Daikin E-Series Service Manual page 450

SiAU18-715
Drawings & Flow Charts
Numerics
3-D airflow ............................................................101
A
abnormal discharge pipe temperature .................366
actuation of high pressure switch .........................358
actuation of low pressure sensor .........................360
address duplication of central remote controller ..397
address setting .....................................................158
after setting ..........................................................159
ARC433 ................................................................305
ARC452A .............................................................306
automatic air flow control .....................................102
automatic operation ..............................................104
auto-swing ............................................................101
B
buzzer PCB ............................................................45
C
centralized group No. setting ...............................160
check for causes of drop in low pressure .............403
check for causes of rise in high pressure .............402
check for fan motor connector ..............................404
check operation ....................................................131
check operation not executed ..............................389
check work prior to turn power supply on .............128
compressor motor lock .........................................362
compressor PI control
cooling operation .............................................79
heating operation .............................................80
condensation avoidance control (FHQ only) ........117
control PCB (A1P) ..................................................37
control PCB (A1P) (indoor unit) ..................58, 61, 63
control PCB (indoor unit) ..........43, 45, 46, 49, 53, 55
cool/heat selector PCB (A4P) ................................40
cooling operation fan control ..................................82
D
dew condensation prevention control .....................94
diagnosis mode ....................................................307
discharge pipe protection control ...........................91
display PCB ....................................43, 45, 47, 50, 53
display PCB (A3P) .................................................59
display PCB (A4P) ...........................................56, 64
drain pump control ...............................................117
E
econo mode .........................................................107
excessive number of indoor units .........................396
F
fan motor connector output check ................328, 348
fan motor or related abnormality
AC motor .......................................................324
Drawings & Flow Charts
DC motor ...................................................... 325
faulty BP liquid or gas pipe thermistor ................. 352
faulty BP unit PCB ............................................... 351
faulty combination of inverter and fan driver ....... 384
faulty outdoor unit PCB ....................................... 357
field setting
cool/heat mode switching ............................. 143
setting by dip switches .................................. 134
wired remote controller ................................. 153
wireless remote controller ............................. 154
freeze-up protection control .......................... 93, 116
freeze-up protection control or
high pressure control .................................... 322
full closing of electronic expansion valves ............. 98
function outline .................................................... 114
functional parts layout ........................................... 69
H
Hall IC check ....................................................... 330
high pressure protection control ............................ 89
high voltage of capacitor
in main inverter circuit .................................. 382
HOME LEAVE operation ..................................... 110
hot start function .................................................. 112
I
indoor unit fan motor lock .................................... 335
indoor unit PCB abnormality ....................... 321, 331
inspection/test button .......................................... 310
INTELLIGENT EYE ............................................. 108
INTELLIGENT EYE sensor PCB ..................... 43, 45
inverter compressor abnormal ............................. 378
inverter current abnormal .................................... 379
inverter POWERFUL operation ........................... 111
inverter protection control ...................................... 92
inverter start up error ........................................... 380
J
jumper settings .................................................... 163
L
location of operation lamp ................................... 301
low pressure drop due to refrigerant shortage or
electronic expansion valve failure ................ 385
low pressure protection control ............................. 90
M
main/sub switch (SS1) ........................................ 157
maintenance mode setting .................................. 161
malfunction of capacity setting ............................ 340
malfunction of discharge pipe thermistor (R2T) .. 369
malfunction of drain system ................................ 334
malfunction of drain water level system .............. 332
malfunction of electronic expansion valve ........... 350
malfunction of field setting switch ........................ 347
vii