SiAF332111E
Part 6 Service Diagnosis
175
5.28 Compressor Damage Alarm.................................................................239
5.29 Outdoor Fan Motor Abnormality ...........................................................241
5.30 Electronic Expansion Valve Coil Abnormality.......................................248
5.31 Discharge Pipe Temperature Abnormality ...........................................249
5.32 Wet Alarm.............................................................................................253
5.33 Refrigerant Overcharged......................................................................255
5.34 Harness Abnormality (between Outdoor Unit Main PCB and
5.35 OL Activation (Compressor Overload) .................................................257
5.36 Outdoor Fan Motor Signal Abnormality ................................................259
5.37 Outdoor Fan PCB Abnormality.............................................................260
5.38 Thermistor Abnormality ........................................................................261
5.39 High Pressure Sensor Abnormality ......................................................263
5.40 Low Pressure Sensor Abnormality .......................................................264
5.41 Inverter Circuit Abnormality ..................................................................265
5.42 Momentary Power Failure during Test Operation ................................267
5.43 Radiation Fin Temperature Rise Abnormality ......................................268
5.44 Compressor Instantaneous Overcurrent ..............................................272
5.45 Compressor Overcurrent......................................................................275
5.46 Compressor Startup Abnormality .........................................................278
5.47 Transmission Error between Microcomputers on Outdoor Unit
5.48 Transmission Error between Inverter PCB and Outdoor Unit
5.49 Inverter Circuit Capacitor High Voltage ................................................285
5.50 Power Supply Voltage Imbalance ........................................................286
5.51 Reactor Temperature Abnormality .......................................................288
5.52 Radiation Fin Temperature Abnormality...............................................289
5.53 Incorrect Inverter and Fan Drive Combination .....................................291
5.54 Field Setting after Replacing Outdoor Unit Main PCB Abnormality or
Combination of PCB Abnormality.........................................................292
5.55 Refrigerant Shortage ............................................................................293
5.56 Open Phase .........................................................................................297
5.57 Reverse Phase, Open Phase...............................................................298
5.58 Power Supply Insufficient or Instantaneous Abnormality .....................299
5.59 Check Operation Not Executed............................................................307
5.60 Transmission Error between Indoor Units and Outdoor Units..............310
5.61 Transmission Error between Remote Controller and Indoor Unit.........314
5.62 Transmission Error between Main and Sub Remote Controllers .........315
5.63 Other Indoor Units and Outdoor Unit Abnormality................................316
5.64 Improper Combination of Indoor Unit and Outdoor Unit, Indoor Unit
and Remote Controller .........................................................................317
5.65 Address Duplication of Centralized Controller......................................320
5.66 Transmission Error between Centralized Controller and Indoor Unit ...321
5.67 System Not Set Yet ..............................................................................324
5.68 System Abnormality, Refrigerant System Address Undefined .............326
5.69 Defective PCB ......................................................................................327
5.70 Transmission Error (between Centralized Controllers) ........................328
5.71 Poor Centralized Controller Combination.............................................329
5.72 Address Duplication, Poor Setting........................................................330
5.73 Operation Lamp Blinking ......................................................................331
5.74 Central Control Indicator Lamp Blinking (One blink) ............................333
5.75 Central Control Indicator Lamp Blinking (Two blinks) ..........................336
Summary of Contents for VRV S RXQ4/5ARV1
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Page 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Page 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Page 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Page 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...