Specifications

Si04-306B
Table of Contents iii
3.13 Malfunctions ...........................................................................................63
3.14 Forced Operation Mode .........................................................................64
3.15 Additional Function.................................................................................64
3.16 Facility Setting Switch (cooling at low outdoor temperature)..................65
Part 5 System Configuration.......................................................67
1. System Configuration............................................................................68
2. Instruction..............................................................................................69
2.1 Safety Precautions .................................................................................69
2.2 Names of Parts.......................................................................................71
2.3 Preparation before Operation.................................................................74
2.4 AUTO · DRY · COOL · HEAT · FAN Operation ......................................77
2.5 Adjusting the Air Flow Direction .............................................................79
2.6 POWERFUL Operation ..........................................................................81
2.7 OUTDOOR UNIT SILENT Operation .....................................................82
2.8 HOME LEAVE Operation .......................................................................83
2.9 INTELLIGENT EYE Operation ...............................................................85
2.10 TIMER Operation ...................................................................................87
2.11 Care and Cleaning .................................................................................89
2.12 Troubleshooting......................................................................................92
Part 6 Service Diagnosis............................................................. 95
1. Caution for Diagnosis............................................................................96
2. Problem Symptoms and Measures .......................................................97
3. Service Check Function ........................................................................98
4. Troubleshooting ....................................................................................99
4.1 Error Codes and Description ..................................................................99
4.2 Indoor Unit PCB Abnormality ...............................................................100
4.3 Freeze-up Protection Control or High Pressure Control.......................101
4.4 Fan Motor (DC Motor) or Related Abnormality.....................................103
4.5 Thermistor or Related Abnormality (Indoor Unit)..................................105
4.6 Signal Transmission Error (between Indoor and Outdoor Units)..........106
4.7 OL Activation (Compressor Overload) .................................................107
4.8 Compressor Lock .................................................................................108
4.9 DC Fan Lock ........................................................................................109
4.10 Input Over Current Detection ...............................................................110
4.11 Four Way Valve Abnormality................................................................112
4.12 Discharge Pipe Temperature Control...................................................114
4.13 High Pressure Control in Cooling .........................................................115
4.14 Position Sensor Abnormality ................................................................117
4.15 CT or Related Abnormality ...................................................................118
4.16 Thermistor or Related Abnormality (Outdoor Unit)...............................120
4.17 Electrical Box Temperature Rise..........................................................122
4.18 Radiation Fin Temperature Rise ..........................................................124
4.19 Output Over Current Detection.............................................................126
4.20 Insufficient Gas.....................................................................................128
4.21 Low-voltage Detection..........................................................................130
5. Check ..................................................................................................131
5.1 How to Check .......................................................................................131