Part 6 Troubleshooting - Daikin VRV III RXYQ5-54PY1 Service Manual

Si34-601A
1. Symptom-based Troubleshooting .......................................................201
2. Troubleshooting by Remote Controller ...............................................204
3. Troubleshooting by Indication on the Remote Controller ....................220
Troubleshooting
Troubleshooting
2.1 The INSPECTION / TEST Button.........................................................204
2.2 Self-diagnosis by Wired Remote Controller .........................................205
2.3 Self-diagnosis by Wireless Remote Controller .....................................206
2.4 Operation of The Remote Controller's Inspection /
Test Operation Button ..........................................................................209
2.5 Remote Controller Service Mode .........................................................210
2.6 Remote Controller Self-Diagnosis Function .........................................212
3.1 "A0" Indoor Unit: Error of External Protection Device ...........................220
3.2 "A1" Indoor Unit: PC Board Defect.........................................................221
3.3 "A3" Indoor Unit: Malfunction of Drain Level Control System (S1L) ......222
3.4 "A6" Indoor Unit: Fan Motor (M1F) Lock, Overload...............................224
3.5 "A7" Indoor Unit: Malfunction of Swing Flap Motor (M1S) .....................225
3.6 "A9" Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E)........................................................227
3.7 "AF" Indoor Unit: Drain Level above Limit..............................................229
3.8 "AJ" Indoor Unit: Malfunction of Capacity Determination Device ..........230
3.9 "C4" Indoor Unit: Malfunction of Thermistor (R2T) for
Heat Exchanger....................................................................................231
3.10 "C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes..........232
3.11 "C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........233
3.12 "CJ" Indoor Unit: Malfunction of Thermostat Sensor in
Remote Controller ................................................................................234
3.13 "E1" Outdoor Unit: PC Board Defect ......................................................235
3.14 "E3" Outdoor Unit: Actuation of High Pressure Switch ..........................236
3.15 "E4" Outdoor Unit: Actuation of Low Pressure Sensor ..........................238
3.16 "E5" Outdoor Unit: Inverter Compressor Motor Lock.............................240
3.17 "E6" Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............242
3.18 "E7" Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................243
3.19 "E9" Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E, Y2E)...............................................246
3.20 "F3" Outdoor Unit: Abnormal Discharge Pipe Temperature ..................248
3.21 "F6" Outdoor Unit: Refrigerant Overcharged.........................................249
3.22 "H7" Outdoor Unit: Abnormal Outdoor Fan Motor Signal.......................250
3.23 "H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air.....251
3.24 "J2" Outdoor Unit: Current Sensor Malfunction ....................................252
3.25 "J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor
(R3, R31~33T) .....................................................................................253
3.26 "J5" Outdoor Unit: Malfunction of Thermistor (R2T), (R7T) for
Suction Pipe .........................................................................................254
3.27 "J6" Outdoor Unit: Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger ..............................................................255
3.28 "J7" Outdoor Unit: Malfunction of Liquid Pipe Thermistor (R6T) ...........256
Part 6
199