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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

  • M
    Michael HallAug 14, 2025
    What to do if Daikin Inverter operation stops suddenly and the OPERATION lamp blinks?
    • M
      Michelle MartinAug 14, 2025
      If your Daikin Inverter stops suddenly and the OPERATION lamp is blinking, clean the air filters or remove any obstacles. Then, turn the breaker OFF, turn it back ON, and try operating the air conditioner using the remote controller.
  • C
    Carmen BoyleAug 18, 2025
    Why is the cooling or heating effect poor on my Daikin RK25JV1NB Inverter?
    • M
      Mark YoungAug 18, 2025
      A poor cooling or heating effect from your Daikin Inverter could be due to several reasons. Ensure the air filters are clean and that nothing is blocking the air inlet or outlet of either the indoor or outdoor units. Check if the temperature setting is appropriate, and make sure windows and doors are closed. Also, verify that the airflow rate and direction are set correctly and that the unit is not set to Intelligent Eye mode.
  • J
    Jessica RivasAug 21, 2025
    Why does my Daikin RK25JV1NB Inverter outdoor unit emit water or steam?
    • M
      mccoychadAug 21, 2025
      The outdoor unit emits water or steam due to the following reasons: * In HEAT mode, the frost on the outdoor unit melts into water or steam when the air conditioner is in defrost operation. * In COOL or DRY mode, moisture in the air condenses into water on the cool surface of outdoor unit piping and drips.
  • K
    kristen15Aug 25, 2025
    Why hot air does not flow out soon after starting Daikin RK25JV1NB heating operation?
    • D
      Duane HansonAug 25, 2025
      If hot air does not flow out soon after starting the heating operation, you should wait for 1 to 4 minutes.
  • A
    Andrea DiazAug 27, 2025
    Why Daikin RK25JV1NB Inverter operation does not start soon?
    • N
      Nancy MeyerAug 27, 2025
      If the operation does not start soon, you should wait for about 3 minutes.
  • C
    Curtis GloverAug 31, 2025
    What to do if my Daikin RK25JV1NB Inverter air conditioner does not operate and the OPERATION lamp is off?
    • F
      Faith NunezAug 31, 2025
      If your Daikin Inverter isn't operating and the OPERATION lamp is off, check a few things: see if a breaker has turned OFF or a fuse has blown. Also, check for a power failure. Ensure batteries are correctly installed in the remote controller, and verify that the address switch in the remote controller is set correctly. Finally, confirm that the timer setting is correct.
  • A
    Aaron Perez DDSSep 3, 2025
    Why does my Daikin RK25JV1NB indoor unit give out an odor?
    • Z
      Zachary GarciaSep 4, 2025
      The odor from your Daikin Inverter's indoor unit occurs when smells from the room, furniture, or cigarettes are absorbed into the unit and discharged with the airflow. If this happens, it is recommended to have the indoor unit cleaned by a technician. Consult the service shop where you bought the air conditioner.
  • B
    Bryan BakerSep 7, 2025
    What to do if my Daikin Inverter air conditioner malfunctions with lightning or radio waves?
    • Z
      Zachary BrownSep 7, 2025
      If your Daikin Inverter malfunctions due to lightning or radio waves, turn the breaker OFF, then turn it back ON. After that, try operating the air conditioner with the remote controller.
  • S
    Stephanie MontgomerySep 10, 2025
    What to do if Daikin Inverter heating operation stops suddenly and a flowing sound is heard?
    • R
      Raymond MillerSep 10, 2025
      If the heating operation stops suddenly and a flowing sound is heard, you should wait for about 3 to 8 minutes.

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.

Daikin RK25JV1NB Specifications

General IconGeneral
BrandDaikin
ModelRK25JV1NB
CategoryInverter
LanguageEnglish

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