Daikin FTXG25EV1BS Service Manual Page 230
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Troubleshooting SiEBE12-625
220 Service Diagnosis
Troubleshooting
Check No.05
Refer to P.241
Check No.06
Refer to P.242
Check No.11
Refer to P.245
Correct.
Reconnect.
Replace the four-way valve
coil.
Replace the outdoor unit
PC board.
Reconnect in position.
Replace a defective
thermistor.
Refer to the refrigerant line
check procedure.
Replace the four-way valve
(defective or dust-clogged).
(R4717)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Four-way valve coil
disconnected (loose)?
YES
YES
NO
Functioning
NO
Check No. 11
Check the refrigerant line.
Malfunctioning
Water mixed
Shut-off valve defective
Harness out of connector?
NO
YES
Disconnect
the harness from the
connector. Resistance between
harnessesabout
1500 ohms?
Malfunctioning
Functioning
Check No. 05
Check the four-way valve
switching output.
YES
NO
Any thermistor disconnected?
Malfunctioning
Functioning
Check No. 06
Check the thermistors.
Check the continuity of the
four-way valve coil and harness.
- Ser vice 1
- SUPER MULTI NX 2
- D-Series / E-Series 2
- Table of Contents iii 4
- Table of Contents v 6
- 1. Introduction 7
- 1.1.3 Inspection after Repair 9
- 1.1.4 Using Icons 10
- 1.1.5 Using Icons List 10
- List of Functions 11
- 1. List of Functions 12
- SiEBE12-625 List of Functions 13
- List of Functions 3 13
- List of Functions SiEBE12-625 14
- 4 List of Functions 14
- List of Functions 5 15
- 6 List of Functions 16
- 1.2 Heat Pump Models 17
- 8 List of Functions 18
- List of Functions 9 19
- 10 List of Functions 20
- List of Functions 11 21
- 12 List of Functions 22
- Specifications 23
- 1. Specifications 24
- SiEBE12-625 Specifications 25
- Specifications 15 25
- Specifications SiEBE12-625 26
- 16 Specifications 26
- Specifications 17 27
- 18 Specifications 28
- Duct Connected Type 28
- Specifications 19 29
- 20 Specifications 30
- Specifications 21 31
- Floor Standing Type 31
- 22 Specifications 32
- 1.3 Indoor Units - Heat Pump 33
- 24 Specifications 34
- Specifications 25 35
- 26 Specifications 36
- Specifications 27 37
- 28 Specifications 38
- Specifications 29 39
- 30 Specifications 40
- Specifications 31 41
- 32 Specifications 42
- Floor Standing Type 50Hz 230V 42
- 1.4 Outdoor Units - Heat Pump 43
- 34 Specifications 44
- Printed Circuit Board 45
- Connector Wiring Diagram 45
- 1.1 Wall Mounted Type 46
- PCB(1): Control PCB 47
- 1.1.2 FTK(X)S20~35C 48
- PCB(2): Signal Receiver PCB 50
- Connectors 51
- 1.1.4 FTXG25~35E, CTXG50E 53
- 1.2 Duct Connected Type 55
- PCB (2): Display PCB 56
- PCB (2): Power Supply PCB 58
- PCB (3): Display PCB 58
- PCB (4): Signal Receiver PCB 58
- 1.4 Floor Standing Type 59
- (25, 35 class) 60
- PCB (2): Control PCB 61
- 1.5 Outdoor Units 62
- PCB Detail 63
- Inverter PCB (MID2) 64
- Function and Control 65
- 1. Main Functions 66
- Forced Cooling / 67
- Heating Operation 67
- Auto-Swing 68
- FTK(X)S20-50D 69
- FTXG25-35E, CTXG50E 70
- Control Flow 70
- Timing Chart 70
- 1.5 Programme Dry Function 72
- 1.6 Automatic Operation 73
- 1.7 Thermostat Control 74
- 1.8 Night Set Mode 75
- 1.9 ECONO Mode 76
- SiEBE12-625 Main Functions 77
- Function and Control 67 77
- Main Functions SiEBE12-625 78
- 68 Function and Control 78
- Scene <cooling> 79
- Scene <Heating> 79
- Details of the 80
- ON/OFF button 81
- 72 Function and Control 82
- 2.1 Main Structural Parts 83
- 2.2 Function of Thermistor 84
- D Indoor Heat 85
- Exchanger 85
- E Liquid Pipe 85
- 2.2.2 Cooling Only Model 86
- 3. Control Specification 88
- 3.2 Frequency Control 89
- Frequency 91
- 3.4 Discharge Pipe Control 92
- 3.5 Input Current Control 92
- 3.7 Heating Peak-cut Control 93
- 3.8 Fan Control 94
- 3.10 Defrost Control 95
- Outline Heat Pump Only 96
- Detail Separate into Zones 96
- Function and Control 87 97
- 3.12.10 Oil Recovery Function 99
- 3.13 Malfunctions 100
- 3.14 Forced Operation Mode 101
- 3.15 Wiring-Error Check 102
- Function and Control 93 103
- When Inverter 104
- HEAT mode (H) 105
- 5<C>3<H>1 105
- COOL mode (C) 105
- 96 Function and Control 106
- System Configuration 107
- 1. System Configuration 108
- Instruction 109
- 2.2 Safety Precautions 110
- Installation site 111
- Electrical work 111
- System relocation 111
- Names of Parts 112
- Outdoor Unit 113
- Remote control 114
- FTK(X)S 20/25/35 C 115
