LG DH504ELY6 Service Manual

LG DH504ELY6 Manual

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  • LG DH504ELY6 | Service Manual - Page 1
    http://biz.LGservice.com Dehumidifier SERVICE MANUAL MODELS: DH300EY6/DH305Y6/DH300MY6 LD40Y6/DH400MY6 DH404EY6/DH400EY6/LD40EY6 DH504ELY6/LD50ELY6/DH500MY6 LD65ELY6 CAUTION - BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. - ONLY FOR AUTHORIZED SERVICE.
  • LG DH504ELY6 | Service Manual - Page 2
    PANEL ...16 3.2.8 FAN AND MOTOR...17 3.2.9 DRAIN PAN ...17 3.3 REFRIGERATING CYCLE ...18 3.3.1 CONDENSER, EVAPORATOR AND CAPILLARY TUBE 18 3.3.2 ROTARY COMPRESSOR ...18 3.4 HOW TO REPLACE REFRIGERATION SYSTEM 19 4. TROUBLESHOOTING GUIDE 21 5. EXPLODED VIEWS ...23 6. REPLACEMENT PARTS LIST 30 -2-
  • LG DH504ELY6 | Service Manual - Page 3
    This Service Manual provides various service information, including the mechanical and electrical parts. This dehumidifier was manufactured and assembled under the strict quality control procedures. The refrigerant is charged at the factory. Be sure to read the safety precaution prior to servicing
  • LG DH504ELY6 | Service Manual - Page 4
    DH305Y6, DH300MY6 DH400MY6,LD40Y6 DH500MY6 - DH300EY6 DH404Y6 DH504ELY6 LD65ELY6 DH400EY6,LD40EY6 LD50ELY6 1.4 SPECIFICATIONS ITEMS MODELS POWER SUPPLY(Phase,V,Hz) INPUT(W) RUNNING CURRENT(A) ENERGY FACTOR(L/kw.h) REFRIGERANT REFRIGERANT CHARGE, oz(g) OPEN THERMISTOR CLOSE SOLENOID VALVE
  • LG DH504ELY6 | Service Manual - Page 5
    to a higher setting. MAX is the highest setting. • When excess moisture and dampness odors are gone, adjust the control to a lower setting. Use the dehumidifier as long as excess moisture is present. Fan Speed • The fan control adjusts the fan speed. Set the fan control to HIGH for maximum moisture
  • LG DH504ELY6 | Service Manual - Page 6
    WORK? Moist, humid air is drawn over a cold refrigerated dehumidifying coil. Moisture in the air condenses on this coil and drains into a bucket (or . NOTE: The low temperature operation feature in the DH504EL, DH50EL and DH65EL models will continuously cycle up to a temperature of 42°F(6°C). -6-
  • LG DH504ELY6 | Service Manual - Page 7
    Humidity Control toward Off. The relative humidity range is from 20% to 80%. (See Figure 6) Turn the Humidity Control to Off to stop the unit manually. 1.6.5.2 Electronic Type The humidity control can be set 'on' or 35%-70% RH(Relative Humidity) for normal operation. (See Figure 7) If you need drier
  • LG DH504ELY6 | Service Manual - Page 8
    DH305Y6,DH300MY6 6411A20001Z 6600FX5001G 4681A20040Q 0CZZA20005J 2520UCBS005 6750U-L082A 6871A20289B 6877A30013L 6601A30006A 6600A30003C 6871A10142A Q'TY REPER SET MARKS 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS -8-
  • LG DH504ELY6 | Service Manual - Page 9
    , MICRO 9 PWB(PCB) ASSEMBLY, MAIN PART NO. DH300EY6 6411A20001Z 4681A20040Q 0CZZA20005J 2520UCBS005 6750U-L082A 6871A20600A 6877A30013L 6600A30003C 6871A20888A Q'TY REPER SET MARKS 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS -9-
