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ERROR CODE
H9
J1
J3
J5
J6
J7
J8
J9
L1
L3
L4
L5
L8
L9
LC
P1
P4
PJ
U0
U2
U4
U7
UA
UF
UH
NOTE
1. A short beep and two consecutive beeps indicate non-corresponding codes.
2. To cancel the code display, hold the ON TIMER CANCEL button or OFF TIMER CANCEL button
down for 5 seconds. The code display also cancel itself if the button is not pressed for 1 minute.
OUTDOOR AIR THERMISTOR SHORT/OPEN
PRESSURE SENSOR ERROR
COMPRESSOR DISCHARGE PIPE THERMISTOR SHORT/OPEN/MISPLACED
SUCTION PIPE THERMISTOR SHORT/OPEN
OUTDOOR HEAT EXCHANGER THERMISTOR SHORT/OPEN
SUBCOOLING HEAT EXCHANGER THERMISTOR SHORT/OPEN
LIQUID PIPE THERMISTOR SHORT/OPEN
GAS PIPE THERMISTOR SHORT/OPEN
INVERTER OUTDOOR PCB ERROR
OUTDOOR CONTROL BOX OVERHEAT
HEAT SINK OVERHEAT
IPM ERROR/IGBT ERROR
INVERTER COMPRESSOR OVERCURRENT
COMPRESSOR OVERCURRENT PREVENTION
COMMUNICATION ERROR (OUTDOOR CONTROL PCB AND INVERTER PCB)
OPEN PHASE OR VOLTAGE UNBALANCE
HEAT SINK THERMISTOR SHORT/OPEN
CAPACITY SETTING ERROR
INSUFFICIENT GAS
DC VOLTAGE OUT OF RANGE
COMMUNICATION ERROR
COMMUNICATION ERROR (OUTDOOR CONTROL PCB AND IPM PCB)
INSTALLATION ERROR
PIPING & WIRING INSTALLATION MISMATCH/WRONG WIRING/INSUFFICIENT GAS
ANTIFREEZE (OTHER ROOMS)
MEANING
5
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