Daikin FVXS25FV1B Service Manual page 4

SiBE06-708
Part 5 System Configuration....................................................... 51
1. System Configuration............................................................................52
2. Instruction..............................................................................................53
Part 6 Service Diagnosis............................................................. 81
1. Caution for Diagnosis............................................................................82
2. Problem Symptoms and Measures .......................................................83
3. Service Check Function ........................................................................84
4. Troubleshooting ....................................................................................87
5. Check ..................................................................................................136
Table of Contents
2.1 Safety Precautions .................................................................................53
2.2 Names of Parts.......................................................................................55
2.3 Preparation Before Operation ................................................................58
2.4 AUTO • DRY • COOL • HEAT • FAN Operation .....................................61
2.5 Adjusting the Air Flow Direction .............................................................63
2.6 POWERFUL Operation ..........................................................................65
2.7 OUTDOOR UNIT QUIET Operation.......................................................66
2.8 ECONO Operation .................................................................................67
2.9 TIMER Operation ...................................................................................68
2.10 WEEKLY TIMER Operation ...................................................................70
2.11 Care and Cleaning .................................................................................75
2.12 Troubleshooting......................................................................................78
4.1 Error Codes and Description ..................................................................87
4.2 Indoor Unit PCB Abnormality .................................................................88
4.3 Freeze-up Protection Control or High Pressure Control.........................89
4.4 Fan Motor (DC Motor) or Related Abnormality.......................................91
4.5 Thermistor or Related Abnormality (Indoor Unit)....................................93
4.6 Signal Transmission Error (between Indoor and Outdoor Units)............94
4.7 Unspecified Voltage (between Indoor and Outdoor Units) .....................96
4.8 Outdoor Unit PCB Abnormality...............................................................97
4.9 OL Activation (Compressor Overload) ...................................................98
4.10 Compressor Lock ...................................................................................99
4.11 DC Fan Lock ........................................................................................100
4.12 Input Over Current Detection ...............................................................101
4.13 Four Way Valve Abnormality................................................................104
4.14 Discharge Pipe Temperature Control...................................................108
4.15 High Pressure Control in Cooling .........................................................110
4.16 Compressor System Sensor Abnormality ............................................112
4.17 Position Sensor Abnormality ................................................................115
4.18 DC Voltage / Current Sensor Abnormality............................................116
4.19 CT or Related Abnormality ...................................................................117
4.20 Thermistor or Related Abnormality (Outdoor Unit)...............................119
4.21 Electrical Box Temperature Rise..........................................................121
4.22 Radiation Fin Temperature Rise ..........................................................123
4.23 Output Over Current Detection.............................................................127
4.24 Insufficient Gas.....................................................................................129
4.25 Low-voltage Detection or Over-voltage Detection................................133
4.26 Signal Transmission Error on Outdoor Unit PCB .................................135
5.1 How to Check .......................................................................................136
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