Daikin FAQ71CVEB Service Manual

ESIE15-13B
Table of Contents iii
4.8 Transmission Error (between Indoor Unit PCB and Adaptor PCB) ......129
4.9 Thermistor Abnormality ........................................................................131
4.10 Humidity Sensor System Abnormality ..................................................132
4.11 Malfunction of Motion Sensor / Floor Temperature Sensor..................133
4.12 Remote Controller Thermistor Abnormality ..........................................138
4.13 Outdoor Unit PCB Abnormality.............................................................139
4.14 High Pressure Abnormality (Detected by the High Pressure Switch)...140
4.15 Actuation of Pressure Sensor...............................................................142
4.16 Compressor Motor Lock .......................................................................144
4.17 Outdoor Unit Fan Motor Abnormality....................................................145
4.18 Electronic Expansion Valve Abnormality..............................................147
4.19 Discharge Pipe Temperature Control...................................................150
4.20 High Pressure Switch System Abnormality ..........................................152
4.21 Low Pressure Switch System Abnormality...........................................153
4.22 Thermistor System Abnormality ...........................................................154
4.23 Outdoor Unit PCB Abnormality.............................................................155
4.24 Radiation Fin Temperature Rise ..........................................................157
4.25 Output Overcurrent Detection ..............................................................159
4.26 Electronic Thermal (Time Lag) .............................................................161
4.27 Stall Prevention (Time Lag)..................................................................163
4.28 Transmission System Abnormality (between Control and Inverter
PCB).....................................................................................................165
4.29 Open Phase or Power Supply Voltage Imbalance ...............................166
4.30 Defective Capacity Setting ...................................................................167
4.31 Refrigerant Shortage (Alert) .................................................................168
4.32 Refrigerant Shortage (Error).................................................................169
4.33 Power Supply Voltage Abnormality......................................................171
4.34 Transmission Error between Indoor and Outdoor Unit.........................173
4.35 Transmission Error Between Remote Controller and Indoor Unit ........176
4.36 Transmission Error between MAIN Remote Controller and SUB
Remote Controller ................................................................................177
4.37 Field Setting Switch Abnormality..........................................................178
4.38 “UC” Address Duplication of Centralized Controller...............................180
4.39 Transmission Error Between Centralized Controller and Indoor Unit...181
4.40 Transmission Error between Indoor and Outdoor Unit / Piping and
Wiring Mismatch / Refrigerant Shortage ..............................................183
4.41 Check ...................................................................................................185
Part 6 - Appendix ........................................................................ 197
1. Piping Diagrams..................................................................................198
1.1 RZQG-L9V1 .........................................................................................198
2. Wiring Diagrams..................................................................................199
2.1 Outdoor Unit .........................................................................................199
3. Thermodynamic characteristic of R-410A ...........................................200
4. Removing the switchbox .....................................................................201

Daikin FAQ71CVEB Specifications

General

Brand	Daikin
Model	FAQ71CVEB
Category	Air Conditioner
Language	English