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  4. DH300EY6
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Goldstar DH300EY6 Service Manual

Other manuals for DH300EY6: Service Manual
Manual is about: Dehumidifier

Summary of DH300EY6

  • Page 1

    Dehumidifier service manual models: dh300ey6/dh305y6/dh300my6 ld40y6/dh400my6 dh404ey6/dh400ey6/ld40ey6 dh504ely6/ld50ely6/dh500my6 ld65ely6 http://biz.Lgservice.Com caution - before servicing the unit, read the safety precautions in this manual. - only for authorized service..

  • Page 2: Contents

    —2— 1. Preface 1.1 safety precautions...........................................................................................................................3 1.2 features and dimensions .................................................................................................................

  • Page 3: 1. Preface

    —3— 1. Preface 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...

  • Page 4

    —4— 1.4 specifications 1.3 model names model name capacity (pints/24hrs) 30 40 50 65 mechanical type electronic type control panel dh305y6, dh300my6 dh400my6,ld40y6 dh500my6 - dh300ey6 dh404y6 dh504ely6 ld65ely6 dh400ey6,ld40ey6 ld50ely6 *note:specifications are subject to minor change without notic...

  • Page 5

    —5— 1 2 3 4 5 6 7 8 9 off max high low fan speed humidity control auto shut-off constantly on. Fan speed timer high low 4hr. On/off 2hr. On/off humidity control bucket full power auto restart humidity setting humidity control • when you first use the dehumidifier, turn the humidity control to 5 or 6...

  • Page 6

    —6— 1.6.1 how does the dehumidifier 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 through the bucket into a hose and drain). Dry, clean air is drawn over the condenser where it is actually heated s...

  • Page 7

    —7— 1.6.5 humidity controller 1.6.5.1 mechanical type the humidity control can be set anywhere between off and max for normal operation. If you need more dehumidification, turn the humidity control toward max. If you need less dehumidification, turn the humidity control toward off. The relative humi...

  • Page 8: 2. Circuit Diagram

    —8— 2. Circuit diagram • model : dh305y6, dh300my6 q'ty per set 1 1 1 1 1 1 1 1 1 1 1 re- marks s s s s s s s s s s s 1 2 3 4 5 6 7 8 9 10 11 description power cord assembly switch, rocker motor assembly capacitor compressor, set olp pwb(pcb) assembly, display sensor assembly switch assembly, rotary...

  • Page 9

    —9— • model : dh300ey6 s: service parts a: alternate parts n: not service parts q'ty per set 1 1 1 1 1 1 1 1 1 re- marks s s s s s s s s s 1 2 3 4 5 6 7 8 9 description power cord assembly motor assembly capacitor compressor, set olp pwb(pcb) assembly, display sensor assembly switch assembly, micro ...

  • Page 10

    —10— • model : dh400my6/ld40y6 q'ty per set 1 1 1 1 1 1 1 1 1 1 1 re- marks s s s s s s s s s s s 1 2 3 4 5 6 7 8 9 10 11 description power cord assembly switch, rocker motor assembly capacitor compressor (rotary), set olp (assembly) pwb(pcb) assembly, display sensor assembly switch assembly, rotary...

  • Page 11

    —11— • model : dh404ey6/dh400ey6/ld40ey6 q'ty per set 1 1 1 1 1 1 1 1 1 re- marks s s s s s s s s s 1 2 3 4 5 6 7 8 9 description power cord assembly motor assembly capacitor compressor,set olp pwb(pcb) assembly,display sensor assembly switch assembly,micro pwb(pcb) assembly,main dh404ey6/dh400ey6 l...

  • Page 12

    —12— • model : dh500my6 q'ty per set 1 1 1 1 1 1 1 1 1 1 1 re- marks s s s s s s s s s s s 1 2 3 4 5 6 7 8 9 10 11 description power cord assembly switch, rocker motor assembly capacitor compressor (rotary), set olp (assembly) pwb(pcb) assembly, display sensor assembly switch assembly, rotary switch...

