Daikin FTXB50C, Operating Manual

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4
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.
NOTE
ERROR CODE MEANING
H9 OUTDOOR AIR THERMISTOR SHORT/OPEN
J1 PRESSURE SENSOR ERROR
J3 COMPRESSOR DISCHARGE PIPE THERMISTOR SHORT/OPEN/MISPLACED
J5 SUCTION PIPE THERMISTOR SHORT/OPEN
J6 OUTDOOR HEAT EXCHANGER THERMISTOR SHORT/OPEN
J7 SUBCOOLING HEAT EXCHANGER THERMISTOR SHORT/OPEN
J8 LIQUID PIPE THERMISTOR SHORT/OPEN
J9 GAS PIPE THERMISTOR SHORT/OPEN
L1 INVERTER OUTDOOR PCB ERROR
L3 OUTDOOR CONTROL BOX OVERHEAT
L4 HEAT SINK OVERHEAT
L5 IPM ERROR/IGBT ERROR
L8 INVERTER COMPRESSOR OVERCURRENT
L9 COMPRESSOR OVERCURRENT PREVENTION
LC COMMUNICATION ERROR (OUTDOOR CONTROL PCB AND INVERTER PCB)
P1 OPEN PHASE OR VOLTAGE UNBALANCE
P4 HEAT SINK THERMISTOR SHORT/OPEN
PJ CAPACITY SETTING ERROR
U0 INSUFFICIENT GAS
U2 DC VOLTAGE OUT OF RANGE
U4 COMMUNICATION ERROR
U7 COMMUNICATION ERROR (OUTDOOR CONTROL PCB AND IPM PCB)
UA INSTALLATION ERROR
UF PIPING & WIRING INSTALLATION MISMATCH/WRONG WIRING/INSUFFICIENT GAS
UH ANTIFREEZE (OTHER ROOMS)
1-OM-GS02-1011(4)DAIKIN-EN.indd Sec1:4 1-OM-GS02-1011(4)DAIKIN-EN.indd Sec1:4 4/28/14 3:25:09 PM 4/28/14 3:25:09 PM