  • LG DH504ELY6 | Service Manual - Page 10
    10 SWITCH ASSEMBLY, MICRO 11 PWB(PCB) ASSEMBLY, MAIN PART NO. DH400MY6/LD40Y6 6411A20001Z 6600FX5001G 4681A20040Q 0CZZA20005N 2520UCAS003 6750U-L103A 6871A20289B 6877A30013L 6601A30006A 6600A30003C 6871A10142A S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS -10- Q'TY REPER SET MARKS
  • LG DH504ELY6 | Service Manual - Page 11
    7 SENSOR ASSEMBLY 8 SWITCH ASSEMBLY,MICRO 9 PWB(PCB) ASSEMBLY,MAIN PART NO. DH404EY6/DH400EY6 LD40EY6 6411A20001Z 4681A20040Q 0CZZA20005N 2520UCAS003 6750U-L103A 6871A20600A 6877A30013L 6600A30003C 6871A20888A S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS -11- Q'TY REPER SET MARKS
  • LG DH504ELY6 | Service Manual - Page 12
    , ROTARY 10 SWITCH ASSEMBLY, MICRO 11 PWB(PCB) ASSEMBLY, MAIN PART NO. DH500MY6 6411A20001Z 6600FX5001G 4681A20040J 0CZZA20005J 2520UCBA010 6750U3L001A 6871A20289B 6877A30013L 6601A30006A 6600A30003C 6871A10142A S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS -12- Q'TY REPER SET MARKS
  • LG DH504ELY6 | Service Manual - Page 13
    • MODEL : DH504ELY6/LD50ELY6/LD65ELY6 NO. DESCRIPTION PART NO. DH504ELY6/LD50ELY6 LD65ELY6 1 POWER CORD 9 PWB(PCB) ASSEMBLY, MAIN 6871A20888C 10 COIL ASSEMBLY, SOLENOID 6421A20003K S: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS Q'TY REPER SET MARKS 1 S 1 S 1 S 1 S 1
  • LG DH504ELY6 | Service Manual - Page 14
    3. DISASSEMBLY INSTRUCTIONS 3.1 MECHANICAL PARTS 3.1.1 BUCKET AND AIR FILTER 1. Turn the Humidity Control off(Mechanical type) or press the power button off. (Electronic type) 2. Disconnect the power supply. 3. Remove the
  • LG DH504ELY6 | Service Manual - Page 15
    3.2 CONTROL PARTS 3.2.1 POWER CORD ASSEMBLY 1. After opening the control box, remove the screw that holds the ground wire. (See Figure 15) 2. Disconnect the remaining leads of the
  • LG DH504ELY6 | Service Manual - Page 16
    ) ASSEMBLY, DISPLAY after turning over both hooks of the display cover. 3.2.6.2 CONTROL PANEL - Electronic Type (DH300EY6/DH404EY6/DH400EY6/LD40EY6/DH504ELY6/ LD50ELY6/LD65ELY6) 1. Disconnect the housing of the PWB(PCB) ASSEMBLY, DISPLAY from PWB(PCB) ASSEMBLY, MAIN (3.1.3). 2. Remove 6 screws that
  • LG DH504ELY6 | Service Manual - Page 17
    secure the Motor and earth wire. (See Figure 23) 5. Remove the Motor. 3.2.9 SHROUD AND DRAIN PAN 1. Discharge the refrigerant by using a refrigerant Recovery System. 2. After purging the unit completely, unbrace the Discharge and the Suction tube connected compressor carefully. 3. Remove 2 screws
  • LG DH504ELY6 | Service Manual - Page 18
    a refrigerant Recovery System. 2. After purging the unit completely, unbraze the suction and discharge tubes at the compressor connections. 3. Remove the nuts and washers which fasten the compressor. (See Figure 29) 4. Remove the compressor. (See Figure 29) Using Rotary Compressor models Figure
  • LG DH504ELY6 | Service Manual - Page 19
