remove the screw that secures the front grille to control board. (see figure 1) 3. Push the front grille up from the bottom. Pull the top of the front grille a...

  • Page 7

    —7— 2.2 air handling parts 2.2.1 air guide upper 1. Disconnect the unit from the power source. 2. Remove the front grille. (refer to section 2.1.1) 3. Remove the cabinet. (refer to section 2.1.2) 4. Remove the control board. (refer to section 2.1.3) 5. Remove 2 screws that secure the air guide upper...

  • Page 8

    —8— 2.2.3 motor 1. Disconnect the unit from the power source. 2. Remove the front grille. (refer to section 2.1.1) 3. Remove the cabinet. (refer to section 2.1.2) 4. Remove the control board. (refer to section 2.1.3) 5. Remove the air guide upper. (refer to section 2.2.1) 6. Remove the compressor, t...

  • Page 9

    —9— 2.3.2 compressor 1. Remove the front grille and cabinet. (refer to section 2.1.2) 2. Discharge the refrigerant by using a refrigerant recovery system. 3. Remove the overload protector. (refer to section 2.3.1) 4. After discharging the unit completely, unbrace the suction and discharge pipes at t...

  • Page 10

    —10— 2.3.6 power cord 1. Disconnect the unit from source of power. 2. Remove the front grille. (refer to section 2.1.1) 3. Remove the cabinet. (refer to section 2.1.2) 4. Remove 2 screws that secure control board to base pan and orifice. 5. Pulls the control board toward you. 6. Remove the grounding...

  • Page 11

    2.4.3 capillary tube 1. Remove the cabinet. 2. Discharge the refrigerant by using a refrigerant recovery system. 3. Remove the air guide upper. (refer to section 2.2.1) 4. After discharging the refrigerant completely, unbraze the interconnecting tube of the capillary tube. 5. Remove the capillary tu...

  • Page 12

    —12— equipment needed: vacuum pump, charging cylinder, manifold gauge, brazing equipment, pinch-off tool capable of making a vapor proof seal, leak detector, tubing cutter, hand tools to remove components and service valve. B a b a b a compound gauge see insets below capillary tube evaporator (low p...

  • Page 13: 3. Installation

    —13— 3. Installation this air conditioner is designed with a button-down chassis so it can be easily installed in a window. 3.1 select the best location 1. To prevent vibration and noise, make sure the unit is installed securely and firmly. 2. Install the unit where the sun does not shine directly o...

  • Page 14

    —14— installation 3.2.2 before installation 1. Insert the guide panels into the guides of the air condi- tioner. Fasten the curtains to the unit with screws (type a) as shown figure. 24. 2. Cut the adhesive-backed seal strip (type d) to the window width. Remove the backing from the seal strip and at...

  • Page 15

    3. Install the air conditioner in the window a. Carefully lift the air conditioner and slide it into the open window. Make sure the bottom guide of the air conditioner drops into the notches of the l bracket. See figure. 27. Important : when the air conditioner drops into the l bracket, the air cond...

  • Page 16: 4. Troubleshooting Guide

    —16— removal from window turn the air conditioner off, disconnect the power cord, remove the l bracket and the screws installed through the top and bot- tom of the guide panels, and save for reinstallation later. Close the guide panels. Keeping a firm grip on the air conditioner, raise the sash, and...

  • Page 17

    —17— 4.2 piping system following is a brief description of the important components and their function in what is called the refrigeration system. Reference should be made to figure 32 to follow the refrigerating cycle and the flow of the refrigerant in the cooling cycle. Cooled air hot discharged a...

  • Page 18

    —18— 4.3 troubleshooting guide in general, possible trouble is classified in two kinds. The one is called starting failure which is caused by an electrical defect. The other is ineffective air con- ditioning caused by a defect in the refrigeration circuit and improper application. Unit is running bu...

  • Page 19

    —19— fails to start improper thermistor setting loose terminal connection improper wiring check of power source. Drop of power voltage. Capacitor check. Replacement. Check of control panel setting. Compressor fails only to start. Defect of compressor capacitor. Replacement of compressor (motor damag...

