Remote control does not operate the De'Longhi air conditioner; unit only responds to panel buttons.

1. Replace batteries: Install fresh, correctly oriented batteries in the remote.

• 2. Clear line of sight: Ensure there is no obstruction between the remote and the IR receiver window on the unit. Operate within the recommended distance (usually up to 7 meters).
• 3. Test remote output: Point the remote at a smartphone camera and press buttons. You should see a flashing light on the camera screen if the IR LED is working.
• 4. Clean IR window: Wipe the IR receiver window on the unit with a soft, dry cloth.
• 5. Replace remote or receiver: If the remote emits IR but the unit does not respond, the IR receiver board may be faulty and should be replaced. If the remote does not emit IR, replace the remote.