SiEBE18-526
iv Table of Contents
4.7 Maintenance Mode Setting...................................................................137
5. Test Operation and Field Setting for RA Indoor Unit...........................138
5.1 Test Operation from the Remote Controller .........................................138
5.2 Jumper Settings ...................................................................................139
Part 7 System Configuration..................................................... 141
1. System Configuration..........................................................................142
1.1 Operation Instructions ..........................................................................142
2. Instruction............................................................................................143
2.1 RMXS Series........................................................................................143
2.2 Wall Mounted, Duct, Floor/Ceiling, Floor Standing Type .....................144
2.3 Ceiling Mounted Cassette Type ...........................................................216
2.4 Ceiling Suspended Type ......................................................................227
Part 8 Troubleshooting .............................................................239
1. Caution for Diagnosis..........................................................................241
1.1 Troubleshooting with the Operation Lamp (RA Indoor Unit) ................241
1.2 Troubleshooting with the LED on the SkyAir Indoor Unit .....................242
1.3 Troubleshooting with the LED on the Outdoor Unit..............................243
1.4 Troubleshooting with the LED on the BP Unit ......................................244
2. Service Check Function ......................................................................245
2.1 RA Indoor Unit Wireless Remote Controller.........................................245
2.2 SkyAir Indoor Unit INSPECTION/TEST Button....................................248
2.3 SkyAir Indoor Unit Wired Remote Controller........................................249
2.4 SkyAir Indoor Unit Wireless Remote Controller ...................................250
2.5 Sky Air Indoor Unit Error Codes and LED Indication............................252
2.6 Malfunction Code Indication by Outdoor Unit PCB ..............................253
3. List of Malfunction Code......................................................................255
4. Troubleshooting for RA Indoor Unit.....................................................257
4.1 Indoor Unit PCB Abnormality ...............................................................257
4.2 Freeze-up Protection Control or High Pressure Control.......................258
4.3 Fan Motor or Related Abnormality .......................................................260
4.4 Thermistor or Related Abnormality (Indoor Unit)..................................263
4.5 Shutter Drive Motor / Shutter Limit Switch Abnormality .......................264
4.6 Check ...................................................................................................265
5. Troubleshooting for SkyAir Indoor Unit ...............................................268
5.1 Indoor Unit PCB Abnormality ...............................................................268
5.2 Malfunction of Drain Water Level System (Float Type)........................269
5.3 Malfunction of Drain System ................................................................271
5.4 Indoor Unit Fan Motor Lock..................................................................272
5.5 Malfunction of Indoor Unit Fan Motor ...................................................273
5.6 Swing Flap Motor Malfunction / Lock ...................................................275
5.7 Malfunction of Capacity Setting............................................................277
5.8 Malfunction of Heat Exchanger Thermistor (R2T)................................278
5.9 Malfunction of Heat Exchanger Thermistor (R3T)................................279
5.10 Malfunction of Suction Air Thermistor ..................................................280
5.11 Malfunction of Remote Controller Thermistor.......................................281
5.12 Transmission Error (between Indoor Unit and Remote Controller) ......282
5.13 Transmission Error (between Main and Sub Remote Controller).........283
5.14 Malfunction of Field Setting Switch ......................................................284
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