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Daikin RY140LUY1 User Manual

Daikin RY140LUY1
501 pages
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Pocket
Manual
Service Diagnosis
Si20 - 701_B

Table of Contents

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Daikin RY140LUY1 Specifications

General IconGeneral
BrandDaikin
ModelRY140LUY1
CategoryAir Conditioner
LanguageEnglish

Summary

Symptom-based Troubleshooting

2.2 Equipment does not Operate

Troubleshooting steps for when the equipment fails to operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Guidance for diagnosing issues where the indoor fan runs but the compressor does not.

2.4 Cooling / Heating Operation Starts but Stops Immediately

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

2.6 Equipment Operates but does not Provide Cooling

Troubleshooting steps for units that operate but do not provide cooling.

2.7 Equipment Operates but does not Provide Heating

Guidance for diagnosing units that operate but fail to provide heating.

Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

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

3.2 Error Codes and Description

Lists and describes various error codes encountered during operation.

3.3 Detailed Error Codes

Provides detailed explanations and diagnostic steps for specific error codes.

3.4 A0 Error of External Protection Device

Troubleshooting for error code A0 related to external protection device activation.

3.5 A1 Indoor Unit PCB Abnormality

Diagnosing and resolving issues related to indoor unit PCB abnormalities (Error A1).

3.6 A3 Drain Water Level System Abnormality

Troubleshooting steps for drain water level system abnormalities (Error A3).

3.7 A6 Indoor Unit Fan Motor Abnormality

Steps to diagnose and fix indoor unit fan motor abnormalities (Error A6).

3.11 A9 Electronic Expansion Valve Coil (Y1E) Abnormality

Troubleshooting for abnormalities in the electronic expansion valve coil (Error A9).

3.15 C1 Transmission Error

Guidance for resolving transmission errors between PCBs (Error C1).

3.21 E0 Actuation of Safety Device

Troubleshooting steps for safety device actuation errors (Error E0).

3.23 E1 Outdoor Unit PCB Abnormality

Steps to diagnose and resolve outdoor unit PCB abnormalities (Error E1).

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