Daikin VRV II RXYQ5MY1B Service Manual page 4

SiE39-404
Table of Contents
2.5 "A7" Indoor Unit: Malfunction of Swing Flap Motor (MA) .......................178
2.6 "A9" Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (20E) ........................................................180
2.7 "AF" Indoor Unit: Drain Level above Limit..............................................182
2.8 "AJ" Indoor Unit: Malfunction of Capacity Determination Device ..........183
2.9 "C4" Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger 184
2.10 "C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes..........185
2.11 "C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........186
2.12 "CJ" Indoor Unit: Malfunction of Thermostat Sensor
in Remote Controller ............................................................................187
2.13 "E1" Outdoor Unit: PC Board Defect ......................................................188
2.14 "E3" Outdoor Unit: Actuation of High Pressure Switch ..........................189
2.15 "E4" Outdoor Unit: Actuation of Low Pressure Sensor ..........................190
2.16 "E5" Compressor Motor Lock ................................................................191
2.17 "E6" Compressor Motor Overcurrent/Lock ............................................192
2.18 "E7" Malfunction of Outdoor Unit Fan Motor..........................................193
2.19 "E9" Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E, Y2E)...............................................195
2.20 "F3" Outdoor Unit: Abnormal Discharge Pipe Temperature ..................197
2.21 "F6" Refrigerant Overcharged ...............................................................198
2.22 "H7" Abnormal Outdoor Fan Motor Signal .............................................199
2.23 "H9" Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T).....200
2.24 "J2" Current Sensor Malfunction...........................................................201
2.25 "J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor
(R3, R31~33T) .....................................................................................202
2.26 "J5" Outdoor Unit: Malfunction of Thermistor (R2T) for Suction Pipe ...203
2.27 "J6" Outdoor Unit: Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger ..............................................................204
2.28 "J8" Malfunction of Oil Equalizing Pipe Thermistor (R7T).....................205
2.29 "J9" Malfunction of Receiver Gas Pipe Thermistor (R5T).....................206
2.30 "JA" Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor.....207
2.31 "JC" Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor .........208
2.32 "L4" Outdoor Unit: Malfunction of Inverter Radiating
Fin Temperature Rise...........................................................................209
2.33 "L5" Outdoor Unit: Inverter Compressor Abnormal ...............................210
2.34 "L8" Outdoor Unit: Inverter Current Abnormal.......................................211
2.35 "L9" Outdoor Unit: Inverter Start up Error..............................................212
2.36 "LC" Outdoor Unit: Malfunction of Transmission Between Inverter
and Control PC Board ..........................................................................213
2.37 "P1" Outdoor Unit: Inverter Over-Ripple Protection ...............................215
2.38 "P4" Outdoor Unit: Malfunction of Inverter Radiating Fin
Temperature Rise Sensor ....................................................................216
2.39 "UO" Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure......................................................217
2.40 "U1" Reverse Phase, Open Phase.........................................................218
2.41 "U2" Power Supply Insufficient or Instantaneous Failure ......................219
2.42 "U3" Check Operation not executed ......................................................221
2.43 "U4" Malfunction of Transmission Between Indoor Units ......................222
2.44 "U5" Malfunction of Transmission Between Remote Controller
and Indoor Unit.....................................................................................224
2.45 "U7" Malfunction of Transmission Between Outdoor Units ....................225
2.46 "U8" Malfunction of Transmission Between Master and
Slave Remote Controllers ....................................................................227
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