Daikin F-Series Service Manual page 276

SiBE12-712
P
P4 .........................................................................222
photocatalytic deodorizing filter ..............................71
PI control ................................................................78
piping diagrams ....................................................252
position sensor abnormality .................................219
power failure recovery function
...................................40, 42, 44, 46, 48, 51, 249
power supply PCB ..................................................49
power supply waveforms check ...........................242
power transistor check .........................................244
power-airflow dual flaps .........................................58
POWERFUL operation .................................126, 171
POWERFUL operation mode .................................91
preheating operation ..............................................80
preparation before operation ........................113, 164
pressure equalization control .................................87
preventing indoor freezing ......................................90
printed circuit board (PCB)
control PCB (indoor unit) ...41, 43, 45, 46, 49, 52
control PCB (outdoor unit) .......................54, 234
display PCB ...................................41, 47, 50, 52
INTELLIGENT EYE sensor PCB .........41, 43, 45
power supply PCB ...........................................49
sensor PCB .....................................................52
service PCB .....................................................52
signal receiver PCB .......................41, 43, 45, 50
printed circuit board connector wiring diagram ......40
problem symptoms and measures .......................194
programme dry function .........................................62
R
radiation fin temperature rise ...............................226
radiation fin thermistor ..........................................223
reduction motor ..............................................44, 207
remote controller ..................................................196
room temperature thermistor ................................206
RTH1 ....................................................40, 42, 44, 46
S
S1 ...................................................40, 42, 44, 46, 51
S20 .........................................................................53
S21 .....................................40, 42, 44, 46, 48, 51, 53
S24 .........................................................................48
S25 .........................................................................48
S26 .................................................40, 42, 46, 48, 51
S27 .......................................................40, 42, 48, 51
S28 .........................................................................40
S29 .........................................................................40
S31 .........................................................................48
S32 .................................................40, 42, 44, 46, 48
S35 ...................................................................40, 42
S36 .......................................................40, 42, 44, 48
S37 .........................................................................48
S40 .........................................................................53
S41 ...................................................................44, 51
S42 .........................................................................51
S45 .........................................................................53
S46 ...................................................................44, 51
S47 ...................................................................44, 51
S48 .........................................................................51
Index
S49 .................................................................. 44, 51
S51 ........................................................................ 44
S6 .............................................................. 40, 42, 48
S7 .............................................................. 42, 46, 48
S70 ........................................................................ 53
S80 ........................................................................ 53
S90 ........................................................................ 53
S91 ........................................................................ 53
S92 ........................................................................ 53
safety precautions ......................................... 96, 159
SC control ............................................................. 87
self-diagnosis digital display .................................. 72
sensor malfunction detection ................................ 89
sensor PCB ........................................................... 52
service check function ......................................... 195
service PCB .......................................................... 52
signal receiver PCB ............................. 41, 43, 45, 50
signal receiving sign .............................................. 71
signal transmission circuit abnormality ................ 234
starting control
indoor unit ....................................................... 60
starting operation .................................................. 87
SW1 .............................................. 40, 44, 46, 48, 51
SW2 ................................................................ 48, 51
SW4 ...................................................................... 51
SW7 ...................................................................... 42
T
test run ................................................................ 248
thermistor
discharge pipe thermistor ................... 73, 75, 87
functions ......................................................... 73
gas pipe thermistor ................................... 73, 75
indoor heat exchanger thermistor ............. 74, 75
liquid pipe thermistor ....................................... 74
outdoor heat exchanger thermistor ........... 73, 75
thermistor or related abnormality (indoor unit) .... 206
thermistor or related abnormality (outdoor unit) .. 222
thermistor resistance check ................................ 240
thermostat control ................................................. 64
TIMER operation ......................................... 137, 174
titanium apatite photocatalytic air-purifying filter ... 71
troubleshooting ............................................ 155, 186
troubleshooting with the LED indication .............. 193
turning speed pulse input on the outdoor unit PCB
check ............................................................ 245
U
U0 ........................................................................ 230
U2 ........................................................................ 232
U4 ........................................................................ 234
UA ....................................................................... 233
UH ....................................................................... 233
unspecified voltage (between indoor and outdoor
units) ............................................................ 233
V
V1 ...................................... 40, 42, 44, 46, 48, 51, 53
V3 .......................................................................... 53
V4 .......................................................................... 53
varistor .............................. 40, 42, 44, 46, 48, 51, 53
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