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When the Need Arises
38
English
CODE
MEANING
SYSTEM
00
NORMAL
UA
INDOOR-OUTDOOR UNIT COMBINATION FAULT
U0
REFRIGERANT SHORTAGE
U2
OVER-VOLTAGE DETECTION
U4
SIGNAL TRANSMISSION ERROR (BETWEEN INDOOR AND OUTDOOR UNIT)
INDOOR
UNIT
A1
INDOOR UNIT PCB ABNORMALITY
A6
FAN MOTOR (DC MOTOR) ABNORMALITY
C4
INDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY
C9
ROOM TEMPERATURE THERMISTOR ABNORMALITY
OUTDOOR
UNIT
EA
FOUR WAY VALVE ABNORMALITY
E1
OUTDOOR UNIT PCB ABNORMALITY
E3
HIGH PRESSURE SWITCH (HPS) ACTIVATED
E5
OL ACTIVATION (COMPRESSOR OVERLOAD)
E6
COMPRESSOR LOCK
E7
DC FAN LOCK
F3
DISCHARGE PIPE TEMPERATURE CONTROL
H0
COMPRESSOR SYSTEM SENSOR ABNORMALITY
H6
POSITION SENSOR ABNORMALITY
H8
DC VOLTAGE / CURRENT SENSOR ABNORMALITY
H9
OUTDOOR TEMPERATURE THERMISTOR ABNORMALITY
J3
DISCHARGE PIPE THERMISTOR ABNORMALITY
J6
OUTDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY
L3
ELECTRICAL PARTS HEAT FAULT
L4
RADIATION FIN TEMPERATURE RISE
L5
OUTPUT OVERCURRENT DETECTION
P4
RADIATION FIN THERMISTOR ABNORMALITY
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.
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2022/06/01 15:31:37