Daikin FTXS20G2V1B Service Manual Page 247
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SiBE12-816_D Troubleshooting for Outdoor Unit
Service Diagnosis 236
Troubleshooting
Check No.01
Refer to P.261
Check No.12
Refer to P.263
(R14407)
Caution
YES
NO
NO
YES
YES
YES
YES
NO
NO
NO
Check No. 01
Check the outdoor heat
exchanger thermistor.
Check No. 01
Check the room temperature
thermistor.
Check No. 12
Check the electronic expansion
valve.
Wrong wiring or
piping?
Check the wiring and piping.
Change the refrigerant to remove
moisture from the piping (after
drawing a vacuum).
Activate the wiring error check
mode.
Replace the electronic
expansion valve or coil.
Replace the outdoor heat
exchanger thermistor.
Replace the room temperature
thermistor.
Replace the room temperature
thermistor or indoor heat
exchanger thermistor.
Do the vacuum drying.
Replace the indoor unit PCB
and then start the wiring error
check function.
Does it
conform to the thermistor
characteristic chart?
Does it
conform to the thermistor
characteristic chart?
Functioning?
Error again?
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
- Service 1
- Inverter Multi for 2 Rooms 2
- G-Series 2
- Table of Contents ii 3
- Table of Contents iv 5
- 1. Introduction 7
- 1.2 Used Icons 11
- List of Functions 12
- 1. Functions 13
- Functions SiBE12-816_D 14
- 3 List of Functions 14
- : Holding Functions 14
- — : No Functions 14
- SiBE12-816_D Functions 15
- List of Functions 4 15
- 1.2 Heat Pump 16
- List of Functions 6 17
- 7 List of Functions 18
- List of Functions 8 19
- 9 List of Functions 20
- Specifications 21
- 1. Specifications 22
- 50 Hz, 220 - 230 - 240 V 23
- Floor Standing Type 25
- Duct Connected Type 27
- 50 Hz, 230 V 27
- Ceiling Mounted Cassette Type 28
- 50 Hz, 220 - 240 V 29
- 1.3 Heat Pump - Indoor Unit 31
- 1.4 Heat Pump - Outdoor Unit 40
- Printed Circuit Board 42
- Connector Wiring Diagram 42
- 1. Indoor Unit 43
- PCB (2): Signal Receiver PCB 44
- SiBE12-816_D Indoor Unit 45
- Indoor Unit SiBE12-816_D 46
- 3P210728-1 50
- 3EB86013-1 50
- 1.2 Floor Standing Type 51
- PCB (2): Control PCB 52
- 1.3.1 FLK(X)S25/35/50BAVMB 53
- PCB (2): Power Supply PCB 54
- 1.4 Duct Connected Type 55
- PCB (2): Display PCB 56
- 1.5.1 FFQ25/35/50/60B8V1B 57
- PCB Detail [A1P]: Control PCB 58
- 2P113638-2 59
- 2.2.1 BRC7E530W/531W 60
- 3. Outdoor Unit 61
- PCB Detail 40 class 62
- 50 class 62
- Function and Control 63
- Target temperature 64
- Set temperature 64
- Room temperature 64
- Room thermistor temperature 64
- (R12321) 64
- 55 Function and Control 66
- 1.4 Airflow Direction Control 67
- (R13554) 68
- (R11581) 70
- 1.7 Automatic Operation 71
- (R12319) 72
- (R12391) 72
- (R11894) 73
- (R12320) 73
- (R12392) 73
- 1.9 NIGHT SET Mode 74
- 1.10 ECONO Operation 75
- 1.11 HOME LEAVE Operation 76
- (R12757) 77
- (R12276) 77
- (R12183) 78
- Function and Control 68 79
- Function and Control 70 81
- 1.15 Other Functions 82
- 1.15.7 Auto-restart Function 83
- 1.15.8 WEEKLY TIMER Operation 83
- 2.1 Drain Pump Control 84
- ” is Displayed on the 85
- Remote Controller: 85
- (R12938) 86
- (R12939) 87
- 2.3 Freeze Prevention Control 88
- (R12941) 89
- 3. Function of Thermistor 90
- Function and Control 80 91
- 4. Control Specification 92
- 4.2 Frequency Control 94
- 85 Function and Control 96
- 4.3.1 Preheating Operation 97
