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Troubleshooting
31
When the Need Arises
Fault diagnosis by remote controller
• The remote controller can receive relevant error codes from the indoor unit.
1.
When
is held down for about
5 seconds, “
” blinks in the temperature
display section.
2.
Press
repeatedly until a continuous beep
is produced.
• The code indication changes as shown below, and noti
fi
es you with a long beep.
CODE
MEANING
SYSTEM
00
NORMAL
UA
INDOOR-OUTDOOR UNIT COMBINATION FAULT
U0
REFRIGERANT SHORTAGE
U2
DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
U4
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
INDOOR
UNIT
A1
INDOOR PCB DEFECTIVENESS
A5
HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
A6
FAN MOTOR FAULT
C4
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
C9
FAULTY SUCTION AIR TEMPERATURE SENSOR
OUTDOOR
UNIT
EA
COOLING-HEATING SWITCHING ERROR
E1
CIRCUIT BOARD FAULT
E5
OL STARTED
E6
FAULTY COMPRESSOR START UP
E7
DC FAN MOTOR FAULT
E8
OVERCURRENT INPUT
F3
HIGH TEMPERATURE DISCHARGE PIPE CONTROL
F6
HIGH PRESSURE CONTROL (IN COOLING)
H0
SENSOR FAULT
H6
OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR
H8
DC CURRENT SENSOR FAULT
H9
FAULTY SUCTION AIR TEMPERATURE SENSOR
J3
FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
J6
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
L3
ELECTRICAL PARTS HEAT FAULT
L4
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
L5
OUTPUT OVERCURRENT
P4
FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
NOTE
• A short beep indicates non-corresponding codes.
• To cancel the code display, hold
down for about 5 seconds. The code display also clears if no button is pressed for 1 minute.
Summary of Contents for FTX20K2V1B
Page 194: ...1 15 14...
Page 195: ...2 E 3 5 9 10 12 13 14 14 15 16 18 20 27 28...
Page 196: ...7 3 5 70 dB A R410A R32 3...
Page 197: ...4 E 8 1 m 1 m...
Page 198: ...ON OFF 5 13 13 16 17 25 C...
Page 200: ...7 FTX50K2V1B FTX60K2V1B FTX71K2V1B FTXP50K3V1B FTXP60K3V1B FTXP71K3V1B...
Page 201: ...E 8 LCD 10 10 11 14 14 17 16 7 m 11 12 15 13 16 17...
Page 202: ...9 1 2 2 AAA LR03 3 1 2 3 Fahrenheit 5 Fahrenheit 2 3 1 1 AAA LR03 1...
Page 203: ...E 10...
Page 204: ...11 18 32 C 10 30 C 18 30 C 26 28 C 20 24 C 2 21...
Page 205: ...12 E...
Page 206: ...13 LCD LCD 2...
Page 207: ...14 E 14 LCD 20 LCD LCD LCD...
Page 208: ...15 15 LCD 2 5 C LCD LCD LCD...
Page 209: ...E 16 LCD 1 1 12 LCD...
Page 210: ...17 LCD 1 1 12 LCD 2 LCD 1 7 2 3 0 5 C 2 0 C...
Page 211: ...18 E 5 C 5 C...
Page 212: ...19 A A...
Page 216: ...40 C 2 24 6 3 25 25 FTX50K2V1B FTX60K2V1B FTX71K2V1B FTXP50K3V1B FTXP60K3V1B FTXP71K3V1B 23...
Page 217: ...1 2 3 2 4 5 FTX50K2V1B FTX60K2V1B FTX71K2V1B FTXP50K3V1B FTXP60K3V1B FTXP71K3V1B 24 E...
Page 219: ...26 E 1 2 3 1 3 3 1 2087 5 3 1 675 R410A R32 22 3 NJ 7 9 7 3 9 7 3 9 22...
Page 220: ...27 3 4 12...
Page 221: ...28 E 31 3 31 1 1 4 1 15...
Page 222: ...29 AAA LR03 9 inverter LCD AAA LR03 9 10 46 C 18 32 C 80 15 24 C 10 30 C...
Page 223: ...30 E 3 Pb 0 004...
Page 225: ...32 E LED PCB 2MXM LED A 1 2 LED PCB...
Page 258: ...1 15 14...
Page 259: ...2 Pycck 3 5 9 10 12 13 14 14 15 16 18 20 27 28...
Page 260: ...3 7 3 5 70 A R410A R32...
Page 261: ...4 Pycck 8 1 1...
Page 262: ...ON OFF 5 13 13 16 17 25 C...
Page 264: ...7 FTX50K2V1B FTX60K2V1B FTX71K2V1B FTXP50K3V1B FTXP60K3V1B FTXP71K3V1B...
Page 265: ...8 Pycck AUTO 10 10 11 COMFORT 14 14 17 16 7 11 12 ECONO 15 13 16 17...
Page 266: ...9 1 2 2 AAA LR03 3 1 2 3 5 2 3 1 1 AAA LR03 1...
Page 267: ...10 Pycck...
Page 268: ...11 18 32 C 10 30 C 18 30 C 26 28 C 20 24 C 2 21...
Page 269: ...12 Pycck...
Page 270: ...13 2...
Page 271: ...14 Pycck 14 20...
Page 272: ...15 15 2 5 C...
Page 273: ...16 Pycck 1 1 12...
Page 274: ...17 1 1 12 2 1 7 2 3 0 5 C 2 0 C...
Page 275: ...18 Pycck 5 C 5 C...
Page 276: ...19 A A B C D B C D B C D A A A A A B C D A A B C D...
Page 280: ...23 40 C 2 24 6 3 25 25 FTX50K2V1B FTX60K2V1B FTX71K2V1B FTXP50K3V1B FTXP60K3V1B FTXP71K3V1B...
Page 281: ...24 Pycck 1 2 3 2 4 5 FTX50K2V1B FTX60K2V1B FTX71K2V1B FTXP50K3V1B FTXP60K3V1B FTXP71K3V1B...
Page 283: ...26 Pycck 1 2 3 1 1 2087 5 1 675 R410A R32 W 22 eq 7 9 7 3 9 7 3 9 22...
Page 284: ...27 3 4 12...
Page 285: ...28 Pycck 31 3 31 1 1 4 1 15...
Page 286: ...29 AAA LR03 9 AAA LR03 9 10 46 C 18 32 C 80 15 24 C 10 30 C...
Page 287: ...30 Pycck 3 Pb 0 004...
Page 289: ...32 Pycck 2MXM A 1 2...
Page 322: ......
Page 323: ......