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Daikin RK25JV1NB User Manual

Daikin RK25JV1NB
142 pages
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SIE-86
Table of Contents i
Inverter Pair
FTK(X)-J / RK(X)-J Series
Cooling Only
Indoor Unit
FTK25JV1NB
FTK35JV1NB
Outdoor Unit
RK25JV1NB
RK35JV1NB
Heat Pump
Indoor Unit
FTX25JV1NB
FTX35JV1NB
Outdoor Unit
RX25JV1NB
RX35JV1NB
Si-86.book Page i Friday, June 23, 2000 10:26 AM

Table of Contents

Questions and Answers:

Daikin RK25JV1NB Specifications

General IconGeneral
BrandDaikin
ModelRK25JV1NB
CategoryInverter
LanguageEnglish

Summary

1. Introduction

1.1 Safety Cautions

Essential safety rules and pictograms for repair work.

1.1.1 Caution in Repair

Specific safety warnings and guidelines for performing repair work on the unit.

1.1.2 Cautions Regarding Products after Repair

Safety guidelines and warnings related to product handling and post-repair procedures.

Part 1 List of Function

1. Functions: Indoor Unit and Outdoor Unit

Comprehensive list of functions for both indoor and outdoor units, categorized for clarity.

Part 2 Printed Circuit Board Connector Wiring Diagram

Connector Wiring Diagrams and Names

Identifies and illustrates connectors for various printed circuit boards within the units.

Part 3 Main Function

1. General Functionality

Explains fundamental operational aspects and controls of the air conditioning system.

Part 4 System Configuration

1. Instruction

Provides essential instructions and safety precautions for system operation.

Part 6 Removal Procedure

2.8 Removal of Compressor

Detailed procedure for removing the compressor, including safety warnings.

Part 5 Service Diagnosis

2. Problem Symptoms and Measures

Lists common problems and their corresponding checks and measures.

4. Code Indication on The Remote Controller

Lists error codes displayed on the remote controller and their fault descriptions.

4.1 Error Codes and Description of Fault

Comprehensive list of error codes and their corresponding fault descriptions for remote controller display.

5. Troubleshooting

Common troubleshooting steps for various issues encountered with the unit.

5.1 Indoor Units

Troubleshooting specific issues related to the indoor unit.

5.2 Outdoor Units

Troubleshooting specific issues related to the outdoor unit and its LEDs.

5.3 Faulty PCB (A1)

Diagnosing and addressing issues related to a faulty PCB (A1).

5.4 Operation Shutdown Due to High-Pressure Control or Freeze-Up Protection (A5)

Troubleshooting operation shutdowns caused by high-pressure or freeze-up protection.

5.5 Operation Halt Due to Fan Motor (AC Motor) or Related Abnormality (A6)

Diagnosing and resolving issues related to fan motor operation or abnormalities.

5.6 Operation Halt Due to Detection of Thermistor or Related Abnormality (C4,C9,CA)

Troubleshooting operation halts caused by thermistor errors or abnormalities.

5.7 Faulty Indoor Unit PCB

Steps for diagnosing and resolving issues related to a faulty indoor unit PCB.

5.8 Faulty Indoor Unit PCB

Further troubleshooting for faulty indoor unit PCB related to transmission circuits.

5.9 Power Supply Abnormalities or Faulty Indoor Printed Circuit Boards (U4)

Addresses power supply issues and faulty indoor PCBs indicated by code U4.

5.10 Signal Transmission Error (Between Indoor and Outdoor Units) (U4)

Diagnosing and resolving signal transmission errors between indoor and outdoor units.

5.11 Operation Halt Due to Detection of CT Error (H8)

Troubleshooting operation halts caused by CT errors, indicating current detection issues.

5.12 Operation Halt Due to Thermistor Error or Disconnection Detection (J3,J6,H9)

Resolving operation halts due to thermistor errors or disconnections detected by specific codes.

5.13 Operation Halt Due to Compressor Startup Error (E6)

Troubleshooting compressor startup errors indicated by code E6.

5.14 Output Overcurrent (L5)

Addresses issues related to output overcurrent detected during compressor operation.

5.17 Operation Halt Due to Detection of Input Over Current (E8)

Troubleshooting operation halts due to input overcurrent detection, indicated by code E8.

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