Daikin RXYSQ4-5-6PA7V1B Service Manual page 279

M
M1 ........................................................................207
M8 ........................................................................208
MA ........................................................................209
Malfunction code indication by outdoor unit
PC board .......................................................138
Malfunction of Capacity Determination Device ....153
Malfunction of Discharge Pipe Thermistor
(R2T) .............................................................175
Malfunction of Drain Level Control System
(S1L) .............................................................144
Malfunction of High Pressure Sensor ...................180
Malfunction of Humidity Sensor System ..............161
Malfunction of Inverter Radiating Fin Temperature
Rise ...............................................................183
Malfunction of Low Pressure Sensor ...................181
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E) ...................................................150
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E, Y3E) ..........................................170
Malfunction of Outdoor Unit Fan Motor ................169
Malfunction of PC Board ......................................182
Malfunction of Swing Flap Motor (M1S) ...............147
Malfunction of System, Refrigerant System Address
Undefined ......................................................205
Malfunction of Thermistor (R4T) ..........................179
Malfunction of Thermistor (R6T) ...........................177
Malfunction of Thermistor (R1T) for Suction Air ...159
Malfunction of Thermistor (R2T) for
Heat Exchanger ............................................156
Malfunction of Thermistor (R3T) for Gas Pipes ....157
Malfunction of Thermistor (R3T, R5T) for
Suction Pipe 1, 2 ...........................................176
Malfunction of Thermistor (R7T) for
Outdoor Unit Liquid Pipe ...............................178
Malfunction of Thermistor for Discharge Air .........160
Malfunction of Thermostat Sensor in Remote
Controller ......................................................162
Malfunction of Transmission between Central Remote
Controller and Indoor Unit .............................202
Malfunction of Transmission between Centralized
Remote Controller and Indoor Unit ...............206
Malfunction of Transmission between Indoor and
Outdoor Units in the Same System ...............198
Malfunction of Transmission between Indoor Units
and Outdoor Units .........................................194
Malfunction of Transmission between Inverter and
Control PC Board ..........................................187
Malfunction of Transmission between Main and Sub
Remote Controllers .......................................197
Malfunction of Transmission between Optional
Controllers for Centralized Control ................208
Malfunction of Transmission between Remote
Controller and Indoor Unit .............................196
MC ........................................................................211
Method of Replacing The Inverter's Power Transistors
and Diode Modules .......................................254
N
Normal Operation ...................................................49
ii
O
Oil Return Operation ............................................. 54
Operation Lamp Blinks ........................................ 212
Operation Mode .................................................... 48
Operation when Power is Turned On .................... 85
Option List ........................................................... 246
Outdoor Unit PC Board Layout ............................. 86
Outdoor Unit Thermistors for Discharge Pipe ..... 252
P
P1 ........................................................................ 188
PC Board Defect ................................. 143, 163, 207
Power Supply Insufficient or
Instantaneous Failure ................................... 191
Precautions for New Refrigerant (R-410A) .......... 258
Pressure Sensor ................................................. 253
Protection Control ................................................. 60
Pump-down Residual Operation ........................... 57
R
Refrigerant Circuit ................................................. 40
Refrigerant Cylinders .......................................... 260
Refrigerant Overcharged ..................................... 173
Restart Standby .................................................... 58
S
Service Tools ...................................................... 261
Setting by Dip Switches ...................................... 104
Setting by pushbutton switches ........................... 106
Setting of Low Noise Operation and Demand
Operation ..................................................... 115
Setting of Refrigerant Additional Charging
Operation ..................................................... 119
Special Control ...................................................... 53
Specifications .......................................................... 6
Startup Control ...................................................... 53
Stopping Operation ............................................... 59
Swing Flaps ........................................................... 71
Symptom-based Troubleshooting ....................... 125
System is not Set yet .......................................... 204
T
Test Operation
Procedure and Outline .................................... 74
Thermistor Resistance /
Temperature Characteristics ........................ 251
Thermostat Sensor in Remote Controller .............. 68
U
U0 ........................................................................ 189
U2 ........................................................................ 191
U3 ........................................................................ 193
U4 ........................................................................ 194
U5 ........................................................................ 196
U8 ........................................................................ 197
U9 ........................................................................ 198
UA ....................................................................... 200
UC ....................................................................... 201
UE ............................................................... 202, 206
UF ....................................................................... 204
UH ....................................................................... 205
SiBE34-802
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