Part 7 Troubleshooting - Daikin VRV III-S RXYMQ6PV4A Service Manual

SiME34-608
1. Symptom-based Troubleshooting .......................................................111
2. Troubleshooting by Remote Controller ...............................................114
3. Troubleshooting by Indication on the Remote Controller ....................128
Troubleshooting
Troubleshooting
2.1 The INSPECTION / TEST Button.........................................................114
2.2 Self-diagnosis by Wired Remote Controller .........................................115
2.3 Self-diagnosis by Wireless Remote Controller .....................................116
2.4 Operation of the Remote Controller's Inspection /
Test Operation Button ..........................................................................118
2.5 Remote Controller Service Mode .........................................................119
2.6 Remote Controller Self-Diagnosis Function .........................................121
3.1 "A0" Indoor Unit: Error of External Protection Device ...........................128
3.2 "A1" Indoor Unit: PC Board Defect.........................................................129
3.3 "A3" Indoor Unit: Malfunction of Drain Level Control System (S1L) ......130
3.4 "A6" Indoor Unit: Fan Motor (M1F) Lock, Overload...............................132
3.5 "A7" Indoor Unit: Malfunction of Swing Flap Motor (M1S) .....................133
3.6 "A9" Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E)........................................................135
3.7 "AF" Indoor Unit: Drain Level above Limit..............................................137
3.8 "AJ" Indoor Unit: Malfunction of Capacity Determination Device ..........138
3.9 "C4" Indoor Unit: Malfunction of Thermistor (R2T)
for Heat Exchanger ..............................................................................139
3.10 "C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes..........140
3.11 "C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........141
3.12 "CA" Indoor Unit: Malfunction of Thermistor for Discharge Air...............142
3.13 "CJ" Indoor Unit: Malfunction of Thermostat Sensor in
Remote Controller ................................................................................143
3.14 "E1" Outdoor Unit: PC Board Defect ......................................................144
3.15 "E3" Outdoor Unit: Actuation of High Pressure Switch ..........................145
3.16 "E4" Outdoor Unit: Actuation of Low Pressure Sensor ..........................147
3.17 "E5" Inverter Compressor Motor Lock ...................................................149
3.18 "E7" Malfunction of Outdoor Unit Fan Motor..........................................150
3.19 "E9" Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E, Y3E)...............................................151
3.20 "F3" Outdoor Unit: Abnormal Discharge Pipe Temperature ..................153
3.21 "F6" Outdoor Unit: Refrigerant Overcharged.........................................154
3.22 "H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air.....155
3.23 "J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T) ....156
3.24 "J5" Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for
Suction Pipe 1, 2 ..................................................................................157
3.25 "J6" Outdoor Unit: Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger ..............................................................158
3.26 "J7" Outdoor Unit: Malfunction of Thermistor (R7T) for
Outdoor Unit Liquid Pipe ......................................................................159
3.27 "J9" Outdoor Unit: Malfunction of Subcooling Heat
Exchanger Gas Pipe Thermistor (R6T) ................................................160
Part 7
109