SiBE06-514ATable of Contents iiiPart 5 System Configuration....................................................... 491. System Configuration............................................................................502. Instruction..............................................................................................512.1 Safety precautions..................................................................................512.2 Names of parts .......................................................................................532.3 Preparation before Operation.................................................................562.4 AUTO · DRY · COOL · HEAT · FAN Operation ......................................592.5 Adjusting the Air Flow Direction .............................................................612.6 POWERFUL Operation ..........................................................................632.7 OUTDOOR UNIT SILENT Operation .....................................................642.8 HOME LEAVE Operation .......................................................................652.9 TIMER Operation ...................................................................................672.10 Care and Cleaning .................................................................................692.11 Troubleshooting......................................................................................72Part 6 Service Diagnosis............................................................. 771. Caution for Diagnosis............................................................................782. Problem Symptoms and Measures .......................................................793. Service Check Function ........................................................................804. Troubleshooting ....................................................................................834.1 Error Codes and Description ..................................................................834.2 Indoor Unit PCB Abnormality .................................................................844.3 Freeze-up Protection Control or High Pressure Control.........................854.4 Fan Motor (DC Motor) or Related Abnormality.......................................874.5 Thermistor or Related Abnormality (Indoor Unit)....................................894.6 Shutter Drive Motor / Shutter Limit Switch Abnormality .........................904.7 Signal Transmission Error (between Indoor and Outdoor Unit) .............914.8 Unspecified Voltage (between Indoor and Outdoor Units) .....................924.9 Outdoor Unit PCB Abnormality...............................................................934.10 OL Activation (Compressor Overload) ...................................................944.11 Compressor Lock ...................................................................................954.12 DC Fan Lock ..........................................................................................964.13 Input Over Current Detection .................................................................974.14 Four Way Valve Abnormality..................................................................984.15 Discharge Pipe Temperature Control...................................................1004.16 High Pressure Control in Cooling .........................................................1014.17 Compressor System Sensor Abnormality ............................................1034.18 Position Sensor Abnormality ................................................................1044.19 DC Voltage / Current Sensor Abnormality............................................1054.20 Thermistor or Related Abnormality (Outdoor Unit)...............................1064.21 Electrical Box Temperature Rise..........................................................1084.22 Radiation Fin Temperature Rise ..........................................................1104.23 Output Over Current Detection.............................................................1124.24 Insufficient Gas.....................................................................................1144.25 Over-voltage Detection.........................................................................1165. Check ..................................................................................................1175.1 How to Check .......................................................................................117