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Daikin RY71KUV1 User Manual

Daikin RY71KUV1
501 pages
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Pocket
Manual
Service Diagnosis
Si20 - 701_B

Table of Contents

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Daikin RY71KUV1 Specifications

General IconGeneral
ModelRY71KUV1
CategoryAir Conditioner
TypeOutdoor Unit
Cooling Capacity7.1 kW
Heating Capacity8.0 kW
RefrigerantR32
Power Supply220-240V, 50Hz
Operating Temperature (Cooling)-10 to 46°C
Noise Level (Outdoor)49 dB(A)

Summary

2. Symptom-based Troubleshooting

2.1 Overview

Provides a general overview of troubleshooting symptoms.

2.2 Equipment does not Operate

Details troubleshooting steps when the equipment fails to operate.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Outlines troubleshooting for intermittent cooling or heating operation.

2.6 Equipment Operates but does not Provide Cooling

Covers troubleshooting when cooling performance is absent.

2.9 Equipment Produces Loud Noise or Vibration

Details causes and solutions for noise and vibration issues.

3. Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

Explains how to perform self-diagnosis using the remote controller.

3.2 Error Codes and Description

Lists and describes various error codes for the system.

3.3 Detailed Error Codes

Provides in-depth explanations for specific error codes.

3.4 A0 Error of External Protection Device

Details troubleshooting for error code A0 related to external protection devices.

3.5 A1 Indoor Unit PCB Abnormality

Covers troubleshooting for A1 error indicating indoor unit PCB abnormality.

3.6 A3 Drain Water Level System Abnormality

Addresses A3 error related to drain water level system abnormalities.

3.7 A6 Indoor Unit Fan Motor Abnormality

Details troubleshooting for A6 error concerning indoor unit fan motor abnormalities.

3.11 A9 Electronic Expansion Valve Coil (Y1E) Abnormality

Details troubleshooting for A9 error related to the electronic expansion valve coil.

3.15 C1 Transmission Error (between Indoor Unit PCB and Fan PCB)

Covers C1 error related to transmission issues between indoor unit and fan PCB.

3.21 E0 Actuation of Safety Device

Explains the actuation of safety devices.

3.24 E3 High Pressure System Abnormality

Details troubleshooting for E3 error concerning high pressure system abnormalities.

1. List of Applicable Models

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