- Indoor Unit 115
- Oudoor Unit 116
- CDK(X)S 50/60/71 E 118
- Main unit control panel 118
- FLK(X)S 71 B 121
- FTXG 25/35 E, CTXG 50 E 124
- How to open the front panel 130
- FVK(X)S 25/35/50 B 133
- Preparation before Operation 136
- Receiver 137
- To remove, pull it upwards 137
- To set the clock 138
- Turn the breaker ON 138
- SiEBE12-625 Instruction 139
- List of Functions 129 139
- Instruction SiEBE12-625 140
- 130 List of Functions 140
- FTK(X)E 20/25/35/50 D 141
- In DRY mode or COOL mode 142
- In HEAT mode 142
- In FAN mode 142
- In HEAT or FAN mode 144
- FLK(X) 25/35/50/60 A 145
- List of Functions 137 147
- In COOL or DRY mode 148
- In COMFORT AIRFLOW mode 148
- FTXS 25/35/50/60 B 149
- 140 List of Functions 150
- COOL/DRY 151
- Air flow selection 152
- POWERFUL Operation 153
- OUTDOOR UNIT SILENT Operation 154
- ECONO Operation 155
- HOME LEAVE Operation 156
- Useful in these cases 157
- INTELLIGENT EYE Operation 158
- Notes on “INTELLIGENT EYE” 159
- 150 List of Functions 160
- 152 List of Functions 162
- • 20 min. after, start 164
- TIMER Operation 166
- (Example) 167
- 158 List of Functions 168
- Priority Room Setting 169
- Care and Cleaning 170
- Fit the key 170
- List of Functions 161 171
- Before a long idle period 172
- Air purifying filter 174
- Air filter 174
- 166 List of Functions 176
- List of Functions 167 177
- List of Functions 169 179
- 170 List of Functions 180
- 172 List of Functions 182
- List of Functions 173 183
- FDK(X)S 25/35 C 184
- Cleaning the air filter 185
- 176 List of Functions 186
- 178 List of Functions 188
- List of Functions 179 189
- Place front panel in grooves 192
- Troubleshooting 195
- Check again 196
- Case Check 196
- Disposal requirements 197
- Fault diagnosis 198
- Diagnosis marked 199
- 190 List of Functions 200
- Service Diagnosis 201
- 1. Caution for Diagnosis 202
- Service Diagnosis 193 203
- 3. Service Check Function 205
- → See 7.) 206
- → Refer to page 198.) 207
- 5. Troubleshooting 209
- 5.2 Outdoor Units 210
- Troubleshooting SiEBE12-625 212
- 202 Service Diagnosis 212
- 5.5.1 AC Motor 214
- 5.5.2 DC Motor 215
- SiEBE12-625 Troubleshooting 217
- Service Diagnosis 207 217
- 208 Service Diagnosis 218
- Service Diagnosis 209 219
- 210 Service Diagnosis 220
- Service Diagnosis 211 221
- 5 1 4 2 1 3 4 4 4 222
- 5 1 4 2 1 3 4 4 1 224
- 5.13 Compressor Lock 225
- 5.14 DC Fan Lock 226
- 5 1 1 2 4 3 1 4 4 227
- 5 1 4 2 1 3 1 4 1 229
- 5 1 4 2 4 3 1 4 1 234
- P4, J3, J6, J8, J9, H9 237
- 5 1 4 2 4 3 1 4 4 239
- 5 1 1 2 1 3 1 4 4 241
- 5 1 1 2 1 3 4 4 1 243
- 5.25 Insufficient Gas 245
- 5.26 Low-voltage Detection 247
- 5 1 1 2 1 3 1 4 1 248
- 6. Check 249
- Check No.05 251
- Resistance range 252
- Check No.07 253
- Check No.08 254
- Check No.09 254
- Check No.11 255
- 6.1.12 Power Transistor Check 256
- SiEBE12-625 Check 257
- Service Diagnosis 247 257
- 6.1.15 Hall IC Check 258
- Removal Procedure 259
- Outdoor air 260
- Piping connection slot 260
- Washer-fitted nut M8 263
- 1.3 Removal of Electrical Box 264
- Glass tube fuse (Soldered) 265
- Varister 265
- Relay connector 268
- Electrical box cover 268
- Thermistor presser spring 269
- Discharge pipe 269
- Electrical box 270
- Base bar 271
- 262 Removal Procedure 272
- Procedure Points 272
- Partition board 277
- Sound blanket 277
- 1.8 Removal of Shunt 279
- 1.10 Removal of Compressor 282
- Top panel 284
- Discharge outlet grill 284
- Front panel 284
- Piping cover 284
- 2.2 Removal of Electrical BOX 285
- Wiring fixture 287
- Drip-proof cover 288
- H1 (yellow) 290
- H2 (blue) 290
- ECN1 (green) 290
- Washer-fitted nut 292
- 2.5 Removal of Sound Blanket 293
- Thermistor 295
- Brazed part 297
- 2.9 Removal of Compressor 298
- SiEBE12-625 299
- Others 289 299
- 1. Others 300
- (R4417) (R4418) 301
- Others SiEBE12-625 302
- 292 Others 302
- Appendix 303
- 1. Piping Diagrams 304
- FTKS50D2V1W(L) FTXS50D2V1W(L) 305
- CTXG50EV1BW(S) 306
- 1.1.2 Duct Connected Type 307
- 1.1.4 Floor Standing Type 308
- FVKS50BAVMB FVXS50BAVMB 309
- 1.2 Outdoor Units 310
- 1.2.2 Heat Pump 311
- 2. Wiring Diagrams 312
- FTK(X)S50D2V1W(L) 313
- 2.1.2 Duct Connected Type 314
- 2.1.4 Floor Standing Type 315
- 2.2 Outdoor Units 316
- Index iii 319
- Drawings & Flow Charts 321
- SiEBE12-625 • 01/2007 323
- Prepared in Belgium by Lannoo 323
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