Daikin VRV RXYQ72-384XAYCA Service Manual page 215

SiUS342004EB
4. Check ......................................................................................................357
Part 6 Service Diagnosis
3.72 System Not Set Yet .................................................................................. 352
3.73 System Abnormality, Refrigerant System Address Undefined ................. 353
3.74 Climate Talk Communication System Combination Error (Before Initial
Setting for Communication Completes).................................................... 355
3.75 Climate Talk Communication System Combination Error (After Initial
Setting for Communication Completes).................................................... 356
4.1 High Pressure Check ............................................................................... 357
4.2 Low Pressure Check ................................................................................ 358
4.3 Superheat Operation Check..................................................................... 360
4.4 Power Transistor Check ........................................................................... 362
4.5 Refrigerant Overcharge Check................................................................. 363
4.6 Refrigerant Shortage Check..................................................................... 364
4.7 Vacuuming and Dehydration Procedure .................................................. 365
4.8 Thermistor Check ..................................................................................... 366
4.9 Pressure Sensor Check ........................................................................... 369
4.10 Broken Wire Check of the Relay Wires .................................................... 370
4.11 Fan Motor Connector Check (Power Supply Cable) ................................ 372
4.12 Fan Motor Connector Check (Signal Cable) ............................................ 374
4.13 Electronic Expansion Valve Coil Check ................................................... 376
4.14 Fan Motor Connector Check for FXTQ-TA, FXTQ-TB ............................. 379
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