SiENBE04-507A
Table of Contents iii
Part 5 System Configuration.......................................................77
1. System Configuration............................................................................78
2. Instruction..............................................................................................79
2.1 Safety precautions..................................................................................79
2.2 Names of parts .......................................................................................81
2.3 Preparation before Operation.................................................................84
2.4 AUTO · DRY · COOL · HEAT · FAN Operation ......................................87
2.5 Adjusting the Air Flow Direction .............................................................89
2.6 POWERFUL Operation ..........................................................................91
2.7 OUTDOOR UNIT SILENT Operation .....................................................92
2.8 ECONO Operation .................................................................................93
2.9 INTELLIGENT EYE Operation ...............................................................94
2.10 TIMER Operation ...................................................................................96
2.11 Care and Cleaning .................................................................................98
2.12 Troubleshooting....................................................................................101
Part 6 Service Diagnosis...........................................................105
1. Caution for Diagnosis..........................................................................106
2. Problem Symptoms and Measures .....................................................107
3. Service Check Function ......................................................................108
4. Troubleshooting ..................................................................................111
4.1 Error Codes and Description ................................................................111
4.2 Indoor Unit PCB Abnormality ...............................................................112
4.3 Freeze-up Protection Control or High Pressure Control.......................113
4.4 Fan Motor (DC Motor) or Related Abnormality.....................................115
4.5 Thermistor or Related Abnormality (Indoor Unit)..................................117
4.6 Signal Transmission Error (between Indoor and Outdoor Unit) ...........118
4.7 Unspecified Voltage (between Indoor and Outdoor Units) ...................119
4.8 Outdoor Unit PCB Abnormality.............................................................120
4.9 OL Activation (Compressor Overload) .................................................121
4.10 Compressor Lock .................................................................................122
4.11 DC Fan Lock ........................................................................................123
4.12 Input Over Current Detection ...............................................................124
4.13 Four Way Valve Abnormality................................................................125
4.14 Discharge Pipe Temperature Control...................................................127
4.15 High Pressure Control in Cooling .........................................................128
4.16 Compressor System Sensor Abnormality ............................................130
4.17 Position Sensor Abnormality ................................................................131
4.18 DC Voltage / Current Sensor Abnormality............................................132
4.19 Thermistor or Related Abnormality (Outdoor Unit)...............................133
4.20 Electrical Box Temperature Rise..........................................................135
4.21 Radiation Fin Temperature Rise ..........................................................137
4.22 Output Over Current Detection.............................................................139
4.23 Insufficient Gas.....................................................................................141
4.24 Over-voltage Detection.........................................................................143
5. Check ..................................................................................................144
5.1 How to Check .......................................................................................144
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