Daikin FTX-N/U Manual page 253

FTX-N/U, FVXS-N, FDMQ-R Series
SYSTEM
INDOOR
UNIT
OUTDOOR
UNIT
NOTE
• A short beep and 2 consecutive beeps indicate non-corresponding codes.
• To cancel the code display, hold
01_EN_3P572320-1.indd 36
„ Fault diagnosis by remote controller
• The remote controller can receive relevant error codes from the indoor unit.
1.
When
" " blinks in the temperature display section.
2.
Press
produced�
• The code indication changes as shown below, and notifies you with a long beep.
CODE
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 PCB DEFECTIVENESS
A1
HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
A5
A6 FAN MOTOR FAULT
C4 FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
C9 FAULTY SUCTION AIR TEMPERATURE SENSOR
EA COOLING-HEATING SWITCHING ERROR
E1 CIRCUIT BOARD FAULT
OL STARTED
E5
FAULTY COMPRESSOR START UP
E6
E7 DC FAN MOTOR FAULT
E8 OVERCURRENT INPUT
F3 HIGH TEMPERATURE DISCHARGE PIPE CONTROL
F6 HIGH PRESSURE CONTROL (IN COOLING)
H0 SENSOR FAULT
OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR
H6
DC CURRENT SENSOR FAULT
H8
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
OUTPUT OVERCURRENT
L5
FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
P4
down for about 5 seconds. The code display also clears if no button is pressed for 1 minute.
is held down for about 5 seconds,
repeatedly until a long beep is
MEANING
251
EDUS091558E
When the Need Arises
36
3P572320-1
2019/06/10 17:01:18