Daikin ATX20JV1B Specifications download pdf (Page 106)

Check SiBE041010

96 Service Diagnosis

5.1.10 Rotation Pulse Check on the Outdoor Unit PCB

Check No.15 <Outdoor fan motor>

1. Check that the voltage between the pins 10-11 is 15 VDC.

2. Check if the Hall IC generates the rotation pulse (0 ~ 15 VDC) 4 times between the pins 10-

12, 10-13, when the fan motor is manually rotated once.

S70

Phase U

15 VDC

Phase V

Phase W

HU (Hall IC)

HV (Hall IC)

Free pin

(R11907)

1 2 ... 101 102 103 104 105 106 107 108 109 110 111 ... 155 156

Inverter Pair 1
Wall Mounted Type 2
J-Series 2
Table of Contents ii 3
Table of Contents iv 5
1. Introduction 6
1.2 Used Icons 10
List of Functions 11
1. Functions 12
Specifications 13
1. Specifications 14
50 Hz, 230 V 15
Printed Circuit Board 18
Connector Wiring Diagram 18
1.1 Indoor Unit 19
PCB(2): Display PCB 20
PCB Detail PCB(1): Filter PCB 22
PCB(2): Main PCB 22
Function and Control 23
1. Main Functions 24
1.2 Airflow Direction Control 26
(R11975) 27
1.4 Program Dry Operation 28
1.5 Automatic Operation 29
1.6 Thermostat Control 30
1.7 NIGHT SET Mode 31
1.8 ECONO Operation 32
(R11976) 33
2. Operation OFF 33
3. POWERFUL operation is OFF 33
1.10 Other Functions 34
2. Function of Thermistor 35
3. Control Specification 36
3.2 Frequency Control 37
3.3.1 Preheating Operation 39
3.3.4 3-minute Standby 40
3.5 Input Current Control 41
3.7 Heating Peak-cut Control 42
3.8 Outdoor Fan Control 43
3.10 Defrost Control 44
Function and Control 35 45
36 Function and Control 46
Function and Control 37 47
3.12 Malfunctions 48
3.13 Forced Operation Mode 49
Operation Manual 50
1. System Configuration 51
2. Operation Manual 52
 To start operation 53
 To stop operation 53
Operation Manual SiBE041010 54
44 Operation Manual 54
To adjust the horizontal 55
(louvers) 55
〈HEAT〉 The flap will go down 56
POWERFUL Operation 57
ECONO Operation 58
TIMER Operation 59
 To use ON TIMER operation 60
Service Diagnosis 61
1. Caution for Diagnosis 62
TIMER CANCEL button 64
< ARC433 Series > 64
Service Diagnosis 55 65
56 Service Diagnosis 66
4. Troubleshooting 67
Troubleshooting SiBE041010 68
58 Service Diagnosis 68
Model Type Connector 68
SiBE041010 Troubleshooting 69
Service Diagnosis 59 69
Troubleshooting 70
Check No.06 70
Refer to P.92 70
Service Diagnosis 61 71
(R12038) 72
Service Diagnosis 63 73
64 Service Diagnosis 74
Service Diagnosis 65 75
66 Service Diagnosis 76
Service Diagnosis 67 77
4.10 Compressor Lock 78
4.11 DC Fan Lock 79
70 Service Diagnosis 80
Service Diagnosis 71 81
72 Service Diagnosis 82
(R11950) 83
74 Service Diagnosis 84
Service Diagnosis 75 85
76 Service Diagnosis 86
Check No.29 87
Refer to P.99 87
78 Service Diagnosis 88
Service Diagnosis 79 89
80 Service Diagnosis 90
Service Diagnosis 81 91
Refer to P.93 92
Check No.09 92
Refer to P.94 92
Service Diagnosis 83 93
84 Service Diagnosis 94
Service Diagnosis 85 95
86 Service Diagnosis 96
4.23 Refrigerant Shortage 97
Check No.04 98
Refer to P.90 98
Service Diagnosis 89 99
5. Check 100
Check No.05 101
Resistance range 102
Check No.07 103
Check No.08 103
Check SiBE041010 104
94 Service Diagnosis 104
5.1.9 Power Module Check 105
96 Service Diagnosis 106
SiBE041010 Check 107
Service Diagnosis 97 107
98 Service Diagnosis 108
(R12025) 109
Removal Procedure 110
1. Indoor Unit 111
(R11959) 114
Fan guard 114
1.3 Removal of Front Panel 115
1.4 Removal of Front Grille 116
Left Center Right 117
(R11268) 118
Earth wire 119
Bottom frame 120
Vertical blade ASSY 120
Shield plate (2) 121
Indoor Unit SiBE041010 122
112 Removal Procedure 122
Step Procedure Points 122
Wooden base 125
Drain hose 125
Extension drain hose 125
Connecting wires 125
Gas piping 126
Liquid piping 126
Auxiliary piping 126
Piping fixture 126
(R8041) (R11269) 127
1.8 Removal of Fan Rotor 128
Fan rotor 129
Fan motor 129
120 Removal Procedure 130
1.9 Exchange of Drain Hose 131
2. Outdoor Unit 132
Top panel 133
Front panel 133
Discharge grille 133
Projection (rear side) 133
Lead wire Outdoor fan 134
Guard net 135
Right side panel 136
Discharge pipe thermistor 137
Electrical box 138
Terminal board 139
Control PCB 139
BrownWhite 139
(R11962) 140
(R12021) 141
2.4 Removal of Sound Blanket 142
SiBE041010 Outdoor Unit 143
Removal Procedure 133 143
Procedure Points 143
2.5 Removal of Four Way Valve 144
Removal Procedure 135 145
Outdoor Unit SiBE041010 146
136 Removal Procedure 146
2.6 Removal of Compressor 147
SiBE041010 148
138 Others 148
1. Others 149
1.2 Field Settings 150
SiBE041010 Others 151
Others 141 151
Appendix 152
1. Piping Diagrams 153
1.2 Outdoor Unit 154
2. Wiring Diagrams 155
Cautions on product corrosion 156

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Daikin ATX20JV1B Specifications Page 106

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