Part 6 Troubleshooting - Daikin VRV II RXYQ5MATL Service Manual

Si39-504
1. Symptom-based Troubleshooting .......................................................154
2. Troubleshooting by Remote Controller ...............................................157
3. Troubleshooting by Indication on the Remote Controller ....................170
Troubleshooting
Troubleshooting Troubleshooting Troubleshooting Troubleshooting
2.1 The INSPECTION / TEST Button.........................................................157
2.2 Self-diagnosis by Wired Remote Controller .........................................158
2.3 Self-diagnosis by Wireless Remote Controller .....................................159
2.4 Operation of The Remote Controller's Inspection /
Test Operation Button ..........................................................................162
2.5 Remote Controller Service Mode .........................................................163
2.6 Remote Controller Self-Diagnosis Function .........................................165
3.1 "A0" Indoor Unit: Error of External Protection Device ...........................170
3.2 "A1" Indoor Unit: PC Board Defect.........................................................171
3.3 "A3" Indoor Unit: Malfunction of Drain Level Control System (S1L) ......172
3.4 "A6" Indoor Unit: Fan Motor (M1F) Lock, Overload...............................174
3.5 "A7" Indoor Unit: Malfunction of Swing Flap Motor (MA) .......................175
3.6 "A9" Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (20E) ........................................................177
3.7 "AF" Indoor Unit: Drain Level above Limit..............................................179
3.8 "AJ" Indoor Unit: Malfunction of Capacity Determination Device ..........180
3.9 "C4" Indoor Unit: Malfunction of Thermistor (R2T) for
Heat Exchanger....................................................................................181
3.10 "C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes..........182
3.11 "C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........183
3.12 "CJ" Indoor Unit: Malfunction of Thermostat Sensor in
Remote Controller ................................................................................184
3.13 "E1" Outdoor Unit: PC Board Defect ......................................................185
3.14 "E3" Outdoor Unit: Actuation of High Pressure Switch ..........................186
3.15 "E4" Outdoor Unit: Actuation of Low Pressure Sensor ..........................187
3.16 "E5" Outdoor Unit: Compressor Motor Lock ..........................................188
3.17 "E6" Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............189
3.18 "E7" Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................190
3.19 "E9" Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E, Y2E)...............................................192
3.20 "F3" Outdoor Unit: Abnormal Discharge Pipe Temperature ..................194
3.21 "F6" Outdoor Unit: Refrigerant Overcharged.........................................195
3.22 "H7" Outdoor Unit: Abnormal Outdoor Fan Motor Signal.......................196
3.23 "H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air.....197
3.24 "J2" Outdoor Unit: Current Sensor Malfunction ....................................198
3.25 "J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor
(R3, R31~33T) .....................................................................................199
3.26 "J5" Outdoor Unit: Malfunction of Thermistor (R2T) for Suction Pipe ...200
3.27 "J6" Outdoor Unit: Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger Deicer...................................................201
3.28 "J7" Outdoor Unit: Malfunction of Receiver Outlet Liquid
Pipe Thermistor (R6T)..........................................................................202
Part 6 Part 6
Part 6 Part 6
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