
Si38-606
Troubleshooting 103
Part 6
Troubleshooting
1. Troubleshooting by Remote Controller ...............................................105
1.1 The INSPECTION / TEST Button.........................................................105
1.2 Self-diagnosis by Wired Remote Controller .........................................106
1.3 Self-diagnosis by Wireless Remote Controller .....................................107
1.4 Operation of the Remote Controller’s Inspection /
Test Operation Button ..........................................................................110
1.5 Remote Controller Service Mode .........................................................111
1.6 Remote Controller Self-Diagnosis Function .........................................113
2. Troubleshooting by Indication on the Remote Controller ....................118
2.1 “A0” Indoor Unit: Error of External Protection Device ...........................118
2.2 “A1” Indoor Unit: PC Board Defect.........................................................119
2.3 “A3” Indoor Unit: Malfunction of Drain Level Control System
(S1L, 33H) ............................................................................................120
2.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, Overload...............................122
2.5 “A7” Indoor Unit: Malfunction of Swing Flap Motor (MA) .......................123
2.6 “A9” Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (20E) ........................................................125
2.7 “AF” Indoor Unit: Drain Level above Limit..............................................127
2.8 “AJ” Indoor Unit: Malfunction of Capacity Determination Device ..........128
2.9 “C4” Indoor Unit: Malfunction of Thermistor (R2T)
for Heat Exchanger ..............................................................................129
2.10 “C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes..........130
2.11 “C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........131
2.12 “CJ” Indoor Unit: Malfunction of Thermostat Sensor in
Remote Controller ................................................................................132
2.13 “E1” Outdoor Unit: PC Board Defect ......................................................133
2.14 “E3” Outdoor Unit: Actuation of High Pressure Switch ..........................134
2.15 “E4” Outdoor Unit: Actuation of Low Pressure Sensor ..........................135
2.16 “E5” Compressor Motor Lock ................................................................136
2.17 “E6” Standard Compressor Motor Overcurrent/Lock.............................137
2.18 “E7” Malfunction of Outdoor Unit Fan Motor..........................................138
2.19 “E9” Outdoor Unit: Malfunction of Moving Part of Electronic
Expansion Valve (Y1E, Y2E)................................................................140
2.20 “F3” Outdoor Unit: Abnormal Discharge Pipe Temperature ..................142
2.21 “F6” Refrigerant Overcharged ...............................................................143
2.22 “H7” Abnormal Outdoor Fan Motor Signal .............................................144
2.23 “H9” Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T).....145
2.24 “J2” Current Sensor Malfunction...........................................................146
2.25 “J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor
(R31 or 32T) .........................................................................................147
2.26 “J5” Outdoor Unit: Malfunction of Thermistor (R2T) for Suction Pipe ...148
2.27 “J6” Outdoor Unit: Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger ..............................................................149
2.28 “J9” Malfunction of Receiver Gas Pipe Thermistor (R5T).....................150
2.29 “JA” Outdoor Unit: Malfunction of High Pressure Sensor......................151
2.30 “JC” Outdoor Unit: Malfunction of Low Pressure Sensor.......................152
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