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Daikin R100LUVAL - User Manual

Daikin R100LUVAL
501 pages
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Manual
Service Diagnosis
Si20 - 701_B

Table of Contents

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Summary

List of Applicable Models

Applicable Models Overview

Lists the series, outdoor units, and indoor units covered by the manual.

Symptom-based Troubleshooting

Overview of Symptoms

Lists common operational symptoms and their corresponding troubleshooting measures.

Equipment Does Not Operate

Details suspected causes and troubleshooting steps when the unit does not operate.

Indoor Fan Operates, Compressor Does Not

Addresses issues where the fan runs but the compressor is inactive.

Cooling;Heating Operation Starts but Stops Immediately

Troubleshooting for units that start and then stop operation unexpectedly.

Equipment Operates but No Cooling;Heating

Diagnosing why the unit runs but fails to provide cooling or heating.

Equipment Discharges White Mist or Noise

Explains causes for white mist discharge or unusual operational noises.

Troubleshooting by Remote Controller

Procedure of Self-diagnosis

Guides on using the remote controller's self-diagnosis function to identify errors.

Error Codes and Description

Maps error codes to applicable models and reference pages for troubleshooting.

Detailed Error Codes

Provides specific diagnostic information for detailed error codes.

A0 Error of External Protection Device

Details troubleshooting for external protection device activation.

A1 Indoor Unit PCB Abnormality

Addresses issues related to the indoor unit's printed circuit board.

E3 High Pressure System Abnormality

Guides on troubleshooting high-pressure-related system faults.

E4 Low Pressure System Abnormality

Guides on troubleshooting low-pressure-related system faults.

LC Transmission Error Between Inverter and Control PCB

Details troubleshooting for communication errors between PCBs.

U0 Refrigerant Shortage

Explains causes and troubleshooting for low refrigerant levels.

U4 Transmission Error Between Indoor Unit and Outdoor Unit

Covers errors related to inter-unit communication and wiring.

UA Improper Combination of Units or Remote Controller

Troubleshooting for incorrect unit or controller configurations.

UF Mis-connection of Field Wiring

Addresses issues arising from incorrect field wiring.

Summary

List of Applicable Models

Applicable Models Overview

Lists the series, outdoor units, and indoor units covered by the manual.

Symptom-based Troubleshooting

Overview of Symptoms

Lists common operational symptoms and their corresponding troubleshooting measures.

Equipment Does Not Operate

Details suspected causes and troubleshooting steps when the unit does not operate.

Indoor Fan Operates, Compressor Does Not

Addresses issues where the fan runs but the compressor is inactive.

Cooling;Heating Operation Starts but Stops Immediately

Troubleshooting for units that start and then stop operation unexpectedly.

Equipment Operates but No Cooling;Heating

Diagnosing why the unit runs but fails to provide cooling or heating.

Equipment Discharges White Mist or Noise

Explains causes for white mist discharge or unusual operational noises.

Troubleshooting by Remote Controller

Procedure of Self-diagnosis

Guides on using the remote controller's self-diagnosis function to identify errors.

Error Codes and Description

Maps error codes to applicable models and reference pages for troubleshooting.

Detailed Error Codes

Provides specific diagnostic information for detailed error codes.

A0 Error of External Protection Device

Details troubleshooting for external protection device activation.

A1 Indoor Unit PCB Abnormality

Addresses issues related to the indoor unit's printed circuit board.

E3 High Pressure System Abnormality

Guides on troubleshooting high-pressure-related system faults.

E4 Low Pressure System Abnormality

Guides on troubleshooting low-pressure-related system faults.

LC Transmission Error Between Inverter and Control PCB

Details troubleshooting for communication errors between PCBs.

U0 Refrigerant Shortage

Explains causes and troubleshooting for low refrigerant levels.

U4 Transmission Error Between Indoor Unit and Outdoor Unit

Covers errors related to inter-unit communication and wiring.

UA Improper Combination of Units or Remote Controller

Troubleshooting for incorrect unit or controller configurations.

UF Mis-connection of Field Wiring

Addresses issues arising from incorrect field wiring.

Daikin R100LUVAL Specifications

General IconGeneral
BrandDaikin
ModelR100LUVAL
CategoryAir Conditioner
LanguageEnglish

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