Daikin ERSQ 011AAV1 Service Manual page 128

116
Pipe ......................................................................................................171
3.31 "J9" Outdoor Unit: Malfunction of Thermistor (R4T) for Subcooling Heat
Exchanger Gas Pipe ............................................................................172
3.32 "JA" Outdoor Unit: Malfunction of High Pressure Sensor.....................173
3.33 "JA" Indoor Unit: Malfunction of High Pressure Sensor........................174
3.34 "JC" Outdoor Unit: Malfunction of Low Pressure Sensor .....................175
3.35 "JC" Indoor Unit: Malfunction of Low Pressure Sensor ........................176
3.36 "L1" Outdoor Unit: Malfunction of PC Board.........................................177
3.37 "L1" Indoor Unit: Malfunction of PC Board ...........................................178
3.38 "L4" Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature
Rise ......................................................................................................179
3.39 "L4" Indoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
(R8T) ....................................................................................................180
3.40 "L5" Outdoor Unit: Inverter Compressor Abnormal -
R-410A .................................................................................................181
3.41 "L5" Indoor Unit: Inverter Compressor Abnormal -
R-134a..................................................................................................182
3.42 "L8" Outdoor Unit: Inverter Current Abnormal ......................................183
3.43 "L8" Indoor Unit: Inverter Current Abnormal.........................................184
3.44 "L9" Outdoor Unit: Inverter Start up Error.............................................185
3.45 "L9" Indoor Unit: Inverter Start up Error................................................186
3.46 "LC" Outdoor Unit: Malfunction of Transmission between Inverter and
Control PC Board .................................................................................187
3.47 "LC" Indoor Unit: Malfunction of Transmission between Inverter and Con-
trol PC Board........................................................................................188
3.48 "LH" Indoor Unit: Converter Error .........................................................189
3.49 "P1" Outdoor Unit: High Voltage of Capacitor in Main Inverter Circuit .190
3.50 "P1" Indoor Unit: High Voltage of Capacitor in Main Inverter Circuit ....191
3.51 "PJ" Indoor Unit: Faulty Combination of PCB.......................................192
3.52 "U0" Low Pressure Drop Due to Refrigerant Shortage or Electronic Expan-
sion Valve Failure.................................................................................193
3.53 "U2" Power Supply Insufficient or Instantaneous Failure .....................195
3.54 "U2" Power Supply Insufficient or Instantaneous Failure .....................197
3.55 "U4" Malfunction of Transmission between Indoor Unit and Outdoor
Unit .......................................................................................................199
3.56 "U4" Malfunction of Transmission Indoor Unit ......................................201
3.57 "U5" Malfunction of Transmission between Remote Control and Indoor
Unit .......................................................................................................202
3.58 "U7" Indoor Unit: Malfunction of Transmission Outdoor Unit................203
3.59 "U8" Malfunction of Transmission between Main and Sub Remote
Controls ................................................................................................204
3.60 "UA" Communication Error between Outdoor Unit and Indoor Unit .....205
3.61 "UF" System is not Set yet ...................................................................206
3.62 "UH" Malfunction of System, Refrigerant System Address Undefined .207
ESIE09-08
Troubleshooting