
SiME341909EA
Part 6 Service Diagnosis
135
5.30 Discharge Pipe Temperature Abnormality ...........................................204
5.31 Wet Alarm.............................................................................................206
5.32 Refrigerant Overcharged......................................................................208
5.33 Harness Abnormality
(between Outdoor Unit Main PCB and Inverter PCB) ..........................209
5.34 Outdoor Fan PCB Abnormality.............................................................210
5.35 Thermistor Abnormality ........................................................................211
5.36 High Pressure Sensor Abnormality ......................................................213
5.37 Low Pressure Sensor Abnormality .......................................................214
5.38 Inverter PCB Abnormality.....................................................................215
5.39 Momentary Power Failure during Test Operation ................................217
5.40 Inverter Radiation Fin Temperature Rise Abnormality .........................218
5.41 Compressor Instantaneous Overcurrent ..............................................220
5.42 Compressor Overcurrent......................................................................222
5.43 Compressor Startup Abnormality .........................................................224
5.44 Transmission Error
between Inverter PCB and Outdoor Unit Main PCB.............................227
5.45 Power Supply Voltage Imbalance ........................................................229
5.46 Reactor Temperature Abnormality .......................................................231
5.47 Inverter Radiation Fin Temperature Abnormality .................................232
5.48 Field Setting after Replacing Outdoor Unit Main PCB Abnormality or
Combination of PCB Abnormality.........................................................234
5.49 Refrigerant Shortage Warning..............................................................235
5.50 Open Phase .........................................................................................236
5.51 Power Supply Insufficient or Instantaneous Abnormality .....................237
5.52 Check Operation Not Executed............................................................239
5.53 Transmission Error between Indoor Units and Outdoor Units..............240
5.54 Transmission Error between Remote Controller and Indoor Unit.........243
5.55 Transmission Error between Outdoor Units .........................................244
5.56 Transmission Error between Main and Sub Remote Controllers .........249
5.57 Other Indoor Units and Outdoor Unit Abnormality................................250
5.58 Improper Combination of Indoor Unit and Outdoor Unit, Indoor Unit
and Remote Controller .........................................................................251
5.59 Address Duplication of Centralized Controller......................................254
5.60 Transmission Error between Centralized Controller and Indoor Unit ...255
5.61 System Not Set Yet ..............................................................................258
5.62 System Abnormality, Refrigerant System Address Undefined .............259
6.1 High Pressure Check ...........................................................................261
6.2 Low Pressure Check ............................................................................262
6.3 Superheat Operation Check.................................................................263
6.4 Power Transistor Check .......................................................................264
6.5 Refrigerant Overcharge Check.............................................................266
6.6 Refrigerant Shortage Check.................................................................267
6.7 Vacuuming and Dehydration Procedure ..............................................268
6.8 Thermistor Check .................................................................................269
6.9 Pressure Sensor Check .......................................................................272
6.10 Broken Wire Check of the Relay Wires ................................................273
6.11 Fan Motor Connector Check (Power Supply Cable) ............................275
6.12 Fan Motor Connector Check (Signal Cable) ........................................277
6.13 Electronic Expansion Valve Coil Check ...............................................278
Summary of Contents for VRV X RXQ6-48ANR Series
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ6 48A N R Series SiME341909EA...
Page 289: ...SiME341909EA Wiring Diagrams Part 7 Appendix 283 RXQ10 12ARYFK 2D124184...
Page 290: ...Wiring Diagrams SiME341909EA 284 Part 7 Appendix RXQ14 16ARYFK 2D124183...
Page 295: ...SiME341909EA Wiring Diagrams Part 7 Appendix 289 FXMQ40 50 63 80 100ARV1 3D127112 04 59...