    TO REPLACE THE REFRIGERATION SYSTEM 1. When replacing a refrigeration component, be sure to discharge the refrigerant system by using a refrigerant recovery system. 2. After discharging the unit completely, remove the desired component, and unbraze the pinch-off tubes. 3. Solder service valves into
  • LG DH504ELY6 | Service Manual - Page 20
    , brazing equipment. pinch-off tool capable of making a vapor-proof seal, leak detector, tubing cutter, hand tools to remove components, service valve. EVAPORATOR ASSEMBLY (LOW PRESSURE SIDE) CONDENSER ASSEMBLY (HIGH PRESSURE SIDE) COMPOUND GAUGE MANIFOLD GAUGE A B CAPILLARY TUBE SEE INSETS
  • LG DH504ELY6 | Service Manual - Page 21
    4. TROUBLESHOOTING GUIDE CONDITION 1. Dehumidifier does not start. (Both compressor and fan motor do Does not defrost control. 4. Insufficient dehumidification Capacitor (Discharge capacitor before servicing.) Compressor Overload protector (OLP) Defrost control is defective. Low relative humidity
  • LG DH504ELY6 | Service Manual - Page 22
    ground in electrical circuit Unit pressures not equalized Capacitor Wiring Refrigeration system Stuck compressor Overload protector (OLP) REMEDY If 103.5V and 126.5V volts. If intermittent, provide new supply. Move dehumidifier for free and unobstructed air flow. Clean dust or dirt on the Heat
  • LG DH504ELY6 | Service Manual - Page 23
    5. EXPLODED VIEWS • MODEL: DH305Y6/DH300MY6 149980 W0CZZ-2 554030 354210 349600 359012 346811 149410 268711-1 266002 266003 135312 238310 ShuAt-uOtfof 3 4 5 2 6 1 Hu Off midi ty ContrMoal x 9 7 8 High Fan Speed
  • LG DH504ELY6 | Service Manual - Page 24
    • MODEL: DH300EY6 554030 354210 349600 149980 359012 235512 268711-1 346811 135312 238310 435300 131400 436500 W0CZZ-2 268711-2 249950 264110 165010 352113 148391 152302 266010 35211A 144410 752140 330870 130410 567502 554160 -24- 550140 552111
  • LG DH504ELY6 | Service Manual - Page 25
    • MODEL: DH400MY6/LD40Y6 149980 W0CZZ-2 554030 354210 349600 359012 346811 135312 149410 268711-1 266003 266002 238310 ENERGY STAR ShuAt-uOtfof Off Humidity ControMl ax Fan Speed
  • LG DH504ELY6 | Service Manual - Page 26
    • MODEL: DH404EY6/DH400EY6/LD40EY6 149980 554030 354210 349600 359012 235512 268711-1 346811 135312 238310 435300 131400 436500 W0CZZ-2 268711-2 249950 264110 165010 352113 148391 152302 266010 144410 -26- 35211A 752140 330870 130410 567502 554160 550140 552111
  • LG DH504ELY6 | Service Manual - Page 27
    • MODEL: DH500MY6 149980 W0CZZ-2 554030 354210 349600 359012 346811 135312 149410 268711-1 266003 266002 238310 ENERGY STAR ShuAt-uOtfof Off Humidity ControMl ax Fan Speed High
  • LG DH504ELY6 | Service Manual - Page 28
    • MODEL: DH504ELY6/LD50ELY6 149980 W0CZZ-2 554030 354210 349600 359012 268711-2 235512 268711-1 346811 135312 238310 435300 131400 436500 152302 266010 752140 249950 264110 165010 35211A 552204 352113 330870 567502 130410 554160 148391 144410 -28- 550140
  • LG DH504ELY6 | Service Manual - Page 29
