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SiUS281811EA
194
Part 6 Service Diagnosis
1. Servicing Items to be Confirmed .............................................................197
1.1 Troubleshooting........................................................................................ 197
1.2 Precautions for Maintenance.................................................................... 197
1.3 Refrigerant Properties (R-410A)............................................................... 199
2. Symptom-based Troubleshooting ...........................................................200
2.1 Indoor Unit Overall ................................................................................... 200
2.2 With Optional Infrared Presence/Floor Sensor......................................... 203
3. Troubleshooting with Remote Controller.................................................205
3.1 Wired Remote Controller.......................................................................... 205
3.2 Wireless Remote Controller ..................................................................... 206
4. Troubleshooting by Error Codes .............................................................208
4.1 Error Codes and Description .................................................................... 208
4.2 Error Codes - Sub Codes ......................................................................... 210
4.3 Error Code Indication by Outdoor Unit PCB............................................. 212
4.4 External Protection Device Abnormality (Except FTQ-TA)....................... 216
4.5 External Protection Device Abnormality (FTQ-TA Only) .......................... 217
4.6 Indoor Unit PCB Abnormality ................................................................... 218
4.7 Drain Level Control System (S1L) Abnormality........................................ 219
4.8 Indoor Fan Motor (M1F) Lock, Overload .................................................. 221
4.9 Indoor Fan Motor Abnormality.................................................................. 223
4.10 Blower Motor Not Running ....................................................................... 227
4.11 Indoor Fan Motor Status Abnormality....................................................... 228
4.12 Low Indoor Airflow.................................................................................... 229
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
Part 6
Service Diagnosis
Summary of Contents for SkyAir RZR-TA Series
Page 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811EA...
Page 202: ...SiUS281811EA 196 Part 6 Service Diagnosis 5 15 Fan Motor Connector Check for FTQ TA 311...
Page 323: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 317 RZR18 24TAVJUA RZQ18 24TAVJUA 3D124495...
Page 327: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 321 FHQ18 24 30PVJU FHQ36 42MVJU 3D048116C...
Page 328: ...Wiring Diagrams SiUS281811EA 322 Part 7 Appendix FAQ18 24TAVJU 3D114844B...
Page 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...