Daikin EKVDX / VAM Aircon UJ-35 Error Code: What It Means

What does Daikin UJ-35 mean?

Daikin EKVDX / VAM UJ-35 is listed as VAM abnormality or VAM-to-EKVDX system error in the EKVDX / VAM R32 ventilation fault list. This meaning comes from the manufacturer's own diagnostic material. Confirm the exact model, series, or signal row before accepting a parts quote.

What to do now

Use these steps to record evidence and match the installed model to its service manual before diagnosis or a repair quote.

Record UJ-35 and match the service manual
Record UJ-35 and stop there; the manufacturer gives no customer reset procedure. Arrange diagnosis with the matching service manual.
No manufacturer reset steps listed for UJ-35
Capture the complete UJ-35 error code and model stickers first. The manufacturer lists the meaning but no customer reset procedure; do not treat a generic power-cycle as manufacturer guidance.
Send these to us
UJ-35 error code, a clear display photo, Daikin EKVDX / VAM indoor and outdoor model stickers, the controller, gateway, or unit that reported the code, operating mode and affected area, and any power or setting changes made after the code appeared

Full manufacturer meaning

The lookup uses a concise label. The manufacturer's complete wording below preserves model-dependent alternatives for diagnosis.

Code, what it means, and what to check first
Code	What it means	What to check first
Full manufacturer meaning	VAM abnormality caused by a VAM fault, communication loss between VAM and EKVDX, an incorrect VAM connection setting, or outdated remote-controller firmware	The source reports this code from daikin ekvdx / vam wired controller. Confirm the installed model because the alternatives can be model-dependent.

Code
Full manufacturer meaning
What it means
VAM abnormality caused by a VAM fault, communication loss between VAM and EKVDX, an incorrect VAM connection setting, or outdated remote-controller firmware
What to check first
The source reports this code from daikin ekvdx / vam wired controller. Confirm the installed model because the alternatives can be model-dependent.

Guidance for your model

Notes that match the code to your exact model. Electrical, refrigerant, wiring, resistance and component checks are for a technician.

Guidance for your model
Detail	What it says
Singapore / model note	Daikin Singapore lists heat-reclaim ventilation and DX-coil air-treatment applications, but exact EKVDX suffix availability is not claimed. Apply this row only to a matching EKVDX32~100A2VEB and paired VAM system.

Detail
Singapore / model note
What it says
Daikin Singapore lists heat-reclaim ventilation and DX-coil air-treatment applications, but exact EKVDX suffix availability is not claimed. Apply this row only to a matching EKVDX32~100A2VEB and paired VAM system.

What to check before repair

The manufacturer's fault table gives the code's meaning, not a repair procedure. Capture evidence first; model-specific tests belong to the matching service manual.

Homeowner checks and technician confirmations
You can check	Technician should confirm
Photograph the complete UJ-35 error code before taking any action.	Confirm UJ-35 exactly and record which controller, gateway, or unit reported it.
Capture the Daikin EKVDX / VAM indoor and outdoor model stickers and identify which controller or unit reported it.	Match the indoor and outdoor model stickers, installed family, and reporting equipment to the source scope.
The manufacturer provides no customer reset procedure. Preserve the evidence and use the matching service manual for any system action.	Follow the matching service-manual procedure and keep measured test evidence before naming a failed part.

You can check
Photograph the complete UJ-35 error code before taking any action.
Technician should confirm
Confirm UJ-35 exactly and record which controller, gateway, or unit reported it.
You can check
Capture the Daikin EKVDX / VAM indoor and outdoor model stickers and identify which controller or unit reported it.
Technician should confirm
Match the indoor and outdoor model stickers, installed family, and reporting equipment to the source scope.
You can check
The manufacturer provides no customer reset procedure. Preserve the evidence and use the matching service manual for any system action.
Technician should confirm
Follow the matching service-manual procedure and keep measured test evidence before naming a failed part.

Source-bounded repair decision

Daikin EKVDX / VAM UJ-35 confirms the fault label the manufacturer lists, not a failed part or repair procedure. Match the installed model to its service manual and require measured diagnostic evidence before approving parts, settings, or refrigerant work.

Whether the reporting controller or unit and exact installed model are confirmed.
What the matching service-manual procedure and measured tests show.
Whether the proposed repair names the evidence for the failed part or condition.

Daikin UJ-35 questions

What does the Daikin UJ-35 error mean?

Daikin EKVDX / VAM UJ-35 is listed as VAM abnormality or VAM-to-EKVDX system error in the EKVDX / VAM R32 ventilation fault list. This meaning comes from the manufacturer's own diagnostic material. Confirm the exact model, series, or signal row before accepting a parts quote.

Can I fix a Daikin UJ-35 error myself?

No. UJ-35 needs a technician's measurement before parts are decided. Photograph the complete UJ-35 error code before taking any action. Capture the Daikin EKVDX / VAM indoor and outdoor model stickers and identify which controller or unit reported it.

Is it safe to keep running the aircon with a UJ-35 error?

Record UJ-35 and stop there; the manufacturer gives no customer reset procedure. Arrange diagnosis with the matching service manual.

What causes a Daikin UJ-35 error?

Daikin UJ-35 has a listed meaning that depends on the exact model and on which unit shows the code. Use the decoder on this page before assuming a specific cause.

Will a Daikin UJ-35 error need a repair or a full replacement?

Daikin EKVDX / VAM UJ-35 confirms the fault label the manufacturer lists, not a failed part or repair procedure. Match the installed model to its service manual and require measured diagnostic evidence before approving parts, settings, or refrigerant work.

What should I send a technician about a Daikin UJ-35 error?

Before booking, send: UJ-35 error code, a clear display photo, Daikin EKVDX / VAM indoor and outdoor model stickers, the controller, gateway, or unit that reported the code, operating mode and affected area, and any power or setting changes made after the code appeared.

Where to go next

Confirm the fault

Share the error code, model number and symptoms so we can assess the likely cause.

Not the right code?

Browse the full Daikin list or check a few codes in the same fault category.