When the Need Arises
32
English
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
E3*
HIGH PRESSURE SWITCH (HPS) ACTIVATED
E5
OL (COMPRESSOR OVERLOAD) STARTED, HIGH PRESSURE SWITCH (HPS) ACTIVATED*
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
*The contents of the error differ depending on the connected outdoor unit.
The OPERATION lamp is ON.
If the OPERATION lamp does not blink after operating for a while, continue to
operate with no change.
If the OPERATION lamp blinks again
Turn off the circuit breaker and call your dealer.
01_EN_3P686870-1.indd 32
2022/06/03 15:51:01
