SiUS181305E
iv
Table of Contents
Thermostat Sensor in Remote Controller................................................... 84
Hot Start Control (In Heating Operation Only)............................................ 86
Part 6 Test Operation and Field Settings ...................................... 87
Operation when Power is Turned On ......................................................... 90
RA Indoor Unit: CTXS, FTXS, CDXS, FDXS Series .................................. 93
RA Indoor Unit: CTXS, FTXS, CDXS, FDXS Series ................................ 110
SA Indoor Unit: FFQ Series...................................................................... 113
Part 7 Remote Controller ............................................................. 121
1. CTXS07JVJU, CTXS09/12HVJU ............................................................122
2. CTXS07LVJU, FTXS15/18/24LVJU........................................................124
3. FDXS09/12LVJU, CDXS15/18/24LVJU ..................................................126
4. FFQ09/12/15/18LVJU .............................................................................128
<BRC1E72> Wired Remote Controller..................................................... 128
<BRC7E830> Wireless Remote Controller .............................................. 134
Part 8 Troubleshooting................................................................. 136
CTXS, FTXS, CDXS, FDXS Series.......................................................... 145
3. Error Codes and Description...................................................................154
4. Troubleshooting for CTXS, FTXS, CDXS, FDXS Series.........................156
Indoor Unit PCB Abnormality ................................................................... 156
Freeze-up Protection Control or Heating Peak-cut Control...................... 158
Fan Motor or Related Abnormality ........................................................... 160
Thermistor or Related Abnormality........................................................... 164
Check for CTXS, FTXS, CDXS, FDXS Series ......................................... 165
5. Troubleshooting for FFQ Series..............................................................167
Indoor Unit PCB Abnormality ................................................................... 167
Drain Level Control System Abnormality.................................................. 168
Fan Motor or Related Abnormality ........................................................... 169
Drain System Abnormality........................................................................ 170
Thermistor or Related Abnormality........................................................... 171
5.6
Remote Controller Thermistor Abnormality .............................................. 172