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Daikin RXS25D2VMB - User Manual

Daikin RXS25D2VMB
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SiEBE04-507A
Service Manual
/ Inverter Pair Wall Mounted Type D-Series
SiENBE04-507A
Ser vice
Manual
[Applied Models]
!Inverter Pair : Cooling Only
!Inverter Pair : Heat Pump
Inverter Pair
Wall Mounted Type D-Series
Daikin Europe N.V. participates in the Eurovent
Certification Programme for Air Conditioners (AC),
Liquid Chilling Packages (LCP) and Fan Coil Units (FC);
the certified data of certified models are listed in the
Eurovent Directory.
ISO14001 assures an effective environmental
management system in order to help protect human
health and the environment from the potential impact
of our activities, products and services and to assist in
maintaining and improving the quality of the
environment.
Daikin Europe N.V. is approved by LRQA for its Quality
Management System in accordance with the ISO9001
standard. ISO9001 pertains to quality assurance
regarding design, development, manufacturing as well
as to services related to the product.
Daikin units comply with the European regulations that
guarantee the safety of the product.
SiENBE04-507A • 06/2007 • Copyright © Daikin
Printed in Belgium by Lannoo, a company whose concern for the environment
is set in the EMAS and ISO 14001 systems. www.lannooprint.be
ÉSiENBE04-507AÄËÍ
Naamloze Vennootschap
Zandvoordestraat 300
B-8400 Oostende - Belgium
www.daikin.eu
BTW: BE 0412 120 336
RPR Oostende
"The present publication is drawn up by way of information only
and does not constitute an offer binding upon Daikin Europe N.V..
Daikin Europe N.V. has compiled the content of this publication to
the best of its knowledge. No express or implied warranty is given
for the completeness, accuracy, reliability or fitness for particular
purpose of its content and the products and services presented
therein. Specifications are subject to change without prior notice.
Daikin Europe N.V. explicitly rejects any liability for any direct or
indirect damage, In the broadest sense, arising from or related to
the use and/or interpretation of this publication. All content is
copyrighted by Daikin Europe N.V.."
Daikin’s unique position as a manufacturer of air
conditioning equipment, compressors and
refrigerants has led to its close involvement in
environmental issues.
For several years Daikin has had the intension to
become a leader in the provision of products
that have limited impact on the environment.
This challenge demands the eco design and
development of a wide range of products and
an energy management system, resulting in
energy conservation and a reduction of waste.

Table of Contents

Questions and Answers

  • T
    Travis MolinaAug 18, 2025
    What to do if my Daikin Air Conditioner operation stops suddenly and the OPERATION lamp flashes?
    • A
      Anthony MurphyAug 18, 2025
      If the OPERATION lamp on your Daikin Air Conditioner is flashing and the operation stops suddenly, clean the air filters or remove any obstructions. Then, turn the breaker OFF and then ON again. Try operating the air conditioner with the remote controller. If the lamp continues to flash, no answer.
  • L
    Lisa CraigAug 21, 2025
    Why does my Daikin RXS25D2VMB Air Conditioner emit water or steam?
    • M
      michael75Aug 21, 2025
      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.
  • J
    Joel DonaldsonAug 23, 2025
    What to do if my Daikin RXS25D2VMB Air Conditioner indoor unit smells bad?
    • M
      michelle59Aug 23, 2025
      If your Daikin Air Conditioner's indoor unit is emitting an odor, it is recommended to have the indoor unit cleaned by a technician.
  • K
    Karen StevensAug 26, 2025
    What to do if hot air does not flow out soon after starting my Daikin RXS25D2VMB's heating operation?
    • K
      Karen HurleyAug 26, 2025
      You should wait for 1 to 4 minutes.
  • S
    swashingtonAug 27, 2025
    Why do mists come out of the indoor unit of my Daikin RXS25D2VMB?
    • D
      Debbie AbbottAug 28, 2025
      This happens when the air in the room is cooled into mist by the cold air flow during cooling operation.
  • T
    Thomas PatelAug 30, 2025
    How to handle odour from the indoor unit of my Daikin RXS25D2VMB Air Conditioner?
    • A
      Amanda WardAug 30, 2025
      If this happens, we recommend you have the indoor unit washed by a technician. Consult the service shop where you bought the air conditioner.
  • F
    frederick20Sep 1, 2025
    Why is my Daikin RXS25D2VMB Air Conditioner outdoor unit emitting water or steam?
    • T
      tamararobbinsSep 1, 2025
      If your Daikin Air Conditioner's outdoor unit is emitting water or steam, this is normal. In HEAT mode, frost on the outdoor unit melts into water or steam during defrost operation. In COOL or DRY mode, moisture in the air condenses into water on the cool surface of the outdoor unit piping and drips.
  • E
    Emily ValdezSep 3, 2025
    Why does mist come out of my Daikin Air Conditioner indoor unit?
    • J
      Jessica BrownSep 3, 2025
      Mists coming out of the Daikin Air Conditioner's indoor unit can occur when the air in the room is cooled into mist by the cold airflow during cooling operation.
  • K
    Karen RamosSep 6, 2025
    Why does the outdoor fan on my Daikin Air Conditioner keep running when it's off?
    • K
      Katie TravisSep 6, 2025
      If the outdoor fan of your Daikin Air Conditioner rotates even when the unit is not in operation, this is normal. After stopping the operation, the fan may continue rotating for 60 seconds for system protection. Also, when the outdoor temperature is very high, the fan might start rotating for system protection.
  • M
    moralesconnorSep 8, 2025
    What to do if my Daikin RXS25D2VMB Air Conditioner operation stopped suddenly but the OPERATION lamp is on?
    • K
      Kevin Velazquez PhDSep 8, 2025
      If your Daikin Air Conditioner stops suddenly and the OPERATION lamp is on, it will automatically resume operation in about 3 minutes.

Summary

Part 1 List of Functions

1. List of Functions

Lists all functions available for different Daikin inverter models, indicating compatibility.

Part 2 Specifications

1.1 Cooling Only

Detailed technical specifications for Daikin inverter air conditioners designed solely for cooling.

Part 4 Function and Control

3. Control Specification

Details control specifications including mode hierarchy and frequency control logic.

Part 6 Service Diagnosis

4.1 Error Codes and Description

Comprehensive list of error codes displayed on the remote controller and their corresponding meanings.

Part 7 Removal Procedure

1. Indoor Unit

Section detailing procedures for disassembling various components of the indoor air conditioning unit.

Part 8 Others

1.1 Test Run from the Remote Controller

Instructions for performing a test run of the air conditioner using the remote control unit.

Part 9 Appendix

2. Wiring Diagrams

Provides essential electrical wiring diagrams for both indoor and outdoor units.

Daikin RXS25D2VMB Specifications

General IconGeneral
BrandDaikin
ModelRXS25D2VMB
CategoryAir Conditioner
LanguageEnglish

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