Error Code LED does not flash twice

Programming code not accepted — the device code was not valid or not recognized by the remote.

? What Causes This

Invalid programming code entered, incorrect code for the device brand, or code entry error.

Repeat the programming steps (Steps 2-4) with the next code listed for your device.
Try all available codes for your device brand.
If no codes work, use the device code search procedure (see Searching for Device Codes section).

Source: page 7 of the official manual

From the manual

This error code appears in: