SiENBE37-701
Table of Contents iii
2.5 Remote Control Service Mode .............................................................241
2.6 Test Run Mode.....................................................................................243
2.7 Remote Control Self-Diagnosis Function .............................................243
3. Troubleshooting by Indication on the Remote Control ........................250
3.1 “A0” Indoor Unit: Error of External Protection Device ...........................250
3.2 “A1” Indoor Unit: PC Board Defect.........................................................251
3.3 “A3” Indoor Unit: Malfunction of Drain Level Control System (S1L) ......252
3.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, Overload...............................254
3.5 “A7” Indoor Unit: Malfunction of Swing Flap Motor (M1S) .....................258
3.6 “A9” Indoor Unit: Electronic Expansion Valve
Malfunction / Dust Clogging260
3.7 ........ “A9” Indoor Unit: Malfunction of Electronic Expansion Valve Coil262
3.8 “AF” Indoor Unit: Drain Level above Limit..............................................264
3.9 “AJ” Indoor Unit: Malfunction of Capacity Determination Device ..........265
3.10 “C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger 266
3.11 “C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes..........267
3.12 “C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........268
3.13 “CJ” Indoor Unit: Malfunction of Thermostat Sensor in Remote Control .....
269
3.14 “E1” Outdoor Unit: PC Board Defect ......................................................270
3.15 “E3” Outdoor Unit: Actuation of High Pressure Switch ..........................271
3.16 “E4” Outdoor Unit: Actuation of Low Pressure Sensor..........................273
3.17 “E5” Outdoor Unit: Inverter Compressor Motor Lock.............................275
3.18 “E6” Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............277
3.19 “E7” Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................278
3.20 “E9” Outdoor Unit: Malfunction of Moving Part of Electronic Expansion
Valve (Y1E~Y5E)281
3.21 “F3” Outdoor Unit: Abnormal Discharge Pipe Temperature ..................283
3.22 “F6” Outdoor Unit: Refrigerant Overcharged.........................................285
3.23 “F9” Outdoor Unit: Malfunction of BS Unit Electronic Expansion Valve 286
3.24 “H7” Outdoor Unit: Abnormal Outdoor Fan Motor Signal.......................288
3.25 “H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air.....290
3.26 “J2” Outdoor Unit: Current Sensor Malfunction ....................................291
3.27 “J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R31, 32T,
33T)292
3.28 “J4” Outdoor Unit: Malfunction of Temperature Sensor for Heat Exchanger
Gas (R2T or R11T)293
3.29 “J5” Outdoor Unit: Malfunction of Thermistor (R8T or R10T) for Suction
Pipe294
3.30 “J6” Outdoor Unit: Malfunction of Thermistor (R4T or R12T) for Outdoor
Unit Heat Exchanger295
3.31 “J7” Outdoor Unit: Malfunction of Liquid Pipe Thermistor 1 (R6T), (R9T) or
(R14T)296
3.32 “J8” Outdoor Unit: Malfunction of Liquid Pipe Thermistor 2 (R7T or R15T)
297
3.33 “J9” Outdoor Unit: Malfunction of Subcooling Heat Exchanger Gas Pipe
Thermistor (R5T or R13T)298
3.34 “JA” Outdoor Unit: Malfunction of High Pressure Sensor......................299
3.35 “JC” Outdoor Unit: Malfunction of Low Pressure Sensor.......................301
3.36 “L1” Outdoor Unit: Defective Inverter PC Board ....................................303
3.37 “L4” Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
305
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