Daikin VRV II RXYQ8MY1K Service Manual

Contents

Daikin VRV II RXYQ8MY1K Service Manual Manual pdf 144 page image

Si39-502ATroubleshooting 133Part 6Part 6Part 6Part 6TroubleshootingTroubleshootingTroubleshootingTroubleshooting1. Symptom-based Troubleshooting .......................................................1362. Troubleshooting by Remote Controller ...............................................1392.1 The INSPECTION / TEST Button.........................................................1392.2 Self-diagnosis by Wired Remote Controller .........................................1402.3 Self-diagnosis by Wireless Remote Controller .....................................1412.4 Operation of The Remote Controller’s Inspection /Test Operation Button ..........................................................................1432.5 Remote Controller Service Mode .........................................................1442.6 Remote Controller Self-Diagnosis Function .........................................1463. Troubleshooting by Indication on the Remote Controller ....................1513.1 “A0” Indoor Unit: Error of External Protection Device ...........................1513.2 “A1” Indoor Unit: PC Board Defect.........................................................1523.3 “A3” Indoor Unit: Malfunction of Drain Level Control System (S1L) ......1533.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, Overload...............................1553.5 “A7” Indoor Unit: Malfunction of Swing Flap Motor (MA) .......................1563.6 “A9” Indoor Unit: Malfunction of Moving Part of ElectronicExpansion Valve (20E).........................................................................1583.7 “AF” Indoor Unit: Drain Level above Limit..............................................1603.8 “AJ” Indoor Unit: Malfunction of Capacity Determination Device ..........1613.9 “C4” Indoor Unit: Malfunction of Thermistor (R2T) forHeat Exchanger....................................................................................1623.10 “C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes..........1633.11 “C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........1643.12 “CJ” Indoor Unit: Malfunction of Thermostat Sensorin Remote Controller ............................................................................1653.13 “E1” Outdoor Unit: PC Board Defect ......................................................1663.14 “E3” Outdoor Unit: Actuation of High Pressure Switch ..........................1673.15 “E4” Outdoor Unit: Actuation of Low Pressure Sensor ..........................1683.16 “E5” Outdoor Unit: Compressor Motor Lock ..........................................1693.17 “E6” Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............1703.18 “E7” Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................1723.19 “E9” Outdoor Unit: Malfunction of Moving Part ofElectronic Expansion Valve (Y1E, Y2E)...............................................1743.20 “F3” Outdoor Unit: Abnormal Discharge Pipe Temperature ..................1763.21 “F6” Outdoor Unit: Refrigerant Overcharged.........................................1773.22 “H7” Outdoor Unit: Abnormal Outdoor Fan Motor Signal.......................1783.23 “H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air.....1793.24 “J2” Outdoor Unit: Current Sensor Malfunction ....................................1803.25 “J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor(R3, R31 or 32T) ..................................................................................1813.26 “J5” Outdoor Unit: Malfunction of Thermistor (R2T) forSuction Pipe .........................................................................................1823.27 “J6” Outdoor Unit: Malfunction of Thermistor (R4T) forOutdoor Unit Heat Exchanger Deicer...................................................183