Daikin FTXD50JV1B [95/164] Troubleshooting

Daikin FTXD50JV1B [95/164] Troubleshooting
SiBE04-101 Troubleshooting
Service Diagnosis 87
4. Troubleshooting
4.1 Indoor Units
- : Not used for troubleshooting
: Varies depending on the cases.
Indication on the
remote controller
Description of the Fault Details of fault
(Refer to the
indicated
page.)
00 OR Indoor unit in normal condition (Conduct a diagnosis of the outdoor unit.)
A1 Inverter unit - Faulty indoor unit PCB 89
A5 Operation halt due to the freeze protection function or high pressure
control
90
A6 Faulty fan motor (DC motor stop) DC motor 91
A6 Faulty fan motor (AC motor stop) AC motor 93
C4 Heat exchanger temperature thermistor or related abnormality 94
C9 Suction air thermistor or related abnormality 94
CA Discharge air thermistor or related abnormality 94
Faulty indoor unit PCB 95
96
OR U4 Faulty power supply or indoor unit PCB 97
U4 Signal transmission error (between indoor and outdoor units) 98
UA Faulty indoor / outdoor power supply specification 99
OR E8 Operation halt due to detection of input overcurrent 106
E5 Stoppage by OL actuation/Melt-down by temperature fuse 102
E6 Opeartion halt due to compressor seizing 104
E7 DC fan motor seizing 105
F3 Abnormal discharge pipe temperature 101
H6 Operation halt due to faulty position detection sensor 108
H8 Operation halt due to detection of CT abnormality 109
H9 Operation halt due to outside air thermistor abnormality 112
J3 Operation halt due to discharge pipe thermistor abnormality, or due to
detection of disconnected discharge pipe thermistor
112
J6 Operation halt due to outdoor unit heat exchanger thermistor abnormality 112
L5 Operation halt due to detection of output overcurrent 110
U0 Operation halt due to detection of insufficient gas 113
U2 Main circuit overvoltage or low voltage 115
SiBE04-101.book Page 87 Monday, October 15, 2001 3:08 PM

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