Daikin VRV III REYQ8PY1B Service Manual

Also see for VRV III REYQ10PY1B: Installation manual Operation manual

Contents

Daikin VRV III REYQ8PY1B Service Manual Manual pdf 242 page image

SiBE37-701Troubleshooting 231Part 6Troubleshooting1. Symptom-based Troubleshooting .......................................................2342. Troubleshooting by Remote Controller ...............................................2372.1 The INSPECTION / TEST Button.........................................................2372.2 Self-diagnosis by Wired Remote Controller .........................................2382.3 Self-diagnosis by Wireless Remote Controller .....................................2392.4 Inspection Mode ...................................................................................2422.5 Remote Controller Service Mode .........................................................2432.6 Test Run Mode.....................................................................................2452.7 Remote Controller Self-Diagnosis Function .........................................2453. Troubleshooting by Indication on the Remote Controller ....................2523.1 “A0” Indoor Unit: Error of External Protection Device............................2523.2 “A1” Indoor Unit: PC Board Defect ........................................................2533.3 “A3” Indoor Unit: Malfunction of Drain Level Control System (S1L) ......2543.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, Overload...............................256“A6” Indoor Unit : Malfunction of Indoor Unit Fan Motor........................258“A6” Indoor Uint : Overload / Overcurrent /Lock of Indoor Unit Fan Motor..............................................................2593.5 “A7” Indoor Unit: Malfunction of Swing Flap Motor (M1S).....................2603.6 “A9” Electronic Expansion Valve Malfunction / Dust Clogging ..............262“A9” Indoor Unit: Malfunction of Electronic Expansion Valve Coil.........2643.7 “AF” Indoor Unit: Drain Level above Limit .............................................2663.8 “AJ” Indoor Unit: Malfunction of Capacity Determination Device ..........2673.9 “C4” Indoor Unit: Malfunction of Thermistor (R2T) forHeat Exchanger....................................................................................2683.10 “C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes .........2693.11 “C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........2703.12 “CJ” Indoor Unit: Malfunction of Thermostat Sensorin Remote Controller ............................................................................2713.13 “E1” Outdoor Unit: PC Board Defect .....................................................2723.14 “E3” Outdoor Unit: Actuation of High Pressure Switch..........................2733.15 “E4” Outdoor Unit: Actuation of Low Pressure Sensor..........................2753.16 “E5” Outdoor Unit: Inverter Compressor Motor Lock.............................2773.17 “E6” Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............2793.18 “E7” Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................2803.19 “E9” Outdoor Unit: Malfunction of Moving Part ofElectronic Expansion Valve (Y1E~Y5E)...............................................2833.20 “F3” Outdoor Unit: Abnormal Discharge Pipe Temperature..................2853.21 “F6” Outdoor Unit: Refrigerant Overcharged.........................................2873.22 “F9” Outdoor Unit : Malfunction ofBS Unit Electronic Expansion Valve.....................................................2883.23 “H7” Outdoor Unit: Abnormal Outdoor Fan Motor Signal ......................2903.24 “H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air.....2923.25 “J2” Outdoor Unit: Current Sensor Malfunction ....................................2933.26 “J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor(R31T, R32T, R33T).............................................................................294