
SiME341909EA
iii Table of Contents
1.5 Operation Control Mode .......................................................................102
2. Field Settings for Outdoor Unit............................................................104
2.1 Function Setting ...................................................................................104
2.2 Settings by DIP Switches .....................................................................105
2.3 Settings by BS Buttons.........................................................................108
2.4 Normal Mode........................................................................................110
2.5 Monitor Mode (Mode 1) ........................................................................111
2.6 Setting Mode (Mode 2).........................................................................115
2.7 Eco Mode Setting .................................................................................126
2.8 Night-Time Low Noise Operation and Demand Operation...................127
3. Test Operation ....................................................................................131
3.1 Checks before Test Operation .............................................................131
3.2 Checkpoints..........................................................................................131
3.3 Test Operation Procedure....................................................................132
3.4 Turn Power ON ....................................................................................133
Part 6 Service Diagnosis ............................................................ 134
1. Servicing Items to be Confirmed .........................................................136
1.1 Troubleshooting....................................................................................136
1.2 Precautions for Maintenance................................................................136
2. Symptom-based Troubleshooting .......................................................138
2.1 With Optional Infrared Presence/Floor Sensor.....................................140
2.2 For All Outdoor Units............................................................................141
3. Refrigerant Properties (R-410A) .........................................................142
4. Troubleshooting with Remote Controller.............................................143
4.1 BRC1E63 .............................................................................................143
4.2 BRC1H81 Series ..................................................................................144
4.3 BRC4M Series......................................................................................145
5. Troubleshooting by Error Code ...........................................................146
5.1 Error Codes and Descriptions ..............................................................146
5.2 Error Codes (Sub Codes).....................................................................148
5.3 External Protection Device Abnormality ...............................................158
5.4 Indoor Unit PCB Abnormality ...............................................................159
5.5 Drain Level Control System Abnormality..............................................160
5.6 Indoor Fan Motor Lock, Overload.........................................................162
5.7 Indoor Fan Motor Abnormality..............................................................164
5.8 Power Supply Voltage Abnormality ......................................................170
5.9 Electronic Expansion Valve Coil Abnormality, Dust Clogging ..............173
5.10 Humidifier System Abnormality ............................................................174
5.11 Auto Grille Unit Error ............................................................................175
5.12 Defective Capacity Setting ...................................................................176
5.13 Transmission Error (between Indoor Unit PCB and Fan PCB) ............177
5.14 Transmission Error ...............................................................................179
5.15 Transmission Error (between Indoor Unit PCB and Auto Grille
Control PCB) ........................................................................................180
5.16 Thermistor Abnormality ........................................................................182
5.17 Combination Abnormality (between Indoor Unit PCB and Fan PCB)...183
5.18 Capacity Setting Abnormality ...............................................................184
5.19 Indoor Unit PCB Abnormality ...............................................................185
5.20 Infrared Presence/Floor Sensor Error ..................................................186
5.21 Remote Controller Thermistor Abnormality ..........................................191