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Daikin RY71FUVAL User Manual

Daikin RY71FUVAL
501 pages
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Pocket
Manual
Service Diagnosis
Si20 - 701_B

Table of Contents

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Daikin RY71FUVAL Specifications

General IconGeneral
ModelRY71FUVAL
CategoryAir Conditioner
ManufacturerDaikin
Air Flow (Indoor)12.5 m³/min
Cooling Capacity7100 W
Heating Capacity8000 W
Power Supply220-240V, 50Hz

Summary

Symptom-based Troubleshooting

2.2 Equipment does not Operate

Troubleshooting steps for when the equipment fails to operate, listing supposed causes.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Diagnosing the cause when the indoor fan operates but the compressor does not.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Troubleshooting procedures for units that start and then stop operation immediately.

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

Addressing issues where the unit cannot be restarted shortly after shutting down.

2.6 Equipment Operates but does not Provide Cooling

Troubleshooting when the unit operates but fails to deliver cooling.

2.7 Equipment Operates but does not Provide Heating

Diagnosing issues when the unit operates but does not provide heating.

Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

Detailed steps for performing self-diagnosis using the remote controller.

3.2 Error Codes and Description

Lists and describes error codes for indoor and outdoor units.

3.4 A0 Error of External Protection Device

Troubleshooting for error A0 related to external protection device activation.

3.5 A1 Indoor Unit PCB Abnormality

Diagnosing abnormalities with the indoor unit PCB, including E2PROM data issues.

3.6 A3 Drain Water Level System Abnormality

Troubleshooting for abnormal drain water level or float switch issues.

3.7 A6 Indoor Unit Fan Motor Abnormality

Diagnosing abnormalities with the indoor unit fan motor, including lock and overload.

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