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Table of Contents
Troubleshooting
Related Manuals for Goldstar LWC061JGMK1
Summary of Contents for Goldstar LWC061JGMK1
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Page 1: Room Air Conditioner
ROOM AIR CONDITIONER SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. D ry C oo MODEL : M5403R, M5203R, M5203L, M6003R, WM-6011, LWJ0611PCG, LWC061JGMK1 website: http://www.lgservice.com e-mail: http://www.lgeservice.com/techsup.html... -
Page 2: Table Of Contents
This service manual provides various service information, including the mechanical and electrical parts, etc. This room air conditioner was manufactured and assembled under a strict quality control system. The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit. -
Page 3: Specifications
3. Measure the resistance value with an ohm meter between the jumpered lead and each exposed metallic part on the equipment at all Mode [except POWER OFF]. 4. The value should be over 1 M . —3— M6003R LWJ0611PCG WM-6011 LWC061JGMK1 6,000 6,000 6 POLES, 21.4W... -
Page 4: Locations Of Controls
1.5 LOCATIONS OF CONTROLS 1.5.1 CONTROLS Cool TEMPERATURE SETTING • This button can automatically control the temperature of the room. The temperature can be set within a range of 60 F(16 C) to 86 F(30 C) by 1 F(1 C). Select the lower number for lower temperature of the room. -
Page 5: Remote Controller
• Remove the batteries from the remote con- troller if the air conditioner is not going to be used for an extended length of time. —5— Power Temp... -
Page 6: Disassembly Instructions
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 away from the cabinet as the top tabs lift out of their slots. -
Page 7: Air Handling Parts
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. -
Page 8: Motor
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. -
Page 9: Compressor
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 the compressor connections. -
Page 10: Power Cord
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. -
Page 11: Capillary Tube
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. - Page 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. CONDENSER (HIGH PRESSURE SIDE) COMPRESSOR EXTERNAL VACUUM PUMP Figure 20A-Pulling Vacuum COMPOUND GAUGE MANIFOLD GAUGE...
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Page 13: Installation
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. -
Page 14: Before Installation
Installation HARDWARE TYPE A: 11EA (SHORT SCREW) TYPE D: 1EA (SEAL STRIP) (Adhesive backed) 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. -
Page 15: How To Secure The Drain Pipe
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. -
Page 16: Troubleshooting Guide
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 carefully tilt the air conditioner backward, draining any condensate water. -
Page 17: Piping System
Reference should be made to Figure 32 to follow the refrigerating cycle and the flow of the refrigerant in the cooling cycle. EVAPORATOR COILS COMPLETE LIQUID BOIL OFF POINT COOLED LIQUID PRESSURE DROP ROOM AIR CONDITIONER CYCLE OF REFRIGERATION SUCTION LINE COOL LOW PRESSURE VAPOR ROOM AIR HEAT LOAD MOTOR COMPRESSOR (LIQUID REFRIGERANT) CAPILLARY TUBE Figure 32 —17—... -
Page 18: Troubleshooting Guide
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 but cooling is ineffective. - Page 19 Check of power source. Check of control panel setting. Compressor fails only to start. Drop of power voltage. Defect of compressor capacitor. Capacitor check. Replacement. Irregular motor resistance ( ) Irregular motor insulation ( ) Replacement of compressor (Motor damaged). Fails to Start Improper thermistor setting...
- Page 20 ELECTRIC PARTS TROUBLESHOOTING GUIDE: Possible Trouble 1 Is the Trans output power AC 115V? Is the Trans output power about AC 14V? Is output Voltage of IC01D DC 12V? Is output Voltage of IC02D DC 5V? Is the reset circuit all right? (The No.16 of Micom is 5V.) Is the...
- Page 21 Possible Trouble 2 Is Temp. setting set lower than Room Temp.-0.5 C? Is the voltage No.11 of IC01M 0V? • Check the RY-COMP. • Check the wiring Diagram. Possible Trouble 3 Is the wire connection of RY-COMP all right? • Check the RY-COMP. Possible Trouble 4 Is the voltage NO.2 or 4 of IC01M DC 5V?
- Page 22 Possible Trouble 5 Is the voltage of Battery about over 2.3V? Is the voltage No.10 of CN-DISP2 on Main P.W.B Ass'y DC 5V? Is the connection of CN-DISP2 all right? • Exchange Receiver Ass'y. Possible Trouble 6 Is the IC01G all right? Is the connection of CN-DISP2 all right? Does the Q12G,...
- Page 23 ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING 115V ± 10% COMPLAINT Fan motor will not run. No power Power supply cord Rotary switch Wire disconnected or connection loose Capacitor (Discharge capacitor before testing.) Will not rotate Fan motor runs.
- Page 24 COMPLAINT Fan motor noise. Blower Loose set screw Worn bearings Compressor will not run, Voltage fan motor runs. Wiring Thermistor Capacitor (discharge capacitor before servicing.) Compressor Overload Compressor cycles on Voltage overload. Overload CAUSE If cracked, out of balance, or partially missing, replace it.
- Page 25 COMPLAINT Compressor cycles on Fan motor overload Condenser air flow restriction Condenser fins (damaged) Capacitor Wiring Refrigeration system Insufficient cooling. Air filter Unit undersized Excessive noise. Blower or fan Copper tubing CAUSE If not running, determine the cause. Replace if required.
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Page 26: Schematic Diagram
5. SCHEMATIC DIAGRAM 5.1 CIRCUIT DIAGRAM • MODEL : M5403R, M5203R, M5203L, M6003R, WM-6011, LWJ0611PCG, LWC061JGMK1 POWER INPUT WH(BL) BK(BR) (Ribbed) (Plain) GN(GN/YL) MOTOR OR(BR) OR(BR) CAPACITOR RY-L RY-H ZNR01J RY-COMP COMP. FUSE 125V 2A 3854AR2330K WIRING DIAGRAM LOCATION THERMISTOR... -
Page 27: Electronic Control Device
5.2 ELECTRONIC CONTROL DEVICE —27—... -
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—... -
Page 29: Exploded View
6. EXPLODED VIEW W48602 559011 130910 554030 149980 349480 267110 352380 135312 359012 346811 W48602 352390 152302 354210 130410 135313 W0CZZ 264110 552111 567502 352115 352113 237200 554160 268714 263230 35211A 550140 238310 268712 249950 —29—... -
Page 30: Service Parts List
7. SERVICE PARTS LIST LOCATION NO DESCRIPTION 130410 BASE ASSY, SINGLE 130910 CABINET ASSY ,SINGLE 135312 GRILLE ASSY, FRONT(SINGLE) 135313 GRILLE ASSY, INLET 137215 PANEL, CONTROL 149980 SHROUD 152302 FILTER(MECH), A/C 238310 ESCUTCHEON 249950 CONTROL BOX ASSY, SINGLE 263230 THERMISTOR ASSY 264110 POWER CORD ASSY 267110... - Page 31 COMPRESSOR 559011 FAN, PROPELLER 567502 O.L.P W0CZZ CAPACITOR, DRAWING W48602 CLAMP, SPRING PART NO M6003R WM-6011 LWJ0611PCG LWC061JGMK1 3041A10011E 3041A10011E 3041A10011E 3041A10011E 3091A10020A 3091A10020A 3091A10020D 3091A10020D 3531AR1644H 3531AR1644T 3531AR1644T 3531AR1644T 3530A10039A 3530A10039A 3530A10039A 3530A10039A 3720A20017A 3720A20017A 3720A20017A 3720A20017A 4998A10008A 4998A10008A...
- Page 32 February, 2003 P/No.: 3828A20038B Printed in Korea...