  • Page 20

    —20— is the trans output power ac 115v? Is the trans output power about ac 14v? Is shorted the trans. Output? Is output voltage of ic01d dc 12v? Is output voltage of ic02d dc 5v? Is the voltage no.20 of micom dc 5v? Exchange main p.W.B ass'y. Is the connection between main and display all right? Is ...

  • Page 21

    —21— is temp. Setting set lower than room temp.-0.5 ° c? Is the voltage no.11 of ic01m 0v? • exchange ic01m. • set the temp. Setting to higher temp. • wait 3 minutes is the unit for 3 minutes delay? • exchange main p.W.B ass'y. Is the voltage n0.6 of ic01m dc 5v? • check the ry-comp. • check the wir...

  • Page 22

    —22— is the voltage of battery about over 2.3v? • exchange receiver ass'y. Is the connection of cn-disp2 all right? Is the voltage no.10 of cn-disp2 on main p.W.B ass'y dc 5v? • exchange the battery. • check the p.W.B pattern. • connect connector to cn-disp2 exactly. No no no yes yes yes possible tr...

  • Page 23

    —23— room air conditioner voltage limits name plate rating minimum maximum 115v ± 10% 103.5v 126.5v complaint cause remedy fan motor will not run. No power check voltage at outlet. Correct if none. Power supply cord check voltage to rotary switch. If none, check power supply cord. Replace cord if ci...

  • Page 24

    —24— complaint cause remedy fan motor noise. Fan if cracked, out of balance, or partially missing, replace it. Blower if cracked, out of balance, or partially missing, replace it. Loose set screw tighten it. Worn bearings if knocking sounds continue when running or loose, replace the motor. If the m...

  • Page 25

    —25— complaint cause remedy compressor cycles on fan motor if not running, determine the cause. Replace if overload required. Condenser air flow remove the cabinet, inspect the interior surface restriction of the condenser. If restricted, clean carefully with a vacuum cleaner (do not damage fins) or...

  • Page 26: 5. Schematic Diagram

    —26— location no. 1 2 3 4 5 6 7 8 5. Schematic diagram 5.1 circuit diagram • model : m5403r, m5203r, m5203l, m6003r, wm-6011, lwj0611pcg, lwc061jgmk1 q'ty per set 1 1 1 1 1 1 1 1 description power cord assembly fan motor compressor display p.W.B assembly main p.W.B assembly thermistor capacitor ower...

  • Page 27

    —27— 5.2 electronic control device.

  • Page 28

    —28— 5.3 components location (for main p.W.B asm) 5.4 components location (for display p.W.B asm).

  • Page 29: 6. Exploded View

    —29— 6. Exploded view 135313 352390 267110 152302 130410 359012 w48602 135312 354210 349480 352380 149980 559011 346811 554030 w48602 130910 264110 238310 w0czz 249950 268714 263230 550140 554160 567502 352115 552111 352113 35211a 237200 268712.

  • Page 30: 7. Service Parts List

    —30— 7. Service parts list location no description remarks m5403r m5203r m5203l 130410 base assy, single 3041a10011e r 130910 cabinet assy ,single 3091a10020a r 135312 grille assy, front(single) 3531ar1644h 3531ar1644u r 135313 grille assy, inlet 3530a10039a r 137215 panel, control 3720a20017a 3720a...

  • Page 31

    —31— m6003r wm-6011 lwj0611pcg lwc061jgmk1 130410 base assy, single 3041a10011e 3041a10011e 3041a10011e 3041a10011e r 130910 cabinet assy, single 3091a10020a 3091a10020a 3091a10020d 3091a10020d r 135312 grille assy, front(single) 3531ar1644h 3531ar1644t 3531ar1644t 3531ar1644t r 135313 grille assy, ...

  • Page 32

    P/no.: 3828a20038b february, 2003 printed in korea.