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Daikin FXAQ-P - User Manual

Daikin FXAQ-P
56 pages
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Service
Manual
VRV4 indoor units
ESIE15-11A
BRYQ-A
BYCQ-D
CAV/CYV
VKM
FXKQ-M
FXFQ-P
FXCQ-A
FXSQ-P
FXDQ-M
FXUQ-A
FXFQ-A
FXMQ-P
FXHQ-A
FXDQ-A
FXZQ-A
FXAQ-P
FXLQ
FXNQ
FXSQ-A
FXTQ-A

Other manuals for Daikin FXAQ-P

Questions and Answers

  • S
    Stephanie JohnsonSep 10, 2025
    What to do for Daikin FXAQ-P Air Conditioner error code A0?
    • D
      Darrell WolfeSep 12, 2025
      If your Daikin Air Conditioner displays error code A0, it may indicate a fault board. Check setting 22-1-3: T1-T2 NC. If correct, it indicates an indoor board fault.
  • J
    Joel GuzmanAug 25, 2025
    What does error code CE mean on my Daikin FXAQ-P?
    • W
      William GriffithAug 25, 2025
      Error code CE on your Daikin Air Conditioner indicates a problem with an optional sensor. The issue could stem from: * **No signal from optional presence sensor:** Check the wire harness connections. * **No signal from optional floor temperature sensor:** Check the wire harness connections. * **Faulty signal from optional floor temperature sensor:** Check the pins connector for a short circuit. * **High temperature detection or electric noise floor temperature sensor:** Check the resistance of the floor temperature sensor.
  • L
    Lindsay LopezAug 27, 2025
    What does error code C4 mean on Daikin FXAQ-P?
    • N
      Nancy FoleyAug 27, 2025
      Error code C4 on your Daikin Air Conditioner indicates a problem with the coil thermistor. This could be due to: * **Coil thermistor short circuit:** Check the coil thermistor resistance. * **Coil thermistor open circuit:** Check the wire harness connections to the coil thermistor.
  • B
    Brittany WalkerAug 27, 2025
    How to fix Daikin FXAQ-P Air Conditioner error code A3?
    • Q
      qjohnsonAug 28, 2025
      Daikin Air Conditioner error code A3 indicates that the float switch is open during thermo on (cooling). To resolve this issue: * Check the float switch status. * Ensure there is no blockage in the drain pipe. * Verify that the drain pipe raiser is less than 600 mm.
  • B
    breanna04Aug 29, 2025
    What causes Daikin FXAQ-P Air Conditioner error code C9 and how to resolve it?
    • P
      pjohnsonAug 29, 2025
      Daikin Air Conditioner error code C9 is related to the air thermistor. The cause may be: * **Air thermistor short circuit:** Check the air thermistor resistance. * **Air thermistor open circuit:** Check the wire harness connections to the air thermistor.
  • V
    Vanessa RodriguezNov 20, 2025
    What to do if my Daikin Air Conditioner shows error code AH?
    • R
      Ronald OrtizNov 21, 2025
      If your Daikin Air Conditioner displays error code AH, there are several potential causes related to the self-cleaning function. Here's what you can check: * **Communication Error:** Verify the wire harness connections between the main PCB and the self-cleaning PCB. * **Dust Detection Sensor Error:** Inspect the wire harness connections for the dust detection sensor. * **Dust Collection Error:** Look for any clogging caused by dust between the brush-arm and the dust collector box. * **Air Filter Rotation Error:** Examine the rotation mechanism of the air filter. * **Damper Rotation Error:** Check the rotation mechanism of the damper. * **Filter Cleaning Time Error:** This may occur if the filter auto-cleaning program could not be performed during a 24-hour operation. * **Aut...
  • A
    achangSep 18, 2025
    What does error code C6 mean on Daikin FXAQ-P Air Conditioner?
    • K
      Kristen WatsonSep 18, 2025
      Daikin Air Conditioner error code C6 indicates a faulty combination of the main PCB and the inverter PCB fan motor. Change the inverter PCB fan motor to the correct type.
  • C
    Catherine FuentesSep 22, 2025
    What does error code AJ mean on Daikin FXAQ-P Air Conditioner?
    • J
      Jamie BlankenshipSep 22, 2025
      Daikin Air Conditioner error code AJ can be caused by: * **Capacity adaptor missing:** Add the corresponding capacity adaptor onto the spare part PCB. * **Incorrect expansion valve motor:** Use the correct expansion valve motor (between gear type and direct drive).
  • A
    Antonio LeSep 9, 2025
    What does error code UE mean on Daikin Air Conditioner?
    • J
      Jesus MartinSep 9, 2025
      Daikin Air Conditioner error code UE indicates a communication error with the central control device. Check the communication from the indoor unit to central control. Verify the existing group number set on the indoor unit and the registered group number in the central control.
  • J
    James MooreSep 5, 2025
    What does error code U9 mean on Daikin FXAQ-P Air Conditioner?
    • Z
      zcookSep 6, 2025
      Daikin Air Conditioner error code U9 indicates a communication error between other indoor units and the BS unit. Check other indoor units for errors other than U9.

Summary

Part 2. Troubleshooting

Error Code and Data Retrieval

Guides on accessing error codes and diagnostic data from VRV units.

BRC1 D Controller: Error and Service Access

Accessing error codes and service menus via the BRC1D controller.

BRC1;2;3 E Controller: Error and Service Access

Accessing error codes and service menus via the BRC1/2/3E controller.

BRC4;7 Controller: Error Code Retrieval

Procedures for retrieving error codes using the wireless BRC4/7 controller.

Troubleshooting by Error Code

Detailed guide for troubleshooting based on specific error codes.

Part 3. Field Settings

Factory Settings and Reset

Procedures for performing factory resets and viewing default settings.

Default Field Settings by Unit Type

Default field settings for various indoor unit models.

Daikin FXAQ-P Specifications

General IconGeneral
BrandDaikin
ModelFXAQ-P
CategoryAir Conditioner
LanguageEnglish

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