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Daikin RY50GAV1A User Manual

Daikin RY50GAV1A
501 pages
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Pocket
Manual
Service Diagnosis
Si20 - 701_B

Table of Contents

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Daikin RY50GAV1A Specifications

General IconGeneral
Model NumberRY50GAV1A
CategoryAir Conditioner
TypeSplit System
Cooling Capacity5.0 kW
Heating Capacity5.6 kW
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (Heating)3.61
Power Supply220-240V, 50Hz
RefrigerantR410A
Indoor Unit Weight13 kg

Summary

Symptom-based Troubleshooting

2.2 Equipment does not Operate

Details troubleshooting steps for when the equipment fails to operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Addresses the issue where the indoor fan runs, but the compressor does not.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Troubleshooting for cooling/heating operations that start and then stop abruptly.

2.5 After Unit Shuts Down, It cannot be Restarted for a While

Addresses issues with restarting the unit after it has shut down.

2.6 Equipment Operates but does not Provide Cooling

Troubleshooting steps for when the equipment operates but fails to provide cooling.

2.7 Equipment Operates but does not Provide Heating

Troubleshooting steps for when the equipment operates but fails to provide heating.

Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

Details the procedure for performing self-diagnosis using the remote controller.

3.2 Error Codes and Description

Lists and describes various error codes encountered with indoor units.

3.3 Detailed Error Codes

Provides detailed explanations and diagnostic steps for specific error codes.

3.5 A1 Indoor Unit PCB Abnormality

Troubleshooting indoor unit PCB abnormalities.

3.6 A3 Drain Water Level System Abnormality

Troubleshooting drain water level system abnormalities.

3.7 A6 Indoor Unit Fan Motor Abnormality

Troubleshooting indoor unit fan motor abnormalities.

3.8 A6 Fan Motor (M1F) Lock, Overload

Troubleshooting compressor motor lock issues.

3.9 A7 Swing Flap Motor Abnormality / Lock

Troubleshooting swing flap motor abnormalities or locks.

3.10 A8 Abnormal Power Supply Voltage

Troubleshooting abnormal power supply voltage.

3.11 A9 Electronic Expansion Valve Coil (Y1E) Abnormality

Troubleshooting electronic expansion valve coil abnormalities.

3.12 AF Drain System Abnormality

Troubleshooting drain system abnormalities.

3.13 AF Drain Level above Limit

Troubleshooting when the drain level is above the limit.

3.24 E3 High Pressure System Abnormality

Troubleshooting high pressure system abnormalities.

3.25 E3 Abnormally High Pressure Level (HPS)

Addresses abnormally high pressure levels (HPS).

3.26 E3 High Pressure Abnormality (HPS)

Troubleshooting high pressure abnormalities (HPS).

3.27 E3 Actuation of High Pressure Switch

Addresses actuation of the high pressure switch.

3.28 E4 Low Pressure System Abnormality

Troubleshooting low pressure system abnormalities.

3.29 E4 Actuation of Pressure Sensor

Addresses actuation of pressure sensors.

3.30 E4 Actuation of Low Pressure Sensor

Addresses actuation of low pressure sensors.

3.31 E4 Low Pressure System Abnormality

Troubleshooting low pressure system abnormalities.

3.32 E5 Compressor Motor Lock

Troubleshooting compressor motor lock issues.

3.33 E6 Compressor Overcurrent

Troubleshooting compressor overcurrent issues.

3.34 E7 Outdoor Unit Fan Motor Abnormality

Troubleshooting abnormalities with the outdoor unit fan motor.

3.35 E9 Electronic Expansion Valve Abnormality

Troubleshooting abnormalities with the electronic expansion valve.

3.36 E9 Electronic Expansion Valve Coil Abnormality

Troubleshooting abnormalities with the electronic expansion valve coil.

3.37 F3 Discharge Pipe Temperature Abnormality

Troubleshooting abnormalities in discharge pipe temperature.

3.38 F3 Discharge Pipe Temperature Control

Addresses control of discharge pipe temperature.

3.39 F6 Abnormal Heat Exchanging Temperature

Troubleshooting abnormal heat exchanging temperatures.

3.40 F6 Refrigerant Overcharged

Troubleshooting issues related to refrigerant overcharging.

3.41 H3 High Pressure Switch Abnormality

Troubleshooting abnormalities with the high pressure switch.

3.42 H3 High Pressure Switch System Abnormality

Troubleshooting abnormalities in the high pressure switch system.

3.43 H4 Low Pressure Sensor System Abnormality

Troubleshooting abnormalities in the low pressure sensor system.

3.44 H7 Outdoor Unit Fan Motor Signal Abnormality

Troubleshooting abnormalities in the outdoor unit fan motor signal.

3.45 H9, J3, J5, J6, J7, J8 Thermistor System Abnormality

Troubleshooting abnormalities in thermistor systems J3, J5, J6, J7, J8, H9.

3.56 L1 Outdoor Unit PCB Abnormality

Troubleshooting abnormalities with the outdoor unit PCB.

3.57 L1 Outdoor Inverter PCB Abnormality

Troubleshooting abnormalities with the outdoor inverter PCB.

3.58 L1 Outdoor Unit PCB Abnormality

Troubleshooting abnormalities with the outdoor unit PCB.

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