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Daikin R25DV1 - User Manual

Daikin R25DV1
268 pages
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Si01 - 501
SPLIT Pair
D-Series
[Applied Models]
zNon-Inverter Pair : Cooling Only

Table of Contents

Questions and Answers

  • R
    rodriguezsherryAug 7, 2025
    What to do if my Daikin Air Conditioner operation stopped suddenly?
    • M
      Michael BryantAug 8, 2025
      If your Daikin Air Conditioner stops suddenly and the OPERATION lamp is on, it might be due to a large voltage fluctuation, which triggers system protection. The unit will automatically resume operation in about 3 minutes.
  • D
    Dr. Beth Hawkins DDSAug 12, 2025
    Why is my Daikin Air Conditioner outdoor unit leaking water?
    • L
      Logan WilsonAug 13, 2025
      The water or steam emitted from the outdoor unit of your Daikin Air Conditioner is due to moisture in the air condensing on the cool surface of the outdoor unit's piping, which then drips as water.
  • M
    michaelhoffmanAug 17, 2025
    Why does mist come out of my Daikin R25DV1?
    • D
      Deanna PetersAug 17, 2025
      The mist coming out of your Daikin Air Conditioner indoor unit happens when the cold airflow cools the room air, causing it to condense into mist during cooling operation.
  • B
    Brittany BlevinsAug 23, 2025
    How to get rid of the odor from Daikin Air Conditioner?
    • B
      Barbara McconnellAug 23, 2025
      If your Daikin Air Conditioner indoor unit gives out an odor, it is recommended to have the indoor unit professionally cleaned by a technician. Consult the service shop where you bought the air conditioner.
  • M
    Michelle PaceAug 27, 2025
    Why does my Daikin R25DV1 Air Conditioner not start right away?
    • K
      Kristi PerryAug 27, 2025
      If your Daikin Air Conditioner doesn't start immediately after pressing the ON/OFF button soon after stopping it or reselecting the mode, this is normal. You should wait approximately 3 minutes for the system to restart.
  • L
    Lisa BurkeSep 1, 2025
    Why is the Daikin Air Conditioner outdoor fan running when it's off?
    • G
      gentryamySep 1, 2025
      The outdoor fan in your Daikin Air Conditioner may continue rotating for about 60 seconds after operation stops to protect the system. Additionally, if the outdoor temperature is very high, the fan might start rotating even when the air conditioner is not in operation, also for system protection.

Summary

Part 2 Specifications

1. Specifications

Technical details and ratings for various indoor and outdoor unit models.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Printed Circuit Board Connector Wiring Diagram

Details of PCB connectors and their functions for indoor and outdoor units.

Part 4 Details of Functions

2.1 Safety Precautions

Part 6 Service Diagnosis

1. Caution for Diagnosis

Important precautions to follow before performing any diagnostic procedures.

2. Troubleshooting by Symptoms

Guide to diagnosing and resolving issues based on observed symptoms.

3. Service Check Function

Procedures for using the remote controller to access diagnostic codes.

4. Troubleshooting

Comprehensive guide to diagnosing and resolving various operational faults.

4.1 Error Codes and Description

4.2 Indoor Unit PCB Abnormality

4.3 Freeze-up Protection Control

4.4 Fan Motor or Related Abnormality

4.5 Thermistor or Related Abnormality (Indoor Unit)

4.6 Signal Transmission Error (between Indoor and Outdoor Units)

4.7 OL Activation (Compressor Overload)

4.8 Compressor Lock

4.9 DC Fan Lock

4.10 Input Over Current Detection

4.11 Discharge Pipe Temperature Control

4.12 High Pressure Control in Cooling

4.13 Position Sensor Abnormality

4.14 CT or Related Abnormality

4.15 Thermistor or Related Abnormality (Outdoor Unit)

4.16 Electrical Box Temperature Rise

4.17 Radiation Fin Temperature Rise

4.18 Output Over Current Detection

4.19 Insufficient Gas

4.20 Low-voltage Detection

Part 7 Removal Procedure

1.5 Removal of Electrical Box

1.6 Removal of PCB

1.7 Removal of Drain Pan Unit

1.8 Removal of Fan Motor

1.9 Removal of Heat Exchanger

1.10 Removal of Fan Rotor

2.4 Removal of Electrical Box; PCB; Swing Motor

2.5 Removal of Heat Exchanger

2.6 Removal of Fan Rotor; Fan Motor

3.3 Removal of Electrical Device Mounting Plate

3.4 Removal of Propeller Fan and Fan Motor

3.5 Removal of Sound Blanket

3.7 Removal of Compressor

4.2 Removal of Electrical Box

4.3 Removal of Compressor

5.2 Removal of the Fan Motor; Propeller Fan

5.3 Removal of the PCB; Electrical Box

5.4 Removal of the Reactor

5.5 Removal of the Sound Blanket

5.6 Removal of the Electronic Expansion Valve

5.7 Removal of the Compressor

1.1 Test Run from the Remote Controller

Daikin R25DV1 Specifications

General IconGeneral
BrandDaikin
ModelR25DV1
CategoryAir Conditioner
LanguageEnglish

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