Si12-714
Table of Contents iii
3.7 Heating Peak-cut Control .......................................................................82
3.8 Fan Control.............................................................................................83
3.9 Liquid Compression Protection Function 2.............................................83
3.10 Defrost Control .......................................................................................84
3.11 Low Hz High Pressure Limit...................................................................85
3.12 Electronic Expansion Valve Control .......................................................85
3.13 Malfunctions ...........................................................................................89
3.14 Forced Operation Mode .........................................................................90
3.15 Wiring-Error Check.................................................................................91
3.16 Additional Function.................................................................................93
Part 5 Operation Manual ............................................................. 95
1. System Configuration............................................................................96
1.1 Operation Instructions ............................................................................96
2. Instruction..............................................................................................97
2.1 Contents and Reference Page...............................................................97
2.2 Safety Precautions .................................................................................98
2.3 Names of Parts.....................................................................................100
2.4 Preparation Before Operation ..............................................................118
2.5 AUTO · DRY · COOL · HEAT · FAN Operation....................................121
2.6 Adjusting the Air Flow Direction ...........................................................123
2.7 POWERFUL Operation ........................................................................133
2.8 OUTDOOR UNIT QUIET Operation.....................................................134
2.9 ECONO Operation ...............................................................................135
2.10 MOLD PROOF Operation ....................................................................136
2.11 HOME LEAVE Operation .....................................................................137
2.12 INTELLIGENT EYE Operation .............................................................139
2.13 TIMER Operation .................................................................................145
2.14 Note for Multi System...........................................................................147
2.15 Care and Cleaning ...............................................................................149
2.16 Troubleshooting....................................................................................166
Part 6 Service Diagnosis...........................................................169
1. Caution for Diagnosis.........................................................................170
1.1 Troubleshooting with Operation Lamp .................................................170
2. Problem Symptoms and Measures.....................................................172
3. Service Check Function ......................................................................173
4. Code Indication on the Remote Controller..........................................176
4.1 Error Codes and Description of Fault...................................................176
5. Troubleshooting ..................................................................................177
5.1 Indoor Units..........................................................................................177
5.2 Outdoor Units .......................................................................................178
5.3 Indoor Unit PCB Abnormality ...............................................................179
5.4 Freeze-up Protection Control or High Pressure Control.......................180
5.5 Fan Motor or Related Abnormality .......................................................182
5.6 Thermistor or Related Abnormality (Indoor Unit)..................................185
5.7 Signal Transmission Error (between Indoor and Outdoor Units)..........186
5.8 Unspecified Voltage (between Indoor and Outdoor Units)...................188
5.9 Freeze-up Protection Control ...............................................................189
5.10 OL Activation (Compressor Overload) .................................................191
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