Daikin VRV EMERION REYQ-AATJA Service Manual page 295

SiUS372201EB
4. Check ......................................................................................................449
Part 6 Service Diagnosis
3.73 Improper Combination of Indoor, Branch Selector and Outdoor Units..... 431
3.74 Incorrect Gas Furnace Connecting Number............................................. 438
3.75 Incorrect Electric Heater Capacity Setting................................................ 439
3.76 Address Duplication of Centralized Controller.......................................... 440
3.77 Transmission Error between Centralized Controller and Indoor Unit ....... 441
3.78 System Not Set Yet .................................................................................. 444
3.79 System Abnormality, Refrigerant System Address Undefined ................. 445
3.80 Climate Talk Communication System Combination Error (Before Initial
Setting for Communication Completes).................................................... 447
3.81 Climate Talk Communication System Combination Error (After Initial
Setting for Communication Completes).................................................... 448
4.1 High Pressure Check ............................................................................... 449
4.2 Low Pressure Check ................................................................................ 450
4.3 Superheat Operation Check..................................................................... 452
4.4 Power Transistor Check ........................................................................... 454
4.5 Refrigerant Overcharge Check................................................................. 456
4.6 Refrigerant Shortage Check..................................................................... 457
4.7 Vacuuming and Dehydration Procedure .................................................. 458
4.8 Thermistor Check ..................................................................................... 459
4.9 Pressure Sensor Check ........................................................................... 463
4.10 Broken Wire Check of the Relay Wires .................................................... 464
4.11 Fan Motor Connector Check (Power Supply Cable) ................................ 466
4.12 Fan Motor Connector Check (Signal Cable) ............................................ 468
4.13 Electronic Expansion Valve Coil Check ................................................... 470
4.14 Fan Motor Connector Check for FXTQ-TA, FXTQ-TB ............................. 474
288