  • Page 13

    —13— • model : dh504ely6/ld50ely6/ld65ely6 q'ty per set 1 1 1 1 1 1 1 1 1 1 re- marks s s s s s s s s s s 1 2 3 4 5 6 7 8 9 10 description power cord assembly motor assembly capacitor compressor (rotary), set olp. Pwb(pcb) assembly, display sensor assembly switch assembly, micro pwb(pcb) assembly, m...

  • 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 bucket. (see figure 9) 4. Pull out the air filter. (see figure 10) 3.1.2 front case and rear grille 1. Rem...

  • 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 power cord from the pwb(pcb) assembly, main, then remove it from the control box. 3.2.2 sensor assembly 1. Disconnect th...

  • Page 16

    —16— 3.2.6 coil assembly, solenoid (dh504ely6, ld50ely6, ld65ely6) 1. Disconnect the housing of the coil assembly, solenoid from the pcb(pwb) assembly, main. 2. Remove the screw that fastens the coil assembly, solenoid. (see figure 19) 3. Pull it out upwards. 3.2.7 control panel 3.2.6.1 control pane...

  • Page 17

    3.2.8 fan and motor 1. Turn the nut left and full out the fan by hands carefully. 2. Remove 2 screws that fasten heat exchange. 3. Lift the h/e and open the h/e around 45 degree clockwise carefully. (see figure 22) 4. Unfasten 3 screws that secure the motor and earth wire. (see figure 23) 5. Remove ...

  • Page 18

    —18— 3.3 refrigerating cycle 3.3.1 condenser, evaporator and capillary tube 1. Remove the insulation on the heater/evaporator (h/e) assembly 2. Pierce the pinch-off tube to discharge the refrigerant, using a refrigerant recovery system. 3. After discharging the refrigerant completely, remove 2 screw...

  • Page 19

    —19— 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 the pinch-off tube ports, leavi...

  • Page 20

    —20— 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, service valve. B a compressor compound gauge manifold gauge see insets below external vacuum p...

  • Page 21: 4. Troubleshooting Guide

    Condition 1. Dehumidifier does not start. (both compressor and fan motor do not operate.) 2. Motor runs but compressor does not run. 3. Does not defrost control. 4. Insufficient dehumidification cause no power poor plug contact at outlet. Bucket is full. Humidity control is at off position wire disc...

  • Page 22

    —22— condition 5. Noisy operating 6. Water drips 7. Compressor cycles on overload protector. (olp) cause fan loose foreign material inside the housing. Tube hits frame. Fan blade hits frame internal compressor noise. Loose set screws worn bearings of motor assembly the bucket is not installed proper...

  • Page 23: . Exploded Views

    —23— 5 . Exploded views • model: dh305y6/dh300my6 354210 554030 131400 349600 149980 165010 346811 359012 264110 148391 144410 752140 152302 436500 249950 266010 130410 235512 149410 435300 330870 266003 238310 135312 268711-1 266002 1 2 3 4 5 6 7 8 9 o f f max h gi h low d e e p s n a f l o r t n o...

  • Page 24

    —24— • model: dh300ey6 354210 554030 131400 349600 149980 165010 346811 359012 264110 148391 144410 752140 436500 249950 266010 130410 435300 330870 135312 w0czz-2 268711-2 35211a 552111 567502 554160 550140 352113 152302 235512 238310 268711-1.

  • Page 25

    —25— • model: dh400my6/ld40y6 w0czz-2 165010 268711-2 264110 249950 352113 552111 550140 567502 554160 354210 554030 131400 349600 149980 346811 359012 148391 144410 752140 152302 436500 266010 130410 235512 149410 435300 330870 266003 238310 135312 268711-1 266002 hig h low d e e p s n a f m u h o ...

  • Page 26

    —26— • model: dh404ey6/dh400ey6/ld40ey6 w0czz-2 165010 268711-2 264110 249950 352113 552111 550140 567502 554160 354210 554030 135312 131400 349600 149980 346811 359012 148391 144410 752140 152302 436500 130410 235512 266010 238310 435300 330870 35211a 268711-1.

