Daikin FTKE25BVM, Service Manual

Page: 296 / 298

Si12-411A
Drawings & Flow Charts v
Drawings & Flow Charts
A
anti-icing function in other rooms ..........................205
automatic air flow control ........................................75
automatic operation.................................................77
auto-swing...............................................................74
B
buzzer PCB .............................................................62
C
capacitor voltage check.........................................213
compressor lock ....................................................184
compressor overload.............................................183
compressor protection function ...............................93
control PCB .......................................... 63
,
64
,
68
,
69
control PCB (indoor unit).........................................62
cooling / heating mode lock...................................108
CT or related abnormality......................................192
D
DC fan lock............................................................185
defrost control .........................................................97
discharge pipe control .............................................94
discharge pipe temperature control.......................190
discharge pressure check .....................................211
display PCB.......................................... 62
,
63
,
65
,
68
E
electrical box temperature rise ..............................196
electronic expansion valve check..........................207
electronic expansion valve control ..........................98
F
fan motor connector output check.........................206
fan motor or related abnormality
AC motor ........................................................174
DC motor ........................................................175
four way valve abnormality....................................188
four way valve performance check........................208
freeze-up protection control ........................... 95
,
181
freeze-up protection control or high pressure control
.......................................................................172
frequency control.....................................................91
frequency principle ..................................................72
function of thermistor...............................................86
cooling only model ............................................88
heat pump model ..............................................86
H
Hall IC check .........................................................215
heating peak-cut control..........................................95
HOME LEAVE operation.........................................81
I
indoor unit PCB abnormality .................................171
input current control ............................................... 94
input over current detection.................................. 186
installation condition check .................................. 210
insufficient gas ..................................................... 202
insufficient gas control.......................................... 103
INTELLIGENT EYE ................................................ 79
INTELLIGENT EYE sensor PCB............................ 62
inverter features ..................................................... 73
inverter powerful operation..................................... 82
inverter units refrigerant system check................. 212
L
limit switch continuity check ................................. 206
location of operation lamp .................................... 164
low Hz high pressure limit ...................................... 98
low-voltage detection ........................................... 204
M
main circuit electrolytic capacitor check ............... 214
main structural parts............................................... 85
mode hierarchy ...................................................... 90
N
night set mode........................................................ 78
O
OL activation ........................................................ 183
ON/OFF button on indoor unit ................................ 83
outdoor unit fan system check (with DC motor) ... 211
output over current detection ............................... 200
P
PCB ........................................................................ 59
PCB detail .............................................................. 60
piping diagrams
indoor units .................................................... 262
outdoor units .................................................. 266
position sensor abnormality ................................. 191
power supply PCB............................................ 65
,
67
power supply waveforms check ........................... 212
power transistor check ......................................... 213
priority room setting.............................................. 107
programme dry function ......................................... 76
R
radiation fin temperature rise ............................... 198
S
shutter drive motor / shutter limit switch abnormality
...................................................................... 178
signal receiver PCB.................................... 62
,
65
,
68
signal transmission error (between indoor and outdoor
units) ............................................................. 179