Daikin FVKS25BVMB Service Manual page 4

SiBE06-514A
Part 5 System Configuration....................................................... 49
1. System Configuration............................................................................50
2. Instruction..............................................................................................51
Part 6 Service Diagnosis............................................................. 77
1. Caution for Diagnosis............................................................................78
2. Problem Symptoms and Measures .......................................................79
3. Service Check Function ........................................................................80
4. Troubleshooting ....................................................................................83
5. Check ..................................................................................................117
Table of Contents
2.1 Safety precautions..................................................................................51
2.2 Names of parts .......................................................................................53
2.3 Preparation before Operation.................................................................56
2.4 AUTO · DRY · COOL · HEAT · FAN Operation ......................................59
2.5 Adjusting the Air Flow Direction .............................................................61
2.6 POWERFUL Operation ..........................................................................63
2.7 OUTDOOR UNIT SILENT Operation .....................................................64
2.8 HOME LEAVE Operation .......................................................................65
2.9 TIMER Operation ...................................................................................67
2.10 Care and Cleaning .................................................................................69
2.11 Troubleshooting......................................................................................72
4.1 Error Codes and Description ..................................................................83
4.2 Indoor Unit PCB Abnormality .................................................................84
4.3 Freeze-up Protection Control or High Pressure Control.........................85
4.4 Fan Motor (DC Motor) or Related Abnormality.......................................87
4.5 Thermistor or Related Abnormality (Indoor Unit)....................................89
4.6 Shutter Drive Motor / Shutter Limit Switch Abnormality .........................90
4.7 Signal Transmission Error (between Indoor and Outdoor Unit) .............91
4.8 Unspecified Voltage (between Indoor and Outdoor Units) .....................92
4.9 Outdoor Unit PCB Abnormality...............................................................93
4.10 OL Activation (Compressor Overload) ...................................................94
4.11 Compressor Lock ...................................................................................95
4.12 DC Fan Lock ..........................................................................................96
4.13 Input Over Current Detection .................................................................97
4.14 Four Way Valve Abnormality..................................................................98
4.15 Discharge Pipe Temperature Control...................................................100
4.16 High Pressure Control in Cooling .........................................................101
4.17 Compressor System Sensor Abnormality ............................................103
4.18 Position Sensor Abnormality ................................................................104
4.19 DC Voltage / Current Sensor Abnormality............................................105
4.20 Thermistor or Related Abnormality (Outdoor Unit)...............................106
4.21 Electrical Box Temperature Rise..........................................................108
4.22 Radiation Fin Temperature Rise ..........................................................110
4.23 Output Over Current Detection.............................................................112
4.24 Insufficient Gas.....................................................................................114
4.25 Over-voltage Detection.........................................................................116
5.1 How to Check .......................................................................................117
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