SiUS341615Ev Table of Contents3.9 Low Indoor Airflow.................................................................................... 1893.10 Swing Flap Motor Abnormality ................................................................. 1903.11 Power Supply Voltage Abnormality .......................................................... 1923.12 Blower Motor Stops for Over/Under Voltage ............................................ 1933.13 Electronic Expansion Valve Coil Abnormality, Dust Clogging .................. 1943.14 Drain Level above Limit............................................................................ 1953.15 Capacity Determination Device Abnormality ............................................ 1963.16 Transmission Abnormality between Indoor Unit PCB and Fan PCB ........ 1973.17 Blower Motor Communication Error ......................................................... 1993.18 Thermistor Abnormality ............................................................................ 2003.19 Combination Error between Indoor Unit PCB and Fan PCB .................... 2013.20 Blower Motor HP Mismatch...................................................................... 2023.21 Indoor Blower Does Not Have Required Parameters to Function ............ 2033.22 Remote Sensor Abnormality .................................................................... 2043.23 Humidity Sensor System Abnormality ...................................................... 2053.24 Infrared Presence/Floor Sensor Error ...................................................... 2063.25 Remote Controller Thermistor Abnormality .............................................. 2113.26 Outdoor Unit Main PCB Abnormality........................................................ 2123.27 Current Leakage Detection ...................................................................... 2133.28 Missing of Leakage Detection Core ......................................................... 2143.29 Actuation of High Pressure Switch ........................................................... 2153.30 Actuation of Low Pressure Sensor ........................................................... 2173.31 Inverter Compressor Motor Lock.............................................................. 2193.32 Compressor Damage Alarm..................................................................... 2213.33 Outdoor Fan Motor Abnormality ............................................................... 2233.34 Electronic Expansion Valve Coil Abnormality........................................... 2263.35 Discharge Pipe Temperature Abnormality ............................................... 2283.36 Wet Alarm................................................................................................. 2303.37 Refrigerant Overcharged.......................................................................... 2323.38 Harness Abnormality (between Outdoor Unit Main PCB andInverter PCB)............................................................................................ 2333.39 Outdoor Fan Motor Signal Abnormality .................................................... 2343.40 Thermistor Abnormality ............................................................................ 2353.41 High Pressure Sensor Abnormality .......................................................... 2373.42 Low Pressure Sensor Abnormality ........................................................... 2393.43 Inverter PCB Abnormality......................................................................... 2413.44 Reactor Temperature Rise Abnormality ................................................... 2433.45 Inverter Radiation Fin Temperature Rise Abnormality ............................. 2443.46 Inverter Compressor Instantaneous Overcurrent ..................................... 2453.47 Inverter Compressor Overcurrent............................................................. 2473.48 Inverter Compressor Startup Abnormality ................................................ 2493.49 Transmission Error between Inverter PCB andOutdoor Unit Main PCB............................................................................ 2523.50 Power Supply Voltage Imbalance ............................................................ 2543.51 Reactor Temperature Abnormality ........................................................... 2563.52 Inverter Radiation Fin Temperature Abnormality ..................................... 2573.53 Field Setting after Replacing Outdoor Unit Main PCB Abnormality orCombination of PCB Abnormality............................................................. 259
