Daikin | SkyAir

Error Code UJ

Troubleshooting guide for the Daikin SkyAir system fault UJ.

Disclaimer: This information is for general reference. Error codes can vary by model and production year. Always refer to your machine's specific manual and the information printed on the unit itself.

System Diagnosis

Malfunction of transmission (accessory device)

Potential Causes & Solutions

  • Defect of accessory devices.
  • Faulty wiring.

Diagnose with Confidence

Use the ACLogics AI assistant to walk through this error code step-by-step.

Get the App

Included in Diagnosis Workflow

1

Ask

Upload nameplate & symptoms

2

Diagnose

AI identifies error UJ

3

Report

Generate professional PDF