- 4.3.4 3-Minute Standby 97
- (R13528) 98
- (R14062) 98
- 4.5 Input Current Control 99
- 4.7 Heating Peak-cut Control 100
- 4.8 Outdoor Fan Control 100
- (R12739) 101
- 91 Function and Control 102
- (R14236) 103
- 93 Function and Control 104
- Function and Control 94 105
- 4.12 Malfunctions 106
- Function and Control 96 107
- 4.12.4 Anti-icing Control 108
- Operation Manual 109
- 1. System Configuration 110
- Name of Parts 111
- Outdoor Unit 112
- Open the front cover 114
- AUTO · DRY · COOL · HEAT · 115
- FAN Operation 115
- Press 116
- Press 117
- Press 118
- COMFORT AIRFLOW Operation 119
- INTELLIGENT EYE Operation 120
- POWERFUL Operation 122
- OUTDOOR UNIT QUIET 123
- Operation 123
- ECONO Operation 124
- OFF TIMER Operation 125
- ON TIMER Operation 126
- WEEKLY TIMER Operation 127
- Setting mode 128
- 25˚C 27˚C 130
- 3P255639-1 132
- SiBE12-816_D RA Indoor Unit 133
- Operation Manual 122 133
- Names of parts 134
- Indoor Unit 135
- Remote Controller 136
- Indoor Unit 138
- Remote Controller 139
- To start operation 140
- To stop operation 140
- Operation Manual 130 141
- To adjust the horizontal 142
- To adjust the vertical 142
- To start 3-D Airflow 143
- To cancel 3-D Airflow 143
- COMFORT AIRFLOW operation 143
- To adjust the 144
- To adjust the vertical 144
- Airflow selection 145
- COMFORT AIRFLOW and 146
- Operation Manual 136 147
- OUTDOOR UNIT QUIET Operation 150
- TIMER Operation 152
- To use ON TIMER 153
- Setting Displays 155
- 6:00 8:30 17:30 22:00 157
- ON OFF ON OFF 157
- Note for Multi System 159
- RA Indoor Unit SiBE12-816_D 160
- 149 Operation Manual 160
- < ARC433B67, B68 > 162
- To start operation 164
- To stop operation 164
- Operation Manual 154 165
- To adjust the horizontal 168
- (louvers) 169
- HOME LEAVE Operation 172
- Useful in these cases 173
- Notes on “INTELLIGENT EYE” 175
- CAUTION 175
- Combined 177
- Outdoor 178
- 3.1 BRC1D528 179
- 169 Operation Manual 180
- Contents 181
- 1. Features and functions 181
- 171 Operation Manual 182
- Operation Manual 172 183
- 3. Setting up the controller 184
- 5. Operation 185
- Manual operation 185
- 175 Operation Manual 186
- Schedule timer operation 187
- 177 Operation Manual 188
- Operation Manual 178 189
- 179 Operation Manual 190
- Programming 191
- 181 Operation Manual 192
- 4PW23717-1 193
- 3.2 BRC7E530W/531W 194
- NAMES AND FUNCTIONS 195
- OF THE OPERATING 195
- SECTION (Fig. 1, 2) 195
- HANDLING FOR 196
- WIRELESS REMOTE 196
- CONTROLLER 196
- 4. OPERATION RANGE 197
- 5. OPERATION PROCEDURE 198
- Operation Manual 188 199
- 189 Operation Manual 200
- Outdoor unit 201
- Indoor unit 201
- 191 Operation Manual 202
- PRECAUTIONS FOR GROUP 203
- CONTROL SYSTEM OR TWO 203
- REMOTE CONTROLLER CONTROL 203
- 193 Operation Manual 204
- 3P107422-1S 205
- Service Diagnosis 206
- SiBE12-816_D 207
- Service Diagnosis 196 207
- 1. Troubleshooting with LED 208
- Operation lamp (green) 208
- Operation lamp (red) 209
- (R14422) 209
- (R14220) 211
- Timer cancel button 211
- (R11669) 212
- (R11821) 212
- (R11670) 212
- (R11671) 212
- (R11672) 213
- (R11673) 213
- (R13820) 214
- Service Diagnosis 204 215
- 205 Service Diagnosis 216
- (R14221) 217
- 207 Service Diagnosis 218
- Service Diagnosis 208 219
- 3.2.1 Relations between Modes 220
- 3.2.2 BRC1D528 220
- [Inspection / Test] button 221
- (R14392) 221
- (R14424) 221
- (R14394) 222
