Index; M8" Malfunction Of Transmission Between Optional Controllers For Centralized Control - Daikin REYQ72 Serveice Manual

SiUS39-602
Symbols
"E7"Malfunction of Outdoor Unit Fan Motor ......... 147
"F6"Refrigerant Overcharged .............................. 152
"H7"Abnormal Outdoor Fan Motor Signal ............ 153
"H9" Outdoor Unit
Malfunction of Thermistor for Outdoor Air
(R1T) ................................................ 154
"J2"Current Sensor Malfunction ........................... 155
"J3" Outdoor Unit
Malfunction of Discharge Pipe Thermistor
(R31~32T) ........................................ 156
"J4" Malfunction of Heat Exchanger Gas Pipe
Thermistor (R81, 82T) .................................. 157
"J8" Malfunction of Oil Equalizing Pipe Thermistor
(R7T) ............................................................ 161
"J9"Malfunction of Sub-cooling Heat Exchanger Gas
Pipe Thermistor (R5T) .................................. 162
"M1"PC Board Defect .................................. 194, 201
"M8"Malfunction of Transmission Between Optional
Controllers for Centralized Control ............... 195
"M8"Malfunction of Transmission between Optional
Controllers for Centralized Control ............... 202
"MA"Improper Combination of Optional Controllers for
Centralized Control ............................... 196, 203
"MC"Address Duplication,
Improper Setting ................................... 198, 205
"U0" Low Pressure Drop due to Refrigerant Shortage
or Electronic Expansion Valve Failure .......... 174
"U1"Outdoor Unit
Reverse Phase, Open Phase ........................ 175
"U2"Outdoor Unit
Power Supply Insufficient or Instantaneous
Failure .............................................. 176
"U3"Check Operation not Executed ..................... 178
"U4"Malfunction of Transmission between Indoor
Units ............................................................. 179
"U5"Malfunction of Transmission between Remote
Controller and Indoor Unit ............................ 181
"U7"Malfunction of Transmission between Outdoor
Units ............................................................. 182
"U8"Malfunction of Transmission between MAIN and
SUB Remote Controllers .............................. 184
"U9"Malfunction of Transmission between Indoor
Units and Outdoor Units in
the Same System ......................................... 185
"UC"Address Duplication of Centralized Remote
Controller ...................................................... 188
"UE"Malfunction of Transmission between
Centralized Controller and
Indoor Unit ............................................ 189, 199
"UF" System is not Set yet ................................... 191

Index

"UH"Malfunction of System, Refrigerant System
Address Undefined ....................................... 192
A
A0 ........................................................................ 127
A1 ........................................................................ 128
A3 ........................................................................ 129
A6 ........................................................................ 131
A7 ........................................................................ 132
A9 ........................................................................ 134
Abnormal Discharge Pipe Temperature .............. 151
About Refrigerant R-410A ................................... 246
Actuation of High Pressure Switch ...................... 143
Actuation of Low Pressure Sensor ...................... 144
Additional refrigerant charge operation setting ...... 95
Address Duplication, Improper Setting ........ 198, 205
AF ........................................................................ 136
Air Flow Direction Setting ...................................... 85
AJ ......................................................................... 137
Applicable Range of Field Setting .......................... 83
Auto restart after power failure reset ..................... 84
B
Basic Control ......................................................... 40
C
C4 ........................................................................ 138
C5 ........................................................................ 139
C9 ........................................................................ 140
Capacity precedence setting ................................. 96
Centralized Control Group No. Setting .................. 86
Check No. 12 ....................................................... 213
Check No. 13 ....................................................... 213
Check No. 8 ......................................................... 212
Check No. 9 ......................................................... 212
Check Operation .................................................... 75
CJ ........................................................................ 141
Compressor Motor Lock (INV Compressor) ........ 145
Compressor Motor Overcurrent/Lock (STD
Compressor) ................................................. 146
Compressor PI Control .......................................... 41
Contents of Control Modes .................................... 89
Continuous demand setting ................................... 96
Cool/Heat Mode Switching .................................... 99
Cooling Operation Fan Control .............................. 46
D
Defrost setting ........................................................ 95
Defrosting Operation .............................................. 52
Demand Operation ................................................ 67
Demand setting ...................................................... 96
Index
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