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Daikin R26NUY14 User Manual

Daikin R26NUY14
501 pages
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Manual
Service Diagnosis
Si20 - 701_B

Table of Contents

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Daikin R26NUY14 Specifications

General IconGeneral
BrandDaikin
ModelR26NUY14
CategoryAir Conditioner
LanguageEnglish

Summary

Symptom-based Troubleshooting

2.2 Equipment does not Operate

Troubleshooting guide for scenarios where the equipment fails to start or operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Diagnosing issues when the indoor fan runs but the compressor remains inactive.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Troubleshooting steps for systems that start and then quickly shut down.

2.6 Equipment Operates but does not Provide Cooling

Guide for diagnosing when the unit runs but fails to deliver cooling.

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

List and explanation of error codes displayed for indoor units.

3.3 Detailed Error Codes

In-depth explanations and diagnostic procedures for specific error codes.

3.5 A1 Indoor Unit PCB Abnormality

Troubleshooting guide for abnormalities detected in the indoor unit's PCB.

3.6 A3 Drain Water Level System Abnormality

Diagnosing issues related to the drain water level system abnormality.

3.7 A6 Indoor Unit Fan Motor Abnormality

Troubleshooting steps for indoor unit fan motor abnormalities or lock conditions.

3.11 A9 Electronic Expansion Valve Coil (Y1E) Abnormality

Guide for diagnosing abnormalities with the electronic expansion valve coil.

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

Troubleshooting transmission errors between indoor unit PCB and fan PCB.

3.21 E0 Actuation of Safety Device

Diagnosing issues related to the actuation of safety devices.

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