Daikin VRV IV-S RXTQ-TAVJU Series Service Manual page 6

4. Troubleshooting by Error Code ............................................................... 135
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4.1 External Protection Device Abnormality ................................................... 135
4.2 Indoor Unit PCB Abnormality ................................................................... 136
4.3 Drain Level Control System (S1L) Abnormality........................................ 137
4.4 Indoor Fan Motor (M1F) Lock, Overload .................................................. 139
4.5 Indoor Fan Motor Abnormality.................................................................. 142
4.6 Overload/Overcurrent/Indoor Fan Motor Lock.......................................... 146
4.7 Swing Flap Motor Abnormality ................................................................. 147
4.8 Power Supply Voltage Abnormality .......................................................... 149
4.9 Electronic Expansion Valve Coil Abnormality, Dust Clogging .................. 150
4.10 Drain Level Above Limit ........................................................................... 152
4.11 Capacity Determination Device Abnormality ............................................ 153
4.12 Transmission Abnormality (between Indoor Unit PCB and Fan PCB) ..... 154
4.13 Thermistor Abnormality ............................................................................ 156
4.14 Combination Abnormality (between Indoor Unit PCB and Fan PCB)....... 157
4.15 Remote Sensor Abnormality .................................................................... 158
4.16 Humidity Sensor System Abnormality ...................................................... 159
4.17 Infrared Presence/Floor Sensor Error ...................................................... 160
4.18 Remote Controller Thermistor Abnormality .............................................. 165
4.19 Outdoor Main PCB Abnormality ............................................................... 166
4.20 Activation of High Pressure Switch .......................................................... 167
4.21 Activation of Low Pressure Sensor .......................................................... 169
4.22 Inverter Compressor Motor Lock.............................................................. 171
4.23 Outdoor Fan Motor Abnormality ............................................................... 173
4.24 Electronic Expansion Valve Coil Abnormality........................................... 175
4.25 Discharge Pipe Temperature Abnormality ............................................... 177
4.26 Refrigerant Overcharged.......................................................................... 178
4.27 Thermistor Abnormality ............................................................................ 179
4.28 High Pressure Sensor Abnormality .......................................................... 180
4.29 Low Pressure Sensor Abnormality ........................................................... 181
4.30 PCB (for Inverter Compressor) Abnormality............................................. 182
4.31 Radiation Fin Temperature Rise Abnormality .......................................... 183
4.32 Inverter Compressor Instantaneous Overcurrent ..................................... 184
4.33 Inverter Compressor Overcurrent............................................................. 185
4.34 Inverter Compressor Startup Abnormality ................................................ 186
4.35 Transmission Error
(Between Microcomputers on the Outdoor Main PCB) ............................ 187
4.36 Inverter Circuit Capacitor High Voltage .................................................... 188
4.37 Radiation Fin Thermistor Abnormality ...................................................... 189
4.38 Refrigerant Shortage ................................................................................ 190
4.39 Power Supply Insufficient or Instantaneous Abnormality ......................... 192
4.40 Check Operation Not Executed................................................................ 194
4.41 Transmission Error between Indoor Units and Outdoor Units.................. 195
4.42 Transmission Error between Remote Controller and Indoor Unit............. 197
4.43 Transmission Error between Main and Sub Remote Controllers ............. 198
4.44 Transmission Error between Indoor and
Outdoor Units in the Same System .......................................................... 199
SiUS331604E
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