Table of Contents
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Si39-504
Table of Contents
Malfunction of Swing Flap Motor (MA) .......................175
Electronic Expansion Valve (20E) ........................................................177
Heat Exchanger....................................................................................181
Remote Controller ................................................................................184
3.16 "E5"
Outdoor Unit: Compressor Motor Lock ..........................................188
3.17 "E6"
Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............189
3.18 "E7"
Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................190
Electronic Expansion Valve (Y1E, Y2E)...............................................192
3.21 "F6"
Outdoor Unit: Refrigerant Overcharged.........................................195
3.22 "H7"
Outdoor Unit: Abnormal Outdoor Fan Motor Signal.......................196
3.24 "J2"
Outdoor Unit: Current Sensor Malfunction ....................................198
(R3, R31~33T) .....................................................................................199
Outdoor Unit Heat Exchanger Deicer...................................................201
Pipe Thermistor (R6T)..........................................................................202
Gas Pipe Thermistor (R5T) ..................................................................203
Temperature Rise.................................................................................206
Inverter and Control PC Board .............................................................210
Temperature Rise Sensor ....................................................................213
Shortage or Electronic Expansion Valve Failure ..................................214
3.40 "U1"
Reverse Phase, Open Phase.........................................................215
Instantaneous Failure...........................................................................216
3.43 "U4"
Malfunction of Transmission Between Indoor Units ......................219
Drain Level above Limit..............................................179
Malfunction of Capacity Determination Device ..........180
Malfunction of Thermistor (R3T) for Gas Pipes..........182
Malfunction of Thermistor (R1T) for Suction Air.........183
PC Board Defect ......................................................185
Actuation of High Pressure Switch ..........................186
Actuation of Low Pressure Sensor ..........................187
Malfunction of Moving Part of
Abnormal Discharge Pipe Temperature ..................194
Malfunction of Thermistor (R1T) for Outdoor Air.....197
Malfunction of Discharge Pipe Thermistor
Malfunction of Thermistor (R2T) for Suction Pipe ...200
Malfunction of Thermistor (R4T) for
Malfunction of Receiver Outlet Liquid
Malfunction of Subcooling Heat Exchanger
Malfunction of High Pressure Sensor......................204
Malfunction of Low Pressure Sensor.......................205
Malfunction of Inverter Radiating Fin
Inverter Compressor Abnormal ...............................207
Inverter Current Abnormal.......................................208
Inverter Start up Error..............................................209
Malfunction of Transmission Between
Inverter Over-Ripple Protection ...............................212
Malfunction of Inverter Radiating Fin
Low Pressure Drop Due to Refrigerant
Power Supply Insufficient or
Check Operation not executed................................218
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Troubleshooting
