Daikin RXYQ72 Serivce Manual page 4

SiUS39-601
Table of Contents
2.10 "C5" Indoor Unit:
2.11 "C9" Indoor Unit:
2.12 "CJ" Indoor Unit:
in Remote Controller ................................................................................ 134
2.13 "E1" Outdoor Unit:
2.14 "E3" Outdoor Unit:
2.15 "E4" Outdoor Unit:
2.16 "E5" Compressor Motor Lock .................................................................... 139
2.17 "E6" Compressor Motor Overcurrent/Lock ................................................ 141
2.18 "E7" Malfunction of Outdoor Unit Fan Motor.............................................. 142
2.19 "E9" Outdoor Unit:
of Electronic Expansion Valve (Y1E, Y2E)............................................... 144
2.20 "F3" Outdoor Unit:
2.21 "F6" Refrigerant Overcharged ................................................................... 147
2.22 "H7" Abnormal Outdoor Fan Motor Signal ................................................. 148
2.23 "H9" Outdoor Unit:
2.24 "J2" Current Sensor Malfunction............................................................... 151
2.25 "J3" Outdoor Unit:
Pipe Thermistor (R31~33T)...................................................................... 152
2.26 "J5" Outdoor Unit:
2.27 "J6" Outdoor Unit:
for Outdoor Unit Heat Exchanger Deicer.................................................. 154
2.28 "J7" Malfunction of Receiver Outlet Liquid Pipe
Thermistor (R6T) ...................................................................................... 155
2.29 "J8"Malfunction of Oil Equalizing Pipe Thermistor (R7T).......................... 156
2.30 "J9" Malfunction of Sub-Cooling Gas Pipe Thermistor (R5T) ................... 157
2.31 "JA" Outdoor Unit:
2.32 "JC" Outdoor Unit:
2.33 "L4" Outdoor Unit:
Fin Temperature Rise............................................................................... 161
2.34 "L5" Outdoor Unit:
2.35 "L8" Outdoor Unit:
2.36 "L9" Outdoor Unit:
2.37 "LC" Outdoor Unit:
and Control PC Board .............................................................................. 166
2.38 "P1" Outdoor Unit:
2.39 "P4" Outdoor Unit:
Fin Temperature Rise Sensor .................................................................. 170
2.40 "PJ" Outdoor Unit: Faulty Field Setting after Replacing Main
PC Board or Faulty Combination of PC Board ......................................... 171
2.41 "UO" Outdoor Unit:
or Electronic Expansion Valve Failure...................................................... 172
2.42 "U1" Outdoor Unit:
2.43 "U2" Outdoor Unit:
or Instantaneous Failure........................................................................... 175
2.44 "U3" Outdoor Unit:
2.45 "U4" Malfunction of Transmission Between Indoor Units
and Outdoor Units .................................................................................... 178
Malfunction of Thermistor (R3T) for Gas Pipes.............. 132
Malfunction of Thermistor (R1T) for Suction Air............. 133
Malfunction of Thermostat Sensor
PC Board Defect .......................................................... 135
Actuation of High Pressure Switch .............................. 136
Actuation of Low Pressure Sensor .............................. 137
Malfunction of Moving Part
Abnormal Discharge Pipe Temperature ...................... 146
Malfunction of Thermistor (R1T) for Outdoor Air......... 150
Malfunction of Discharge
Malfunction of Thermistor (R2T) for Suction Pipe ....... 153
Malfunction of Thermistor (R4T)
Malfunction of Discharge Pipe Pressure Sensor......... 158
Malfunction of Suction Pipe Pressure Sensor ............. 160
Malfunction of Inverter Radiating
Inverter Compressor Abnormal ................................... 162
Inverter Current Abnormal........................................... 163
Inverter Start up Error.................................................. 165
Malfunction of Transmission Between Inverter
Inverter Over-Ripple Protection ................................... 168
Malfunction of Inverter Radiating
Low Pressure Drop Due to Refrigerant Shortage
Reverse Phase, Open Phase ...................................... 174
Power Supply Insufficient
Check Operation not executed.................................... 177
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