One gate acting in reverse

[Mark]

You have programmed 1 x gate Backwards or programmed the remote control into just cH 1 instead of CH2. You need to close both the gates manually then program the gates from the close possition.
Press learn limit , then use arrow button for gate 1 to send it open then arrow for gate 2 to send it open then press learn limit then use arrow to close gate 2 then arrow to close gate 1 then press learn limits and all should be fine.