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31

Maintenance

Service Manual

Resistance Table of Ambient Temperature Sensor (100K)

Temp(

o

C) Resistance(kΩ)

Temp(

o

C) Resistance(kΩ)

Temp(

o

C) Resistance(kΩ)

Temp(

o

C) Resistance(kΩ)

-20

925.998

18

136.845

56

28.638

94

7.918

-19

876.141

19

130.752

57

27.600

95

7.676

-18

829.261

20

124.961

58

26.606

96

7.443

-17

785.155

21

119.456

59

25.652

97

7.218

-16

743.636

22

114.221

60

24.737

98

7.000

-15

704.532

23

109.242

61

23.858

99

6.790

-14

667.688

24

104.506

62

23.016

100

6.587

-13

632.956

25

100.000

63

22.207

101

6.391

-12

600.201

26

95.711

64

21.430

102

6.201

-11

569.300

27

91.629

65

20.684

103

6.018

-10

540.135

28

87.742

66

19.697

104

5.842

-9

512.601

29

84.041

67

19.279

105

5.671

-8

486.596

30

80.515

68

18.617

106

5.505

-7

462.029

31

77.155

69

17.981

107

5.346

-6

438.812

32

73.954

70

17.370

108

5.191

-5

416.865

33

70.902

71

16.782

109

5.042

-4

396.114

34

67.993

72

16.217

110

4.898

-3

376.487

35

65.218

73

15.673

111

4.758

-2

357.918

36

62.572

74

15.150

112

4.624

-1

340.348

37

60.017

75

14.646

113

4.493

0

323.717

38

57.637

76

14.141

114

4.367

1

307.972

39

55.337

77

13.695

115

4.245

2

293.062

40

53.141

78

13.245

116

4.127

3

278.941

41

51.043

79

12.813

117

4.012

4

265.562

42

49.040

80

12.396

118

3.902

5

252.886

43

47.126

81

11.995

119

3.795

6

240.871

44

45.296

82

11.608

120

3.691

7

229.482

45

43.548

83

11.235

121

3.591

8

218.684

46

41.876

84

10.876

122

3.494

9

208.443

47

40.276

85

10.530

123

3.400

10

198.729

48

38.747

86

10.196

124

3.309

11

189.514

49

37.283

87

9.874

125

3.221

12

180.769

50

35.882

88

9.564

126

3.136

13

172.469

51

34.541

89

9.265

127

3.053

14

164.590

52

33.257

90

8.976

128

2.973

15

157.109

53

32.027

91

8.697

129

2.896

16

150.005

54

30.849

92

8.428

130

2.821

17

143.256

55

29.720

93

8.169

131

2.748

Summary of Contents for GDN20AQ-E4EBA1A

Page 1: ...Service Manual GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual Model GDN20AQ E4EBA1A GDN24AQ E4EBA1A Refrigerant R134a...

Page 2: ...n 8 6 2 Introduction of Basic Mode Function 10 Part Maintenance 11 7 Notes Maintenance 11 8 Maintenance 13 8 1 Error Code 13 8 2 Malfunction Detection Flowchart 14 8 3 Maintenance Method for Common Ma...

Page 3: ...1 Technical Information Service Manual 1 Summary Part Technical Information...

Page 4: ...ure for the Discharge Side MPa 1 7 1 7 Permissible Excessive Operating Pressure for the Suction Side MPa 0 6 0 6 Dimension WXHXD mm 351X492X260 351X492X260 Dimension of Carton Box LXWXH mm 404X326X515...

Page 5: ...3 Technical Information Service Manual 3 Outline Dimension Diagram unit mm 492 521 260 351...

Page 6: ...rator and condenser in turn and then be discharged due to centrifugal blade When the air is passing through evaporator refrigerant will absorb the heat in air to let its temperature decrease to the te...

Page 7: ...olet OG Orange 5 Electrical Part 5 1 Wiring Diagram Instruction These circuit diagrames are subject to change without notice please refer to the one supplied with the unit AC L YEGN 0 TUBE TEMP SENSOR...

Page 8: ...reen on Main Board 5 2 PCB Printed Diagram Top view Bottom view No Name No Name 1 Interface of water level switch of watertank 4 Interface of fan motor 2 Interface of display board 5 Interface of neut...

Page 9: ...Dual 8 digital display tube 4 Connection wire of breathing light board 5 Connection wire of board 6 Needle stand of humidity and ambient temperature sensor 7 Power supply indicator 8 On off button 9...

Page 10: ...idity The display range of humidity is 35 80 Each pressing will increase decrease humidity by 5 When setting Timer On or Timer Off press these buttons to adjust time For specific details please refer...

Page 11: ...all mode indicators are OFF MODE Button 5 Press this button to turn off Filter Cleaning Indicator When dehumidifier has been operating for 250 hours Filter Cleaning Indicator will be lit up to remind...

Page 12: ...t temperature sensor malfunction on off button water blow protection after compressor starts up it will stop after it runs for 3min at least 3 Detection for temperature sensor malfunction Temperature...

Page 13: ...cialized power cord or connection wire from the manufacture or distributor Prohibit prolong the wire by yourself 7 Replace the fuse with a new one of the same specification if it is burnt down don t r...

Page 14: ...he dehumidifier no more than 45 Aim the shaft of castor at the installation hole on chassis and then forcibly push the castor upward to let the locating ring on the shaft of castor stick together with...

Page 15: ...on of tube temp sensor F2 1 The wiring terminal between evaporator temperature sensor and main board is loosened or poorly contacted 2 There s short circuit due to the trip over of the parts on contro...

