Daikin FTX09AXVJU Operating Manual page 25

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
After connecting to wireless LAN adapter, remote controller settings prevail over WLAN apps
setting.
Outdoor air thermistor short/open
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
Inverter compressor overcurrent
Compressor overcurrent prevention
Communication error (outdoor control PCB and inverter PCB)
Open phase or voltage unbalance
Heat sink thermistor short / open
DC voltage out of range
Communication error (outdoor control PCB and IPM PCB)
Piping & wiring installation mismatch / wrong wiring / insufficient gas
Antifreeze (other rooms)
Meaning
Pressure sensor error
Heat sink overheat
IPM error / IGBT error
Capacity setting error
Insufficient gas
Communication error
Installation error
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