Daikin VRV II RXYQ8MY1K Service Manual page 4

Si39-502A
Table of Contents
3.9 "C4" Indoor Unit:
Heat Exchanger....................................................................................162
3.10 "C5" Indoor Unit:
3.11 "C9" Indoor Unit:
3.12 "CJ" Indoor Unit:
Remote Controller ................................................................................165
3.13 "E1" Outdoor Unit:
3.14 "E3" Outdoor Unit:
3.15 "E4" Outdoor Unit:
3.16 "E5" Outdoor Unit: Compressor Motor Lock ..........................................169
3.17 "E6" Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............170
3.18 "E7" Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................172
3.19 "E9" Outdoor Unit:
Electronic Expansion Valve (Y1E, Y2E)...............................................174
3.20 "F3" Outdoor Unit:
3.21 "F6" Outdoor Unit: Refrigerant Overcharged.........................................177
3.22 "H7" Outdoor Unit: Abnormal Outdoor Fan Motor Signal.......................178
3.23 "H9" Outdoor Unit:
3.24 "J2" Outdoor Unit: Current Sensor Malfunction ....................................180
3.25 "J3" Outdoor Unit:
(R3, R31 or 32T) ..................................................................................181
3.26 "J5" Outdoor Unit:
Suction Pipe .........................................................................................182
3.27 "J6" Outdoor Unit:
Outdoor Unit Heat Exchanger Deicer...................................................183
3.28 "J7" Outdoor Unit:
Receiver Outlet Liquid Pipe Thermistor (R6T) .....................................184
3.29 "J9" Outdoor Unit:
Subcooling Heat Exchanger Gas Pipe Thermistor (R5T).....................185
3.30 "JA" Outdoor Unit:
3.31 "JC" Outdoor Unit:
3.32 "L4" Outdoor Unit:
Inverter Radiating Fin Temperature Rise .............................................188
3.33 "L5" Outdoor Unit:
3.34 "L8" Outdoor Unit:
3.35 "L9" Outdoor Unit:
3.36 "LC" Outdoor Unit:
Control PC Board .................................................................................192
3.37 "P1" Outdoor Unit:
3.38 "P4" Outdoor Unit:
Inverter Radiating Fin Temperature Rise Sensor.................................195
3.39 "UO" Outdoor Unit: Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure......................................................196
3.40 "U1" Reverse Phase, Open Phase.........................................................197
3.41 "U2" Outdoor Unit: Power Supply Insufficient or
Instantaneous Failure...........................................................................198
3.42 "U3" Outdoor Unit: Check Operation not executed................................200
3.43 "U4" Malfunction of Transmission Between Indoor Units ......................201
3.44 "U5" Indoor Unit: Malfunction of Transmission Between
Remote Controller and Indoor Unit.......................................................203
3.45 "U7" Indoor Unit: Malfunction of Transmission Between
Outdoor Units .......................................................................................204
Malfunction of Thermistor (R2T) for
Malfunction of Thermistor (R3T) for Gas Pipes..........163
Malfunction of Thermistor (R1T) for Suction Air.........164
Malfunction of Thermostat Sensor in
PC Board Defect ......................................................166
Actuation of High Pressure Switch ..........................167
Actuation of Low Pressure Sensor ..........................168
Malfunction of Moving Part of
Abnormal Discharge Pipe Temperature ..................176
Malfunction of Thermistor (R1T) for Outdoor Air.....179
Malfunction of Discharge Pipe Thermistor
Malfunction of Thermistor (R2T) for
Malfunction of Thermistor (R4T) for
Malfunction of
Malfunction of
Malfunction of High Pressure Sensor......................186
Malfunction of Low Pressure Sensor.......................187
Malfunction of
Inverter Compressor Abnormal ...............................189
Inverter Current Abnormal.......................................190
Inverter Start up Error..............................................191
Malfunction of Transmission Between Inverter and
Inverter Over-Ripple Protection ...............................194
Malfunction of
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