Part 6 Troubleshooting - Daikin VRV II RXYQ8MY1K Service Manual

Si39-502A
1. Symptom-based Troubleshooting .......................................................136
2. Troubleshooting by Remote Controller ...............................................139
3. Troubleshooting by Indication on the Remote Controller ....................151
Troubleshooting
Troubleshooting Troubleshooting Troubleshooting Troubleshooting
2.1 The INSPECTION / TEST Button.........................................................139
2.2 Self-diagnosis by Wired Remote Controller .........................................140
2.3 Self-diagnosis by Wireless Remote Controller .....................................141
2.4 Operation of The Remote Controller's Inspection /
Test Operation Button ..........................................................................143
2.5 Remote Controller Service Mode .........................................................144
2.6 Remote Controller Self-Diagnosis Function .........................................146
3.1 "A0" Indoor Unit: Error of External Protection Device ...........................151
3.2 "A1" Indoor Unit: PC Board Defect.........................................................152
3.3 "A3" Indoor Unit: Malfunction of Drain Level Control System (S1L) ......153
3.4 "A6" Indoor Unit: Fan Motor (M1F) Lock, Overload...............................155
3.5 "A7" Indoor Unit: Malfunction of Swing Flap Motor (MA) .......................156
3.6 "A9" Indoor Unit: Malfunction of Moving Part of Electronic
Expansion Valve (20E).........................................................................158
3.7 "AF" Indoor Unit: Drain Level above Limit..............................................160
3.8 "AJ" Indoor Unit: Malfunction of Capacity Determination Device ..........161
3.9 "C4" Indoor Unit: Malfunction of Thermistor (R2T) for
Heat Exchanger....................................................................................162
3.10 "C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes..........163
3.11 "C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........164
3.12 "CJ" Indoor Unit: Malfunction of Thermostat Sensor
in Remote Controller ............................................................................165
3.13 "E1" Outdoor Unit: PC Board Defect ......................................................166
3.14 "E3" Outdoor Unit: Actuation of High Pressure Switch ..........................167
3.15 "E4" Outdoor Unit: Actuation of Low Pressure Sensor ..........................168
3.16 "E5" Outdoor Unit: Compressor Motor Lock ..........................................169
3.17 "E6" Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............170
3.18 "E7" Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................172
3.19 "E9" Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E, Y2E)...............................................174
3.20 "F3" Outdoor Unit: Abnormal Discharge Pipe Temperature ..................176
3.21 "F6" Outdoor Unit: Refrigerant Overcharged.........................................177
3.22 "H7" Outdoor Unit: Abnormal Outdoor Fan Motor Signal.......................178
3.23 "H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air.....179
3.24 "J2" Outdoor Unit: Current Sensor Malfunction ....................................180
3.25 "J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor
(R3, R31 or 32T) ..................................................................................181
3.26 "J5" Outdoor Unit: Malfunction of Thermistor (R2T) for
Suction Pipe .........................................................................................182
3.27 "J6" Outdoor Unit: Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger Deicer...................................................183
Part 6 Part 6
Part 6 Part 6
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