SiBE04-401Table of Contents iii3.15 Facility Setting Jumper (cooling at low outdoor temperature) ................57Part 5 System Configuration....................................................... 591. System Configuration............................................................................602. Instruction..............................................................................................612.1 Safety precautions..................................................................................612.2 Names of parts .......................................................................................632.3 Preparation before Operation.................................................................662.4 AUTO · DRY · COOL · HEAT · FAN Operation ......................................692.5 Adjusting the Air Flow Direction .............................................................712.6 POWERFUL Operation ..........................................................................732.7 OUTDOOR UNIT SILENT Operation ....................................................742.8 HOME LEAVE Operation .......................................................................752.9 INTELLIGENT EYE Operation ...............................................................772.10 TIMER Operation ...................................................................................792.11 Care and Cleaning .................................................................................812.12 Troubleshooting......................................................................................84Part 6 Service Diagnosis............................................................. 891. Caution for Diagnosis............................................................................902. Problem Symptoms and Measures .......................................................913. Service Check Function ........................................................................924. Troubleshooting ....................................................................................954.1 Error Codes and Description ..................................................................954.2 Indoor Unit PCB Abnormality .................................................................964.3 Freeze-up Protection Control or High Pressure Control.........................974.4 Fan Motor (AC Motor) or Related Abnormality.......................................994.5 Thermistor or Related Abnormality (Indoor Unit)..................................1004.6 Signal Transmission Error (between Indoor and Outdoor Unit) ...........1014.7 OL Activation (Compressor Overload) .................................................1024.8 Compressor Lock .................................................................................1034.9 DC Fan Lock ........................................................................................1044.10 Input Over Current Detection ...............................................................1054.11 Four Way Valve Abnormality................................................................1064.12 Discharge Pipe Temperature Control...................................................1084.13 High Pressure Control in Cooling .........................................................1094.14 Position Sensor Abnormality ................................................................1114.15 DC Voltage / Current Sensor Abnormality............................................1124.16 Thermistor or Related Abnormality (Outdoor Unit)...............................1134.17 Electrical Box Temperature Rise..........................................................1154.18 Radiation Fin Temperature Rise ..........................................................1174.19 Output Over Current Detection.............................................................1194.20 Insufficient Gas.....................................................................................1214.21 Over-voltage Detection.........................................................................1235. Check ..................................................................................................1245.1 How to Check .......................................................................................124