SiUS281811EA
Table of Contents iv
4.13 Swing Flap Motor Abnormality ................................................................. 230
4.14 Power Supply Voltage Abnormality .......................................................... 232
4.15 Blower Motor Stops for Over/Under Voltage ............................................ 233
4.16 Electronic Expansion Valve Coil Abnormality, Dust Clogging .................. 234
4.17 Drain Level Above Limit ........................................................................... 236
4.18 Defective Capacity Setting ....................................................................... 237
4.19 Transmission Abnormality (between Indoor Unit PCB and Fan PCB) ..... 238
4.20 Blower Motor Communication Error ......................................................... 240
4.21 Thermistor Abnormality ............................................................................ 241
4.22 Combination Abnormality (between Indoor Unit PCB and Fan PCB)....... 242
4.23 Blower Motor HP Mismatch...................................................................... 243
4.24 Indoor Blower Does Not Have Required Parameters to Function............ 244
4.25 Remote Sensor Abnormality .................................................................... 245
4.26 Infrared Presence/Floor Sensor Error ...................................................... 246
4.27 Remote Controller Thermistor Abnormality .............................................. 251
4.28 Outdoor Main PCB Abnormality ............................................................... 252
4.29 Activation of High Pressure Switch .......................................................... 253
4.30 Activation of Low Pressure Sensor .......................................................... 255
4.31 Inverter Compressor Motor Lock.............................................................. 257
4.32 Outdoor Fan Motor Abnormality............................................................... 259
4.33 Electronic Expansion Valve Coil Abnormality........................................... 261
4.34 Discharge Pipe Temperature Abnormality ............................................... 262
4.35 Refrigerant Overcharged.......................................................................... 263
4.36 Thermistor Abnormality ............................................................................ 264
4.37 High Pressure Sensor Abnormality .......................................................... 265
4.38 Low Pressure Sensor Abnormality ........................................................... 266
4.39 PCB (for Inverter Compressor) Abnormality............................................. 267
4.40 Radiation Fin Temperature Rise Abnormality .......................................... 268
4.41 Inverter Compressor Instantaneous Overcurrent ..................................... 269
4.42 Inverter Compressor Overcurrent............................................................. 270
4.43 Inverter Compressor Startup Abnormality ................................................ 271
4.44
Transmission Error (Between Microcomputers on the Outdoor Main PCB)
... 272
4.45 Inverter Circuit Capacitor High Voltage.................................................... 273
4.46 Radiation Fin Thermistor Abnormality ...................................................... 274
4.47 Refrigerant Shortage ................................................................................ 275
4.48 Power Supply Insufficient or Instantaneous Abnormality ......................... 277
4.49 Check Operation Not Executed................................................................ 279
4.50 Transmission Error between Indoor Units and Outdoor Units.................. 280
4.51 Transmission Error between Remote Controller and Indoor Unit............. 282
4.52 Transmission Error between Main and Sub Remote Controllers ............. 283
4.53
Transmission Error between Indoor and Outdoor Units in the Same System
... 284
4.54 Improper Combination of Indoor and Outdoor Units, Indoor Units
and Remote Controller ............................................................................. 285
4.55 Incorrect Electric Heater Capacity Setting................................................ 287
4.56 Address Duplication of Centralized Controller.......................................... 288
4.57 Transmission Error between Centralized Controller and Indoor Unit ....... 289
4.58 System Not Set ........................................................................................ 290
4.59 System Abnormality, Refrigerant System Address Undefined ................. 291
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