    • MODEL: LD65ELY6 554030 354210 349600 149980 359012 235512 268711-1 346811 135312 238310 435300 131400 436500 148391 152302 266010 752140 330870 130410 144410 -29- W0CZZ-2 268711-2 249950 264110 165010 552204 35211A 352113 567502 554160 550140
  • LG DH504ELY6 | Service Manual - Page 30
    6. REPLACEMENT PARTS LIST • MODEL: DH305Y6/DH300MY6 LOCATION NO. DESCRIPTION PART NO. DH305Y6/DH300MY6 130410 131400 135312 330870 148391 149410 152302 165010 249950 264110 266002 266003 266010 268711-1 268711-2 346811 35211A 352113 552111 354210 554030 W0CZZ-2
  • LG DH504ELY6 | Service Manual - Page 31
    • MODEL: DH300EY6 LOCATION NO. DESCRIPTION 130410 131400 135312 330870 148391 152302 165010 249950 264110 266010 COVER ASSEMBLY,DISPLAY HOSE,CONNECTOR ISOLATOR,COMP SHROUD REAR GRILLE PART NO. DH300EY6 3041A10042A 3090A10042A 3531A18012F 3087A10019C 4839A10002A 5230A20040A 6877A30013L
  • LG DH504ELY6 | Service Manual - Page 32
    • MODEL: DH400MY6/LD40Y6 LOCATION NO. DESCRIPTION 130410 131400 135312 ASSEMBLY,DISPLAY HOSE,CONNECTOR BUSHING SHROUD REAR GRILLE PART NO. DH400MY6/LD40Y6 3041A10042B 3090A10042A 3531A10285E / 3531A20285B 4830A30005A 4998A10034B 3530A10193B REMARK "B:LG/E:Goldstar" "E:Goldstar/K:LG" -32-
  • LG DH504ELY6 | Service Manual - Page 33
    • MODEL: DH404EY6/DH400EY6/LD40EY6 LOCATION NO. DESCRIPTION 130410 131400 HOSE,CONNECTOR ISOLATOR,COMP SHROUD REAR GRILLE PART NO. DH404EY6/DH400EY6/LD40EY6 3041A10042B 3090A10042A 3531A18012A 5214A20027B 4830A30005A 4998A10034B 3530A10193B REMARK "A:Goldstar/E:LG" "A:Goldstar/J:LG" -33-
  • LG DH504ELY6 | Service Manual - Page 34
    • MODEL: DH500MY6 LOCATION NO. DESCRIPTION 130410 131400 135312 330870 148391 149410 152302 165010 W0CZZ-2 COVER ASSEMBLY,DISPLAY HOSE,CONNECTOR ISOLATOR,COMP SHROUD REAR GRILLE PART NO. DH500MY6 3041A10042A 3090A10042A 3531A10285E 3087A10019C 4839A10002A 4941A30019B 5230A20040A 6877A30013L
  • LG DH504ELY6 | Service Manual - Page 35
    • MODEL: DH504ELY6/LD50ELY6 LOCATION NO. DESCRIPTION 130410 131400 135312 330870 148391 CONNECTOR ISOLATOR,COMP SHROUD REAR GRILLE PART NO. DH504ELY6/LD50ELY6 3041A10042A 3090A10042A 3531A18012A/E 3087A10019C 4830A30005A 4998A10034B 3530A10193B REMARK "A:Goldstar/E:LG" "A:Goldstar/J:LG" -35-
  • LG DH504ELY6 | Service Manual - Page 36
    • MODEL: LD65ELY6 LOCATION NO. DESCRIPTION 130410 131400 135312 330870 148391 152302 165010 W0CZZ-2 249950 COVER ASSEMBLY,DISPLAY HOSE,CONNECTOR ISOLATOR,COMP SHROUD REAR GRILLE PART NO. LD65ELY6 3041A10042A 3090A10042A 3531A18012E 3087A10019C 4839A10002A 5230A20040A 6877A30013L 0CZZA20005J
  • LG DH504ELY6 | Service Manual - Page 37
    P/No : 3828A31001 January, 2005 Printed in China
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Dehumidifier
SERVICE MANUAL
MODELS: DH300EY6/DH305Y6/DH300MY6
LD40Y6/DH400MY6
DH404EY6/DH400EY6/LD40EY6
DH504ELY6/LD50ELY6/DH500MY6
LD65ELY6
CAUTION
- BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
- ONLY FOR AUTHORIZED SERVICE.