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Daikin RXL15WMVJU9 User Manual

Daikin RXL15WMVJU9
255 pages
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[Applied Models]
Inverter Pair : Heat Pump
Service
Manual
SiUS092231E
Inverter Pair RXL-W Series

Table of Contents

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Daikin RXL15WMVJU9 Specifications

General IconGeneral
BrandDaikin
ModelRXL15WMVJU9
CategoryHeat Pump
LanguageEnglish

Summary

Introduction

Safety Cautions

Provides essential warnings and cautions to ensure safe operation and maintenance.

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 4 Functions and Control

Part 6 Service Diagnosis

Error Codes and Description

A comprehensive list of error codes and their corresponding descriptions and reference pages.

Troubleshooting for FTX, FVXS Series

Detailed troubleshooting steps for common errors specific to FTX and FVXS series.

Troubleshooting for FDMQ Series

Detailed troubleshooting steps for common errors specific to FDMQ series.

Troubleshooting for Outdoor Unit

Troubleshooting procedures for various issues related to the outdoor unit.

Error Codes and Description

U0 Refrigerant shortage

Error code for refrigerant shortage, indicating insufficient refrigerant in the system.

U2 Low-voltage Detection or Over-voltage Detection

Detects abnormal voltage levels, indicating potential power supply issues.

U4 Signal transmission error (between indoor unit and outdoor unit)

Indicates a communication failure between the indoor and outdoor units.

Troubleshooting for FTX, FVXS Series

5.1 Indoor Unit PCB Abnormality

Troubleshooting steps for Indoor Unit PCB Abnormality (Error Code A1).

5.2 Freeze-up Protection Control/Heating Peak-cut Control

Troubleshooting for Freeze-up Protection and Heating Peak-cut controls (Error Code A5).

5.5 Low-voltage Detection or Over-voltage Detection

Troubleshooting for voltage detection errors, including low and over-voltage (Error Code U2).

5.6 Signal Transmission Error (Between Indoor Unit and Outdoor Unit)

Troubleshooting for signal transmission errors between indoor and outdoor units (Error Code U4).

Troubleshooting for FDMQ Series

6.1 Indoor Unit PCB Abnormality

Troubleshooting steps for Indoor Unit PCB Abnormality (Error Code A1).

6.2 Drain Level Control System Abnormality

Troubleshooting for drain level control system abnormalities (Error Code A3).

6.8 Low-voltage Detection or Over-voltage Detection

Troubleshooting for voltage detection errors, including low and over-voltage (Error Code U2).

Troubleshooting for Outdoor Unit

Check

Part 7 Trial Operation and Field Settings

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