Daikin SiBE04-624_B_FTXR-E Service Manual

Contents

Daikin SiBE04-624_B_FTXR-E Service Manual Manual pdf 81 page image

SiBE04-624_BService Diagnosis 71Part 6Service Diagnosis1. Convenient Service Check Function .....................................................731.1 Indoor Unit..............................................................................................731.2 Outdoor Unit ...........................................................................................732. Troubleshooting ....................................................................................742.1 Error Codes and Description ..................................................................742.2 Air conditioner does not run. ..................................................................752.3 Air conditioner runs but does not cool (heat) the room. .........................782.4 When operation starts, safety breaker works. ........................................802.5 Air conditioner makes big noise and vibration........................................822.6 Air is not humidified enough. ..................................................................832.7 Lights-out of Microcomputer Status Lamp..............................................852.8 Indoor Unit PCB Abnormality .................................................................862.9 Freeze-up Protection Control or Heating Peak-cut Control....................872.10 Fan Motor (DC Motor) or Related Abnormality.......................................892.11 Streamer Unit Abnormality .....................................................................912.12 Thermistor or Related Abnormality (Indoor Unit)....................................932.13 Front Panel Open / Close Abnormality...................................................942.14 Humidity Sensor Abnormality .................................................................952.15 Refrigerant Shortage ..............................................................................962.16 Low-voltage Detection or Over-voltage Detection..................................982.17 Signal Transmission Error (between Indoor Unit and Outdoor Unit) ....1002.18 Outdoor Unit PCB Abnormality orCommunication Circuit Abnormality .....................................................1012.19 Signal Transmission Error on Outdoor Unit PCB .................................1042.20 Unspecified Voltage (between Indoor Unit and Outdoor Unit) .............1052.21 Incomplete Setting for Hose Length .....................................................1062.22 Outdoor Unit PCB Abnormality.............................................................1072.23 OL Activation (Compressor Overload) .................................................1082.24 Compressor Lock .................................................................................1102.25 DC Fan Lock ........................................................................................1112.26 Input Overcurrent Detection .................................................................1122.27 Four Way Valve Abnormality................................................................1132.28 Discharge Pipe Temperature Control...................................................1152.29 High Pressure Control in Cooling .........................................................1162.30 Compressor System Sensor Abnormality ............................................1172.31 Damper Abnormality.............................................................................1182.32 Position Sensor Abnormality ................................................................1192.33 DC Voltage / Current Sensor Abnormality............................................1212.34 Thermistor or Related Abnormality (Outdoor Unit)...............................1222.35 Electrical Box Temperature Rise..........................................................1242.36 Radiation Fin Temperature Rise ..........................................................1262.37 Output Overcurrent Detection ..............................................................1282.38 Fan Motor System Abnormality / Fan Lock ..........................................1302.39 Heater Wire Abnormality ......................................................................131