Daikin FVXS25FV1B Service Manual page 212

SiBE06-708
power transistor check ..........................................143
POWERFUL operation......................................28, 48
preheating operation ...............................................35
pressure equalization control ..................................44
printed circuit board (PCB)
control PCB ......................................................13
control PCB (outdoor unit) ................................15
display PCB ......................................................13
filter PCB ..........................................................15
main PCB (outdoor unit) ...................................17
sensor PCB ......................................................13
service monitor PCB .........................................17
service PCB ......................................................13
problem symptoms and measures ..........................83
program dry function ...............................................24
propeller fan ..........................................................171
R
radiation fin temperature rise ................................123
radiation fin thermistor...........................................120
remote controller .....................................................84
right side panel......................................................174
room temperature thermistor...................................93
S
S1............................................................................12
S10....................................................................14, 16
S101........................................................................16
S102................................................................16, 177
S11..........................................................................14
S20............................................................14, 16, 175
S21..........................................................................12
S26..........................................................................12
S27..........................................................................12
S30..........................................................................14
S40............................................................14, 16, 175
S41..........................................................................12
S42..........................................................................12
S46..........................................................................12
S47..........................................................................12
S48..........................................................................12
S49..........................................................................12
S51..........................................................................16
S52..................................................................16, 177
S70............................................................14, 16, 170
S80............................................................14, 16, 175
S90............................................................14, 16, 175
safety precautions ...................................................53
self-diagnosis digital display....................................30
sensor malfunction detection ..................................46
sensor PCB .............................................................13
service check function.............................................84
service monitor PCB ...............................................17
service PCB ............................................................13
shelter ...................................................................169
signal receiving sign................................................29
signal transmission error .........................................94
signal transmission error on outdoor unit PCB......135
sound blanket........................................................180
specifications.............................................................6
starting operation control.........................................44
Index
stop valve cover ................................................... 168
SW1 ................................................................. 12, 16
SW2 ....................................................................... 12
SW4 ....................................................................... 12
switch B .................................................................. 49
T
terminal cover....................................................... 184
test run ................................................................. 188
thermistor
discharge pipe thermistor .......... 31, 44, 120, 181
indoor heat exchanger thermistor .............. 31, 93
outdoor air temperature thermistor ................ 120
outdoor heat exchanger thermistor
............................................ 31, 120, 181
radiation fin thermistor ................................... 120
room temperature thermistor ........................... 93
thermistor or related abnormality (indoor unit) ....... 93
thermistor or related abnormality (outdoor unit) ... 119
thermistor resistance check ................................. 139
thermostat control .................................................. 26
top panel .............................................................. 165
troubleshooting....................................................... 87
troubleshooting with the LED indication ................. 82
turning speed pulse input on the outdoor unit
PCB check .................................................... 145
U
U0................................................................. 129, 131
U2......................................................................... 133
U4........................................................................... 94
U7......................................................................... 135
UA .......................................................................... 96
unspecified voltage ................................................ 96
V
V1 ..................................................................... 12, 14
V11 ......................................................................... 16
V2 ..................................................................... 14, 16
V3 ..................................................................... 14, 16
V5 ........................................................................... 16
V6 ........................................................................... 16
varistor ............................................................. 12, 14
voltage detection function ...................................... 48
W
weekly timer ........................................................... 30
wide-angle louvres ................................................. 22
wiring diagrams .................................................... 195
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