- (R14395) 222
- (R14396) 223
- (R14397) 223
- (R14398) 223
- FDK(X)S Series 224
- 4.3 Outdoor Unit 225
- (R11930) 226
- Service Diagnosis 216 227
- Troubleshooting 228
- Check No.01 228
- Refer to P.261 228
- Service Diagnosis 218 229
- 219 Service Diagnosis 230
- Check No.02 231
- Refer to P.262 231
- 221 Service Diagnosis 232
- Service Diagnosis 222 233
- 223 Service Diagnosis 234
- Service Diagnosis 224 235
- Note: If " 236
- Service Diagnosis 226 237
- 6.4 Drain System Abnormality 238
- Service Diagnosis 228 239
- CJ" displayed on 241
- 231 Service Diagnosis 242
- Service Diagnosis 232 243
- 6.9 Field Setting Abnormality 244
- 235 Service Diagnosis 246
- Check No.12 247
- Refer to P.263 247
- 237 Service Diagnosis 248
- 7.3 Compressor Lock 249
- 7.4 DC Fan Lock 250
- Service Diagnosis 240 251
- (R14412) 252
- Service Diagnosis 242 253
- 243 Service Diagnosis 254
- Service Diagnosis 244 255
- 245 Service Diagnosis 256
- Service Diagnosis 246 257
- 247 Service Diagnosis 258
- Service Diagnosis 248 259
- C ˚C and stops when it 260
- 251 Service Diagnosis 262
- 40 class 95 262
- 50 class 92.5 262
- Service Diagnosis 252 263
- 253 Service Diagnosis 264
- 7.15 Refrigerant Shortage 265
- Service Diagnosis 256 267
- 257 Service Diagnosis 268
- Check No.11 270
- Service Diagnosis 260 271
- 8. Check 272
- 8.3 Hall IC Check 273
- (R14357) 274
- (R14358) 274
- Check No.13 275
- Check No.14 276
- (R13940) 277
- Compressor 277
- SiBE12-816_D Check 279
- Service Diagnosis 268 279
- 8.11 Discharge Pressure Check 280
- 8.13 Main Circuit Short Check 281
- 8.14 Power Module Check 282
- Removal Procedure 283
- 1. Outdoor Unit 284
- SiBE12-816_D Outdoor Unit 285
- Removal Procedure 274 285
- Procedure Points 285
- 1.2 Removal of Electrical Box 286
- [S92] [S91] 287
- [S20] [S21] [S80] 288
- Discharge pipe thermistor 288
- (R12771) 289
- (R12536) 289
- (R12537) 290
- 1.3 Removal of PCB 291
- Outdoor Unit SiBE12-816_D 292
- 281 Removal Procedure 292
- Terminal board 294
- [S90] [S80] 295
- (R12566) 295
- 1.4 Removal of Sound Blankets 296
- Sound blanket (outer) 297
- Sound blanket (top) 297
- Sound blanket (inner) 297
- Sound blanket (bottom) 297
- (R12236) 298
- Fan motor 299
- Lead wire Outdoor fan 300
- 1.6 Removal of Thermistors 301
- Terminal cover 303
- Removal Procedure 294 305
- 1.8 Removal of Compressor 306
- Trial Operation and 308
- Field Settings 308
- 1. Pump Down Operation 309
- (R14226) 310
- (R11676) 311
- Trial Operation SiBE12-816_D 312
- 3.2.1 Checkpoints 313
- 3.2.2 Trial operation 313
- 4. Field Settings 314
- SiBE12-816_D Field Settings 315
- Field Settings SiBE12-816_D 316
- (R14426) 319
- (R11738) 321
- (R11739) 321
- 1 2 3 M S 322
- Field setting mode 323
- Multiple setting 323
- (R14401) 323
- Wireless remote controller 324
- Unit No. label 324
- (R12961) 324
- Decoration 324
- Transistor and a Diode Bridge 326
- Appendix 327
- 1. Piping Diagrams 328
- 1.1.2 Floor Standing Type 329
- Piping Diagrams SiBE12-816_D 330
- 319 Appendix 330
- C: 4D039335A 331
- 1.2 Outdoor Unit 332
- 1.2.2 Heat Pump 333
- 2. Wiring Diagrams 334
- 2.1.2 Floor Standing Type 335
- 2.1.4 Duct Connected Type 336
- FFQ25/35/50B8V1B 337
- 3D038357B 337
- 2.2 Outdoor Unit 338
- 2.2.2 Heat Pump 339
- Revision History 340
- JMI-0107 341
- JQA-1452 341
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