Page 16: ...yes yes Malfunction is removed no yes yes no Is the wiring terminal between temperature sensor and the controller loosened or poor ly contacted Is there short circuit due to trip over of the par ts Is...

Page 17: ...s yes no no no no no no End check the connection Is malfunction eliminated Is malfunction Is malfunction eliminated eliminated Replace the display board with the same model Replace the humidity sensor...

Page 18: ...an the filter Placing position of water tank is improper Check whether there re obstacles around the dehumidifier blocked the air outlet Make sure there re no obstacles around the dehumidifiers Refrig...

Page 19: ...ge channel Possible causes Discriminating method dehumidifier status Troubleshooting Wrong wire connection or poor connection Check the wiring status according to circuit diagram Connect wires accordi...

Page 20: ...18 Maintenance Service Manual 9 Exploded View and Parts List...

Page 21: ...200007 00012200007 1 22 Display Board D10803N 30568312 30568312 1 23 Electric Box Cover 20126181 20126181 1 24 Membrane 63066514 63066514 1 25 Temperature Sensor 390000599 390000599 1 26 Filter Sub As...

Page 22: ...tank assembly 3 Remove back cover 2 Remove filter water tank assembly Pull the water tank onwards to remove the water tank assembly Press the 2 clasps of filter to make the groove loosened then pull...

Page 23: ...box cover electric box cover screws Disassemble the wires connected to the main board capacitor take out the humidity sensor and ambient sensor twist off the 2 screws used for fixing the top cover and...

Page 24: ...te screws 6 Remove front case sub assy 7 Remove cover plate Twist off the 5 screws and 3 clasps used for tightening the cover plate and then remove the cover plate Twist off the 7 screws and 3 clasps...

Page 25: ...condenser unsolder the soldering joint connected to the condenser and evaporator respectively and then remove the evaporator and condenser sub assy Note Release all the refrigerant completely before...

Page 26: ...Twist off the screws and then remove the power cord Unsolder the suction pipe and discharge from the soldering place of suction outlet and discharge outlet on compressor Note Release all the refriger...

Page 27: ...Remove the other three castors by the same method Twist off the 6 screws used for fixing the air ductand then remove the moot handle Twist off the nut for fixing the fan blade and then remove it screw...

Page 28: ...Service Manual capacitor screws Procedure Step 20 Remove the main board 21 Remove the capacitor Pull out the main board box then remove the main board Twist off the screws used for fixing the capacit...

Page 29: ...16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65 64 4 18 88 89 87 8 31 43 44 42 8 6 66 67 66 2 19 90 89 6 32 45 44 6 7 68 69 68 20 91 92 91 4 33 46 47 46 4 8 70 71 69 8 21 93 94...

Page 30: ...439 111 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0 642 0 49 02 3...

Page 31: ...9 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0 833 1 62 1...

Page 32: ...22 15 362 9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 79 10 274 29 41 34 68...

Page 33: ...32 73 954 70 17 370 108 5 191 5 416 865 33 70 902 71 16 782 109 5 042 4 396 114 34 67 993 72 16 217 110 4 898 3 376 487 35 65 218 73 15 673 111 4 758 2 357 918 36 62 572 74 15 150 112 4 624 1 340 348...

Page 34: ...317 143 2 032 173 1 038 203 0 565 233 0 311 144 1 983 174 1 017 204 0 553 234 0 305 145 1 936 175 0 996 205 0 542 235 0 300 146 1 890 176 0 975 206 0 531 236 0 295 147 1 846 177 0 956 207 0 521 237 0...

Page 35: ...6 34 24 42 22 65 64 48 75 44 81 41 48 38 59 36 05 33 77 31 24 28 93 26 80 24 83 63 53 64 49 31 45 65 42 48 39 68 37 17 34 34 31 74 29 36 27 15 62 59 14 54 36 50 32 46 82 43 73 40 97 37 83 34 96 32 32...

Page 36: ...2 13 20 51 18 97 17 73 16 55 15 42 14 34 61 30 33 28 17 26 14 24 23 22 42 20 71 19 37 18 10 16 88 15 72 60 33 47 31 05 28 78 26 64 24 62 22 70 21 24 19 84 18 50 17 23 59 37 00 34 31 31 77 29 39 27 13...

Page 37: ...863 43 787 81 715 55 646 36 30 1906 00 1731 91 1568 38 1414 20 1268 36 1130 00 1034 60 943 64 856 73 773 51 29 2300 00 2089 81 1892 37 1706 22 1530 13 1363 08 1244 55 1131 54 1023 56 920 17 28 2810 0...

Page 38: ...13 68 48 63 03 57 78 52 70 49 02 45 46 42 00 38 65 44 89 00 82 54 76 32 70 33 64 54 58 96 54 75 50 69 46 74 42 92 43 101 00 93 48 86 25 79 28 72 55 66 06 61 28 56 65 52 17 47 82 42 115 00 106 23 97 79...

Page 39: ...1 3 73 3 55 3 37 3 20 3 07 2 94 2 82 2 70 2 58 68 4 40 4 19 3 99 3 79 3 60 3 41 3 27 3 13 2 99 2 86 2 73 67 4 71 4 49 4 27 4 06 3 85 3 65 3 49 3 34 3 19 3 05 2 90 66 5 08 4 83 4 59 4 36 4 13 3 91 3 74...

Page 40: ...48 50 135 08 122 00 114 10 106 40 98 87 91 52 84 34 31 227 00 209 28 192 04 175 27 158 93 143 00 133 62 124 46 115 52 106 79 98 25 30 268 00 247 75 228 05 208 88 190 20 172 00 160 04 148 37 136 97 125...

Page 41: ...d Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 Email gree gree com cn Http www gree com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add Unit 2612 26 F Miramar Towe...

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