Drawings & Flow Charts - Daikin ERSQ 011AAV1 Service Manual

ESIE09-08
Drawings & Flow Charts
A
abnormal discharge pipe temperature .........161, 162
actuation of high pressure switch .................144, 146
actuation of low pressure sensor .................149, 151
C
check for causes of drop in low pressure .............207
check for causes of rise in high pressure .............206
check for fan motor connector ..............................208
check operation ......................................................78
check work prior to turn power supply on ...............72
communication error between outdoor and indoor unit
.......................................................................203
compressor motor lock .........................................154
contents of control modes
how to select operation mode ........................104
F
failure of transmission (between indoor unit pc board
and control pc board) ....................................135
field setting from outdoor unit ...............................104
freeze prevention ...................................................64
functional parts layout ............................................16
H
high pressure protection control .............................56
high voltage of capacitor in main inverter circuit .188,
189
I
inverter compressor abnormal .....................179, 180
inverter compressor motor lock ............................153
inverter current abnormal .............................181, 182
inverter protection control .......................................61
inverter start up error ....................................183, 184
L
leaving water thermistor error r5t .........................140
low pressure drop due to refrigerant shortage or elec-
tronic expansion valve failure ........................191
M
malfunction of capacity determination device ......134
malfunction of discharge pipe thermistor (r2t) ......164
malfunction of discharge pipe thermistor (r6t) ......165
malfunction of high pressure sensor ............171, 172
malfunction of inverter radiating fin temperature rise .
177, ...............................................................178
malfunction of low pressure sensor ..............173, 174
malfunction of moving part of electronic expansion
valve (k1e) ....................................................132
malfunction of moving part of electronic expansion
valve (y1e, y3e) .....................................157, 159
malfunction of outdoor unit fan motor ...................155
Drawings & Flow Charts
malfunction of system, refrigerant system address un-
defined ......................................................... 205
malfunction of tank thermistor (r3t) ...................... 138
malfunction of thermistor (r1t) for outdoor air ...... 163
malfunction of thermistor (r3t) liquid thermistor r-410a
...................................................................... 137
malfunction of thermistor (r3t, r5t) for suction pipe 1, 2
...................................................................... 166
malfunction of thermistor (r4t) ............................. 170
malfunction of thermistor (r6t) ............................. 168
malfunction of thermistor (r7t) for outdoor unit liquid
pipe .............................................................. 169
malfunction of thermistor (r7t) for suction pipe 1, 2 ...
167
malfunction of thermostat sensor in remote control ..
141
malfunction of transmission between indoor units and
outdoor units ........................................ 197, 199
malfunction of transmission between inverter and con-
trol pc board ......................... 185, 186, 187, 190
malfunction of transmission between main and sub re-
mote controls ................................................ 202
malfunction of transmission between outdoor units ..
201
malfunction of transmission between remote control
and indoor unit ............................................. 200
method of replacing the inverter's power transistors
modules ........................................................ 233
O
operation mode ..................................................... 48
operation of the remote controller's inspection / test
operation button ........................................... 121
outdoor unit pc board layout .................................. 80
P
pc board defect ................................... 130, 142, 143
pcb layout for ekhbrd 011/014/016 aav1 ............... 30
piping diagrams ................................................... 210
power supply insufficient or instantaneous failure .....
193, .............................................................. 195
pressure sensor .................................................. 232
pump error (m1p) or other water system error .... 131
R
refrigerant circuit ................................................... 12
remote control service mode ............................... 122
remote controller self-diagnosis function ............. 124
return water thermistor ........................................ 139
S
self-diagnosis by wired remote control ................ 120
setting .................................................................... 83
setting of refrigerant additional charging operation ...
iii