Daikin REYQ72 Serveice Manual

Also see for BSVQ36MVJU: Installation manual Serivce manual Service manual Design, Installation & Testing Instruction

Contents

Daikin REYQ72 Serveice Manual Manual pdf 266 page image

SiUS39-602Index iIndexSymbols“E7”Malfunction of Outdoor Unit Fan Motor ......... 147“F6”Refrigerant Overcharged .............................. 152“H7”Abnormal Outdoor Fan Motor Signal ............ 153“H9” Outdoor UnitMalfunction of Thermistor for Outdoor Air(R1T) ................................................ 154“J2”Current Sensor Malfunction ........................... 155“J3” Outdoor UnitMalfunction of Discharge Pipe Thermistor(R31~32T) ........................................ 156“J4” Malfunction of Heat Exchanger Gas PipeThermistor (R81, 82T) .................................. 157“J8” Malfunction of Oil Equalizing Pipe Thermistor(R7T) ............................................................ 161“J9”Malfunction of Sub-cooling Heat Exchanger GasPipe Thermistor (R5T) .................................. 162“M1”PC Board Defect .................................. 194, 201“M8”Malfunction of Transmission Between OptionalControllers for Centralized Control ............... 195“M8”Malfunction of Transmission between OptionalControllers for Centralized Control ............... 202“MA”Improper Combination of Optional Controllers forCentralized Control ............................... 196, 203“MC”Address Duplication,Improper Setting ................................... 198, 205“U0” Low Pressure Drop due to Refrigerant Shortageor Electronic Expansion Valve Failure .......... 174“U1”Outdoor UnitReverse Phase, Open Phase ........................ 175“U2”Outdoor UnitPower Supply Insufficient or InstantaneousFailure .............................................. 176“U3”Check Operation not Executed ..................... 178“U4”Malfunction of Transmission between IndoorUnits ............................................................. 179“U5”Malfunction of Transmission between RemoteController and Indoor Unit ............................ 181“U7”Malfunction of Transmission between OutdoorUnits ............................................................. 182“U8”Malfunction of Transmission between MAIN andSUB Remote Controllers .............................. 184“U9”Malfunction of Transmission between IndoorUnits and Outdoor Units inthe Same System ......................................... 185“UC”Address Duplication of Centralized RemoteController ...................................................... 188“UE”Malfunction of Transmission betweenCentralized Controller andIndoor Unit ............................................ 189, 199“UF” System is not Set yet ................................... 191“UH”Malfunction of System, Refrigerant SystemAddress Undefined ....................................... 192AA0 ........................................................................ 127A1 ........................................................................ 128A3 ........................................................................ 129A6 ........................................................................ 131A7 ........................................................................ 132A9 ........................................................................ 134Abnormal Discharge Pipe Temperature .............. 151About Refrigerant R-410A ................................... 246Actuation of High Pressure Switch ...................... 143Actuation of Low Pressure Sensor ...................... 144Additional refrigerant charge operation setting ...... 95Address Duplication, Improper Setting ........ 198, 205AF ........................................................................ 136Air Flow Direction Setting ...................................... 85AJ ......................................................................... 137Applicable Range of Field Setting .......................... 83Auto restart after power failure reset ..................... 84BBasic Control ......................................................... 40CC4 ........................................................................ 138C5 ........................................................................ 139C9 ........................................................................ 140Capacity precedence setting ................................. 96Centralized Control Group No. Setting .................. 86Check No. 12 ....................................................... 213Check No. 13 ....................................................... 213Check No. 8 ......................................................... 212Check No. 9 ......................................................... 212Check Operation .................................................... 75CJ ........................................................................ 141Compressor Motor Lock (INV Compressor) ........ 145Compressor Motor Overcurrent/Lock (STDCompressor) ................................................. 146Compressor PI Control .......................................... 41Contents of Control Modes .................................... 89Continuous demand setting ................................... 96Cool/Heat Mode Switching .................................... 99Cooling Operation Fan Control .............................. 46DDefrost setting ........................................................ 95Defrosting Operation .............................................. 52Demand Operation ................................................ 67Demand setting ...................................................... 96