  • Page 27

    —27— • model: dh500my6 w0czz-2 165010 268714-2 264110 249950 352113 552111 550140 567502 554160 354210 554030 131400 349600 149980 346811 359012 148391 144410 752140 152302 436500 266010 130410 235512 149410 435300 330870 266003 238310 135312 268711-1 266002 hig h low d e e p s n a f m u h o c y t i...

  • Page 28

    —28— • model: dh504ely6/ld50ely6 w0czz-2 165010 268711-2 264110 249950 35211a 352113 552204 567502 554160 550140 354210 554030 135312 131400 349600 149980 346811 359012 148391 144410 752140 152302 436500 130410 235512 266010 238310 435300 330870 268711-1.

  • Page 29

    —29— • model: ld65ely6 w0czz-2 165010 268711-2 264110 249950 35211a 552204 352113 567502 554160 550140 354210 135312 554030 131400 349600 149980 346811 359012 148391 144410 752140 152302 436500 130410 235512 266010 238310 435300 330870 268711-1.

  • Page 30: 6. Replacement Parts List

    —30— 6. Replacement parts list • model: dh305y6/dh300my6 130410 base assembly 3041a10042a 131400 cabinet 3090a10042a 135312 front grille,assembly 3531a10285c 330870 drain pan assembly 3087a10019c 148391 tank assembly,bucket 4839a10002a 149410 knob assembly 4941a30019b 152302 filter(mech),air 5230a20...

  • Page 31

    —31— • model: dh300ey6 130410 base assembly 3041a10042a 131400 cabinet 3090a10042a 135312 front grille,assembly 3531a18012f 330870 drain pan assembly 3087a10019c 148391 tank assembly,bucket 4839a10002a 152302 filter(mech),air 5230a20040a 165010 sensor asembly 6877a30013l 249950 control box,assembly ...

  • Page 32

    —32— • model: dh400my6/ld40y6 130410 base assembly 3041a10042b 131400 cabinet 3090a10042a 135312 front grille,assembly 3531a10285e / 3531a20285b "b:lg/e:goldstar" 330870 drain pan assembly 3087a10019c 148391 tank assembly,bucket 4839a10002a 149410 knob assembly 4941a30019b 152302 filter(mech),air 52...

  • Page 33

    —33— • model: dh404ey 6/dh400ey6/ld40ey6 130410 base assembly 3041a10042b 131400 cabinet 3090a10042a 135312 front grille,assembly 3531a18012a/e "a:goldstar/e:lg" 330870 drain pan assembly 3087a10019c 148391 tank assembly,bucket 4839a10002a 152302 filter(mech),air 5230a20040a 165010 sensor asembly 68...

  • Page 34

    —34— • model: dh500my6 130410 base assembly 3041a10042a 131400 cabinet 3090a10042a 135312 front grille,assembly 3531a10285e 330870 drain pan assembly 3087a10019c 148391 tank assembly,bucket 4839a10002a 149410 knob assembly 4941a30019b 152302 filter(mech),air 5230a20040a 165010 sensor asembly 6877a30...

  • Page 35

    —35— • model: dh504ely6/ld50ely6 130410 base assembly 3041a10042a 131400 cabinet 3090a10042a 135312 front grille,assembly 3531a18012a/e "a:goldstar/e:lg" 330870 drain pan assembly 3087a10019c 148391 tank assembly,bucket 4839a10002a 152302 filter(mech),air 5230a20040a 165010 sensor asembly 6877a30013...

  • Page 36

    —36— • model: ld65ely6 130410 base assembly 3041a10042a 131400 cabinet 3090a10042a 135312 front grille,assembly 3531a18012e 330870 drain pan assembly 3087a10019c 148391 tank assembly,bucket 4839a10002a 152302 filter(mech),air 5230a20040a 165010 sensor asembly 6877a30013l w0czz-2 capacitor 0czza20005...

  • Page 37

    P/no : 3828a31001 january, 2005 printed in china.