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Daikin RZR140KUV1 User Manual

Daikin RZR140KUV1
501 pages
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Pocket
Manual
Service Diagnosis
Si20 - 701_B

Table of Contents

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Daikin RZR140KUV1 Specifications

General IconGeneral
BrandDaikin
ModelRZR140KUV1
CategoryAir Conditioner
LanguageEnglish

Summary

Symptom-based Troubleshooting

2.1 Overview

Provides a summary of common symptoms and corresponding troubleshooting measures.

2.2 Equipment does not Operate

Details troubleshooting steps for when the equipment fails to start or operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Addresses issues where the indoor fan runs but the compressor does not engage.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Outlines steps for diagnosing intermittent operation where the unit stops shortly after starting.

2.6 Equipment Operates but does not Provide Cooling

Covers troubleshooting for units that run but fail to deliver cooling.

Troubleshooting by Remote Controller

3.1 Procedure of Self-diagnosis by Remote Controller

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

3.2 Error Codes and Description

Lists and describes various error codes displayed by the remote controller for indoor units.

3.3 Detailed Error Codes

Provides in-depth explanations and diagnostic steps for specific error codes.

3.5 A1 Indoor Unit PCB Abnormality

Covers troubleshooting for abnormalities detected in the indoor unit's PCB.

3.7 A6 Indoor Unit Fan Motor Abnormality

Explains troubleshooting for abnormalities in the indoor unit's fan motor.

3.11 A9 Electronic Expansion Valve Coil (Y1E) Abnormality

Covers troubleshooting for abnormalities in the electronic expansion valve coil.

3.14 AJ Capacity Setting Abnormality

Details troubleshooting steps for errors related to incorrect capacity settings.

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

Addresses transmission errors between the indoor unit PCB and the fan PCB.

3.21 E0 Actuation of Safety Device

Explains troubleshooting for the actuation of various safety devices.

3.23 E1 Outdoor Unit PCB Abnormality

Covers troubleshooting for abnormalities detected in the outdoor unit's PCB.

3.28 E4 Low Pressure System Abnormality

Addresses troubleshooting for low pressure system abnormalities.

3.33 E6 Compressor Overcurrent

Covers troubleshooting steps for compressor overcurrent faults.

3.41 H3 High Pressure Switch Abnormality

Covers troubleshooting for high pressure switch abnormalities.

3.43 H4 Low Pressure Sensor System Abnormality

Details troubleshooting for low pressure sensor system abnormalities.

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

Addresses troubleshooting for various thermistor system abnormalities.

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