Daikin RXYQ5-48MAY1 Service Manual page 347

L
L4 .........................................................................218
L5 .........................................................................219
L8 .........................................................................220
L9 .........................................................................221
LC .........................................................................222
List of Electrical and Functional Parts ..................301
Indoor Unit .....................................................303
Outdoor Unit ..................................................301
Louver Control for Preventing Ceiling Dirt ............105
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure ..............226
Low Pressure Protection Control ...........................95
M
M1 ................................................................246, 253
M8 ................................................................247, 254
MA ................................................................248, 255
Malfunction code indication by
outdoor unit PCB ...........................................180
Malfunction of Capacity Determination Device ....192
Malfunction of Discharge Pipe
Pressure Sensor ...........................................216
Malfunction of Discharge Pipe Thermistor
(R3, R31~33T) ..............................................211
Malfunction of Drain Level Control System
(S1L) .............................................................184
Malfunction of Inverter Radiating Fin
Temperature Rise .........................................218
Malfunction of Inverter Radiating Fin
Temperature Rise Sensor .............................225
Malfunction of Moving Part of Electronic
Expansion Valve (20E) .................................189
Malfunction of Moving Part of Electronic
Expansion Valve (Y1E, Y2E) ........................204
Malfunction of Oil Equalizing Pipe Thermistor
(R7T) .............................................................214
Malfunction of Outdoor Unit Fan Motor ................202
Malfunction of Receiver Gas Pipe Thermistor
(R5T) .............................................................215
Malfunction of Suction Pipe Pressure Sensor ......217
Malfunction of Swing Flap Motor (MA) .................187
Malfunction of System, Refrigerant System
Address Undefined .......................................244
Malfunction of Thermistor (R1T) for
Suction Air .....................................................195
Malfunction of Thermistor (R2T) for
Heat Exchanger ............................................193
Malfunction of Thermistor (R2T) for
Suction Pipe ..................................................212
Malfunction of Thermistor (R3T) for Gas Pipes ....194
Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger .......................213
Malfunction of Thermistor for Outdoor Air
(R1T) .............................................................209
Malfunction of Thermostat Sensor in
Remote Controller .........................................196
Malfunction of Transmission Between Central
Remote Controller and
Indoor Unit ....................................241, 245, 251
ii
Malfunction of Transmission Between Indoor and
Outdoor Units in the Same System .............. 237
Malfunction of Transmission Between
Indoor Units .................................................. 231
Malfunction of Transmission Between
Inverter and Control PC Board ..................... 222
Malfunction of Transmission Between
Master and Slave Remote Controllers ......... 236
Malfunction of Transmission Between Optional
Controllers for Centralized Control ....... 247, 254
Malfunction of Transmission Between
Outdoor Units ............................................... 234
Malfunction of Transmission Between
Remote Controller and Indoor Unit .............. 233
MC ............................................................... 250, 257
Method of Replacing The Inverter's Power
Transistors and Diode Modules ................... 322
O
Oil Return Operation ............................................. 86
Operation Lamp Blinks ........................................ 258
Operation Mode .................................................... 75
Operation When Power is Turned On ................. 120
Option List ........................................................... 309
Other Control ......................................................... 99
Outdoor Air Processing Unit-Field Setting ........... 130
Outdoor Unit Fan Control in Cooling Operation .... 84
Outdoor Unit PC Board Layout ........................... 121
Outdoor Unit Rotation ........................................... 99
P
P1 ........................................................................ 224
P4 ........................................................................ 225
PC Board Defect ......................... 183, 197, 246, 253
Piping Installation Point ....................................... 312
The Example of A Wrong Pattern ................. 313
Power Supply Insufficient or
Instantaneous Failure ................................... 228
Precautions for New Refrigerant (R410A) ........... 326
Pressure Equalization prior to Startup .................. 93
Pressure Sensor ................................................. 321
Procedure and Outline ........................................ 116
Protection Control ................................................. 94
Pump-down Residual Operation ........................... 89
R
Refrigerant Circuit ................................................. 50
FXMQ125MFV1~250MFV1 ............................ 56
RXYQ14MA, 16MA ......................................... 54
RXYQ5MA ...................................................... 50
RXYQ8MA, 10MA, 12MA ............................... 52
Refrigerant Cylinders .......................................... 328
Refrigerant Flow for Each Operation Mode ........... 60
RXYQ14MA, 16MA ......................................... 68
RXYQ5MA ...................................................... 60
RXYQ8MA, 10MA, 12MA ............................... 64
Refrigerant Overcharged ..................................... 207
Refrigerant System not Set, Incompatible Wiring/
Piping ........................................................... 243
Restart Standby .................................................... 90
Reverse Phase, Open Phase .............................. 227
Si39-407
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