Daikin ERQ Service Manual page 257

ESIE09-05
A
A0 .........................................................................165
A1 .........................................................................166
A6 .........................................................................167
A8 .........................................................................168
A9 .........................................................................169
Abnormal Discharge Pipe Temperature ...............190
Abnormal Power Supply Voltage .........................168
About Refrigerant R-410A ....................................238
Actuation of High Pressure Switch .......................182
Actuation of Low Pressure Sensor .......................184
AJ .........................................................................171
C
C1 .........................................................................172
C4 .........................................................................174
C5 .........................................................................175
C6 .........................................................................176
C9 .........................................................................177
CA ........................................................................178
CC ........................................................................179
Check for causes of drop in low pressure ............225
Check for causes of rise in high pressure ............224
Check Operation ....................................................87
Check Operation not Executed ............................211
CJ .........................................................................180
Compressor PI Control ...........................................24
Contents of Control Modes ....................................99
Cool / Heat Mode Switching .................................109
Cooling Operation Fan Control ..............................25
D
Defrosting Operation ..............................................29
Demand Operation .................................................37
Discharge Pipe Protection Control .........................35
Display "Under Host Computer Integrate Control"
Blinks (Repeats Double Blink) ......................223
Display "Under Host Computer Integrate Control"
Blinks (Repeats Single Blink) ........................220
E
E1 .........................................................................181
E3 .........................................................................182
E4 .........................................................................184
E5 .........................................................................186
E7 .........................................................................187
E9 .........................................................................188
Electrical and Functional Parts
Outdoor Unit ....................................................14
Error of External Protection Device ......................165
Excessive Number of AHUs .................................215
F
F3 .........................................................................190
F6 .........................................................................191
Failure of Combination (Between AHU PC Board and
Fan PC Board) ..............................................176
Failure of Transmission (Between AHU PC Board and
Index
Fan PC Board) ............................................. 172
Fan Motor (M1F) Lock, Overload ........................ 167
Field Setting .......................................................... 92
Field Setting from Outdoor Unit ........................... 100
Field Setting from Remote Controller .................... 92
Freeze Prevention ................................................. 40
Functional Parts Layout ........................................ 18
H
H9 ........................................................................ 192
Heating Operation Prohibition ............................... 37
High Pressure Protection Control .......................... 33
High Voltage of Capacitor in Main Inverter
Circuit ........................................................... 206
I
Inverter Compressor Abnormal ........................... 202
Inverter Compressor Motor Lock ......................... 186
Inverter Current Abnormal ................................... 203
Inverter Protection Control .................................... 36
Inverter Start up Error ......................................... 204
J
J3 ........................................................................ 193
J5 ........................................................................ 194
J6 ........................................................................ 195
J7 ........................................................................ 196
J9 ........................................................................ 197
JA ........................................................................ 198
JC ........................................................................ 199
L
L1 ........................................................................ 200
L4 ........................................................................ 201
L5 ........................................................................ 202
L8 ........................................................................ 203
L9 ........................................................................ 204
LC ........................................................................ 205
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure .............. 207
Low Pressure Protection Control .......................... 34
M
Malfunction code indication by outdoor unit PC
board ............................................................ 161
Malfunction of Capacity Determination Device .... 171
Malfunction of Discharge Pipe Thermistor (R2T) 193
Malfunction of High Pressure Sensor .................. 198
Malfunction of Humidity Sensor System .............. 179
Malfunction of Inverter Radiating Fin Temperature
Rise .............................................................. 201
Malfunction of Low Pressure Sensor .................. 199
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E) .................................................. 169
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E, Y3E) ......................................... 188
Malfunction of Outdoor Unit Fan Motor ............... 187
Malfunction of PC Board ..................................... 200
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