Daikin R410As Service Manual page 5

3. Troubleshooting (OP: Central Remote Controller) ..............................218
4. Troubleshooting (OP: Schedule Timer)...............................................224
5. Troubleshooting (OP: Unified ON/OFF Controller) .............................231
Part 7 Replacement procedure for INV compressor,
VRV II (RXYQ5M to 48M)................................................ 239
1. Replacement procedure for INV compressor,
Part 8 Appendix......................................................................... 241
1. Piping Diagrams..................................................................................242
2. Wiring Diagrams for Reference...........................................................246
3. List of Electrical and Functional Parts .................................................263
4. Option List ...........................................................................................270
iv
2.49 "UE" Malfunction of Transmission Between Central Remote Controller
and Indoor Unit.....................................................................................214
2.50 "UF" Refrigerant System not Set, Incompatible Wiring/Piping ...............216
2.51 "UH" Malfunction of System, Refrigerant System Address Undefined...217
3.1 "UE" Malfunction of Transmission Between Central
Remote Controller and Indoor Unit.......................................................218
3.2 "M1" PC Board Defect ............................................................................219
3.3 "M8" Malfunction of Transmission Between Optional Controllers
for Centralized Control .........................................................................220
3.4 "MA" Improper Combination of Optional Controllers
for Centralized Control .........................................................................221
3.5 "MC" Address Duplication, Improper Setting ..........................................223
4.1 "UE" Malfunction of Transmission Between Central
Remote Controller and Indoor Unit.......................................................224
4.2 "M1" PC Board Defect ............................................................................226
4.3 "M8" Malfunction of Transmission Between Optional Controllers
for Centralized Control .........................................................................227
4.4 "MA" Improper Combination of Optional Controllers for
Centralized Control...............................................................................228
4.5 "MC" Address Duplication, Improper Setting ..........................................230
5.1 Operation Lamp Blinks .........................................................................231
5.2 Display "Under Host Computer Integrate Control" Blinks
(Repeats Single Blink)..........................................................................233
5.3 Display "Under Host Computer Integrate Control" Blinks
(Repeats Double Blink) ........................................................................236
VRV II (RXYQ5M-48M) .......................................................................240
1.1 Replacement procedure .......................................................................240
1.1 Outdoor Unit .........................................................................................242
1.2 Indoor Unit............................................................................................245
2.1 Outdoor Unit .........................................................................................246
2.2 Field Wiring ..........................................................................................249
2.3 Indoor Unit............................................................................................252
3.1 Outdoor Unit .........................................................................................263
3.2 Indoor Side ...........................................................................................265
4.1 Option List of Controllers......................................................................270
4.2 Option Lists (Outdoor Unit)...................................................................272
Si39-302
Table of Contents