Troubleshooting Your Apollo 635 636 Circuit Board

Finding a replacement for your apollo 635 636 circuit board isn't as much of a headache as it used to be, but figuring out exactly why your gate stopped moving can still be a massive pain. If you've spent any time dealing with automatic gate openers, you know that the control board is basically the brain of the whole operation. When that brain decides to take a nap or gets fried by a summer thunderstorm, your heavy iron gate suddenly becomes a very expensive, very stationary fence. ...

May 12, 2026 · 6 min · Kramer Clarke