Daikin VRV III-S RXYMQ6PV4A Service Manual page 121

4. Troubleshooting by Indication on
5. Troubleshooting by Indication on the Unified ON/OFF Controller.......194
110
3.28 "JA" Outdoor Unit: Malfunction of High Pressure Sensor......................161
3.29 "JC" Outdoor Unit: Malfunction of Low Pressure Sensor.......................162
3.30 "L1" Outdoor Unit: Malfunction of PC Board ..........................................163
3.31 "L4" Outdoor Unit: Malfunction of
Inverter Radiating Fin Temperature Rise .............................................164
3.32 "L5" Outdoor Unit: Inverter Compressor Abnormal ...............................165
3.33 "L8" Outdoor Unit: Inverter Current Abnormal.......................................166
3.34 "L9" Outdoor Unit: Inverter Start up Error..............................................167
3.35 "LC" Outdoor Unit: Malfunction of Transmission between
Inverter and Control PC Board .............................................................168
3.36 "P1" Outdoor Unit: High Voltage of Capacitor in Main Inverter Circuit ...169
3.37 "P4" Outdoor Unit: Malfunction of Inverter Radiating Fin
Temperature Rise Sensor ....................................................................170
3.38 "UO" Outdoor Unit: Low Pressure Drop Due to Refrigerant
Shortage or Electronic Expansion Valve Failure ..................................171
3.39 "U2" Power Supply Insufficient or Instantaneous Failure ......................173
3.40 "U3" Check Operation not Executed......................................................175
3.41 "U4" Malfunction of Transmission between Indoor Units and
Outdoor Units .......................................................................................176
3.42 "U5" Malfunction of Transmission between Remote Controller and
Indoor Unit............................................................................................178
3.43 "U8" Malfunction of Transmission between Main and
Sub Remote Controllers .......................................................................179
3.44 "U9" Malfunction of Transmission between Indoor and
Outdoor Units in the Same System ......................................................180
3.45 "UA" Excessive Number of Indoor Units ................................................182
3.46 "UC" Address Duplication of Central Remote Controller ........................183
3.47 "UE" Malfunction of Transmission between Central Remote Controller
and Indoor Unit.....................................................................................184
3.48 "UF" System is not Set yet .....................................................................186
3.49 "UH" Malfunction of System, Refrigerant System Address Undefined...187
the Centralized Remote Controller......................................................188
4.1 "UE" Malfunction of Transmission between Centralized
Remote Controller and Indoor Unit.......................................................188
4.2 "M1" PC Board Defect ............................................................................189
4.3 "M8" Malfunction of Transmission between Optional
Controllers for Centralized Control .......................................................190
4.4 "MA" Improper Combination of Optional Controllers for
Centralized Control...............................................................................191
4.5 "MC" Address Duplication, Improper Setting ..........................................193
5.1 Operation Lamp Blinks .........................................................................194
5.2 Display "Under Host Computer Integrate Control" Blinks
(Repeats Single Blink)..........................................................................196
5.3 Display "Under Host Computer Integrate Control" Blinks
(Repeats Double Blink) ........................................................................199
SiME34-608
Troubleshooting