Daikin RXMQ4·5·6PVE Service Manual
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Contents
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Si34-603Troubleshooting 111Part 7Part 7Part 7Part 7TroubleshootingTroubleshootingTroubleshootingTroubleshooting1. Symptom-based Troubleshooting .......................................................1132. Troubleshooting by Remote Controller ...............................................1162.1 The INSPECTION / TEST Button.........................................................1162.2 Self-diagnosis by Wired Remote Controller .........................................1172.3 Self-diagnosis by Wireless Remote Controller .....................................1182.4 Operation of the Remote Controller’s Inspection /Test Operation Button ..........................................................................1202.5 Remote Controller Service Mode .........................................................1212.6 Remote Controller Self-Diagnosis Function .........................................1233. Troubleshooting by Indication on the Remote Controller ....................1303.1 “A0” Indoor Unit: Error of External Protection Device ...........................1303.2 “A1” Indoor Unit: PC Board Defect.........................................................1313.3 “A3” Indoor Unit: Malfunction of Drain Level Control System (33H)......1323.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, Overload...............................1343.5 “A7” Indoor Unit: Malfunction of Swing Flap Motor (MA) .......................1353.6 “A9” Indoor Unit: Malfunction of Moving Part ofElectronic Expansion Valve (20E) ........................................................1373.7 “AF” Indoor Unit: Drain Level above Limit..............................................1393.8 “AJ” Indoor Unit: Malfunction of Capacity Determination Device ..........1403.9 “C4” Indoor Unit: Malfunction of Thermistor (R2T)for Heat Exchanger ..............................................................................1413.10 “C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes..........1423.11 “C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........1433.12 “CA” Indoor Unit: Malfunction of Thermistor for Discharge Air...............1443.13 “CJ” Indoor Unit: Malfunction of Thermostat Sensor inRemote Controller ................................................................................1453.14 “E1” Outdoor Unit: PC Board Defect ......................................................1463.15 “E3” Outdoor Unit: Actuation of High Pressure Switch ..........................1473.16 “E4” Outdoor Unit: Actuation of Low Pressure Sensor ..........................1493.17 “E5” Compressor Motor Lock ................................................................1513.18 “E7” Malfunction of Outdoor Unit Fan Motor..........................................1523.19 “E9” Outdoor Unit: Malfunction of Moving Part ofElectronic Expansion Valve (Y1E, Y3E)...............................................1533.20 “F3” Outdoor Unit: Abnormal Discharge Pipe Temperature ..................1553.21 “F6” Outdoor Unit: Refrigerant Overcharged.........................................1563.22 “H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air.....1573.23 “J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T) ....1583.24 “J5” Outdoor Unit: Malfunction of Thermistor (R3T, R5T) forSuction Pipe 1, 2 ..................................................................................1593.25 “J6” Outdoor Unit: Malfunction of Thermistor (R4T) forOutdoor Unit Heat Exchanger ..............................................................1603.26 “J7” Outdoor Unit: Malfunction of Thermistor (R7T) forOutdoor Unit Liquid Pipe ......................................................................1613.27 “J9” Outdoor Unit: Malfunction of Subcooling HeatExchanger Gas Pipe Thermistor (R6T) ................................................162 |
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