Daikin VRV Aurora RXLQ-TATJU Series Service Manual page 214

4. Check ......................................................................................................367
207
3.73 Incorrect Electric Heater Capacity Setting................................................ 357
3.74 Address Duplication of Centralized Controller.......................................... 358
3.75 Transmission Error between Centralized Controller and Indoor Unit ....... 359
3.76 System Not Set Yet .................................................................................. 362
3.77 System Abnormality, Refrigerant System Address Undefined ................. 363
3.78 Climate Talk Communication System Combination Error (Before Initial
Setting for Communication Completes).................................................... 365
3.79 Climate Talk Communication System Combination Error (After Initial
Setting for Communication Completes).................................................... 366
4.1 High Pressure Check ............................................................................... 367
4.2 Low Pressure Check ................................................................................ 368
4.3 Superheat Operation Check..................................................................... 370
4.4 Power Transistor Check ........................................................................... 372
4.5 Refrigerant Overcharge Check................................................................. 377
4.6 Refrigerant Shortage Check..................................................................... 378
4.7 Vacuuming and Dehydration Procedure .................................................. 379
4.8 Thermistor Check ..................................................................................... 380
4.9 Pressure Sensor Check ........................................................................... 383
4.10 Broken Wire Check of the Relay Wires .................................................... 384
4.11 Fan Motor Connector Check (Power Supply Cable) ................................ 386
4.12 Fan Motor Connector Check (Signal Cable) ............................................ 388
4.13 Electronic Expansion Valve Coil Check ................................................... 390
4.14 Fan Motor Connector Check for FXTQ-TA, FXTQ-TB ............................. 393
SiUS341802EC
Part 6 Service Diagnosis