Daikin VRVIII-S Service Manual page 4

SiENBE34-703
4. Troubleshooting by Indication on the Centralized remote control .......181
Table of Contents
3.14 "E1" Outdoor Unit: PC Board Defect ......................................................138
3.15 "E3" Outdoor Unit: Actuation of High Pressure Switch ..........................139
3.16 "E4" Outdoor Unit: Actuation of Low Pressure Sensor ..........................141
3.17 "E5" Inverter Compressor Motor Lock ...................................................143
3.18 "E7" Malfunction of Outdoor Unit Fan Motor..........................................144
3.19 "E9" Outdoor Unit: Malfunction of Moving Part of Electronic Expansion
Valve (Y1E, Y3E) .................................................................................145
3.20 "F3" Outdoor Unit: Abnormal Discharge Pipe Temperature ..................147
3.21 "F6" Outdoor Unit: Refrigerant Overcharged.........................................148
3.22 "H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air.....149
3.23 "J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T) ....150
3.24 "J5" Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for Suction
Pipe 1, 2 ...............................................................................................151
3.25 "J6" Outdoor Unit: Malfunction of Thermistor (R6T) for Outdoor Unit Heat
Exchanger ............................................................................................152
3.26 "J7" Outdoor Unit: Malfunction of Thermistor (R7T) for Outdoor Unit Liquid
Pipe ......................................................................................................153
3.27 "J9" Outdoor Unit: Malfunction of Subcooling Heat Exchanger Gas Pipe
Thermistor (R4T) ..................................................................................154
3.28 "JA" Outdoor Unit: Malfunction of High Pressure Sensor......................155
3.29 "JC" Outdoor Unit: Malfunction of Low Pressure Sensor.......................156
3.30 "L1" Outdoor Unit: Malfunction of PC Board ..........................................157
3.31 "L4" Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise ....158
3.32 "L5" Outdoor Unit: Inverter Compressor Abnormal ...............................159
3.33 "L8" Outdoor Unit: Inverter Current Abnormal.......................................160
3.34 "L9" Outdoor Unit: Inverter Start up Error..............................................161
3.35 "LC" Outdoor Unit: Malfunction of Transmission between Inverter and
Control PC Board .................................................................................162
3.36 "P1" Outdoor Unit: High Voltage of Capacitor in Main Inverter Circuit ...163
3.37 "UO" Outdoor Unit: Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure......................................................164
3.38 "U2" Power Supply Insufficient or Instantaneous Failure ......................166
3.39 "U3" Check Operation not Executed......................................................168
3.40 "U4" Malfunction of Transmission between Indoor Units and Outdoor Units....169
3.41 "U5" Malfunction of Transmission between remote control and Indoor Unit.....171
3.42 "U8" Malfunction of Transmission between Main and Sub remote controls.....172
3.43 "U9" Malfunction of Transmission between Indoor and Outdoor Units
in the Same System .............................................................................173
3.44 "UA" Excessive Number of Indoor Units ................................................175
3.45 "UC" Address Duplication of Central remote control ..............................176
3.46 "UE" Malfunction of Transmission between Central remote control and
Indoor Unit............................................................................................177
3.47 "UF" System is not Set yet .....................................................................179
3.48 "UH" Malfunction of System, Refrigerant System Address Undefined...180
4.1 "UE" Malfunction of Transmission between Centralized remote control
and Indoor Unit.....................................................................................181
4.2 "M1" PC Board Defect ............................................................................182
4.3 "M8" Malfunction of Transmission between Optional Controllers for
Centralized Control...............................................................................183
4.4 "MA" Improper Combination of Optional Controllers for Centralized
Control..................................................................................................184
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