Daikin B-Series Service Manual page 4

Si04-306E
Part 5 Operation Manual ............................................................. 75
1. System Configuration............................................................................76
2. Instruction..............................................................................................77
Part 6 Service Diagnosis........................................................... 103
1. Caution for Diagnosis..........................................................................104
2. Problem Symptoms and Measures .....................................................105
3. Service Check Function ......................................................................106
4. Troubleshooting ..................................................................................109
5. Check ..................................................................................................142
Table of Contents
3.13 Malfunctions ...........................................................................................71
3.14 Forced Operation Mode .........................................................................73
3.15 Additional Function.................................................................................73
3.16 Facility Setting Switch (cooling at low outdoor temperature)..................74
2.1 Safety Precautions .................................................................................77
2.2 Names of Parts.......................................................................................79
2.3 Preparation Before Operation ................................................................82
2.4 AUTO · DRY · COOL · HEAT · FAN Operation ......................................85
2.5 Adjusting the Airflow Direction................................................................87
2.6 POWERFUL Operation ..........................................................................89
2.7 OUTDOOR UNIT QUIET Operation.......................................................90
2.8 HOME LEAVE Operation .......................................................................91
2.9 INTELLIGENT EYE Operation ...............................................................93
2.10 TIMER Operation ...................................................................................95
2.11 Care and Cleaning .................................................................................97
2.12 Troubleshooting....................................................................................100
4.1 Error Codes and Description ................................................................109
4.2 Indoor Unit PCB Abnormality ...............................................................110
4.3 Freeze-up Protection Control or High Pressure Control.......................111
4.4 Fan Motor (DC Motor) or Related Abnormality.....................................113
4.5 Thermistor or Related Abnormality (Indoor Unit)..................................115
4.6 Signal Transmission Error (between Indoor and Outdoor Units)..........116
4.7 OL Activation (Compressor Overload) .................................................118
4.8 Compressor Lock .................................................................................119
4.9 DC Fan Lock ........................................................................................120
4.10 Input Over Current Detection ...............................................................121
4.11 Four Way Valve Abnormality................................................................123
4.12 Discharge Pipe Temperature Control...................................................125
4.13 High Pressure Control in Cooling .........................................................126
4.14 Position Sensor Abnormality ................................................................128
4.15 CT or Related Abnormality ...................................................................129
4.16 Thermistor or Related Abnormality (Outdoor Unit)...............................131
4.17 Electrical Box Temperature Rise..........................................................133
4.18 Radiation Fin Temperature Rise ..........................................................135
4.19 Output Over Current Detection.............................................................137
4.20 Insufficient Gas.....................................................................................139
4.21 Low-voltage Detection..........................................................................141
5.1 How to Check .......................................................................................142
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