Daikin RXSQ24TAVJU Service Manual page 5

SiUS331708EA
3. Test Operation ........................................................................................ 131
Part 6 Service Diagnosis.............................................................. 139
1. Servicing Items to be Confirmed ............................................................. 142
2. Symptom-Based Troubleshooting........................................................... 144
3. Service Check Function .......................................................................... 149
4. Troubleshooting by Error Code ............................................................... 152
Table of Contents
3.1 Check Work Prior to Turning Power Supply ON ...................................... 131
3.2 Turn Power ON ........................................................................................ 131
3.3 Test Operation.......................................................................................... 132
3.4 Gas Furnace Test Operation.................................................................... 135
3.5 Error Codes and Corresponding Measures.............................................. 136
3.6 When Turning ON Power First Time ........................................................ 138
3.7 When Turning ON Power the Second Time and Subsequent.................. 138
3.8 When an Indoor Unit or Outdoor Unit has been Added,
or Indoor or Outdoor Unit PCB has been Changed.................................. 138
1.1 Troubleshooting........................................................................................ 142
1.2 Precautions for Maintenance.................................................................... 142
1.3 Refrigerant Properties (R-410A)............................................................... 143
2.1 Indoor Unit Overall ................................................................................... 144
2.2 With Optional Infrared Presence/Floor Sensor......................................... 147
2.3 With Gas Furnace .................................................................................... 148
2.4 Gas Furnace Lockout Reset..................................................................... 148
3.1 Wired Remote Controller.......................................................................... 149
3.2 Wireless Remote Controller ..................................................................... 150
4.1 Error Codes and Descriptions .................................................................. 152
4.2 Error Codes - Sub Codes ......................................................................... 154
4.3 Error Code Indication by Outdoor Unit PCB ............................................. 156
4.4 External Protection Device Abnormality ................................................... 160
4.5 Indoor Unit PCB Abnormality ................................................................... 162
4.6 Drain Level Control System (S1L) Abnormality........................................ 163
4.7 Indoor Fan Motor (M1F) Lock, Overload .................................................. 165
4.8 Indoor Fan Motor Abnormality.................................................................. 168
4.9 Blower Motor Not Running ....................................................................... 172
4.10 Indoor Fan Motor Status Abnormality....................................................... 173
4.11 Low Indoor Airflow.................................................................................... 174
4.12 Swing Flap Motor Abnormality ................................................................. 175
4.13 Power Supply Voltage Abnormality .......................................................... 177
4.14 Blower Motor Stops for Over/Under Voltage ............................................ 178
4.15 Electronic Expansion Valve Coil Abnormality, Dust Clogging .................. 179
4.16 Gas Furnace Abnormality......................................................................... 180
4.17 Drain Level Above Limit ........................................................................... 181
4.18 Capacity Determination Device Abnormality ............................................ 182
4.19 Transmission Abnormality (between Indoor Unit PCB and Fan PCB) ..... 183
4.20 Blower Motor Communication Error ......................................................... 185
4.21 Climate Talk Communication Error .......................................................... 186
4.22 Thermistor Abnormality ............................................................................ 187
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