Video Guides
Short, straight-talking troubleshooting videos on the gate, intercom, access control, and camera issues we get called about most. We'll show you the common causes and what to check — so you know what's going on before you pick up the phone.
If your LiftMaster gate opens fine but won't close — or reverses partway — it's almost always one of a few things. This quick guide covers the three most common causes, from photo-eye sensors to force settings, and when it's a service call.
Gate acting up? Get it fixed right →
One of the most common calls we get on DoorKing telephone entry systems. This 35-second guide covers the three usual culprits when a visitor's directory code won't connect them to the resident inside — and the one thing to check if none of those fit.
Have this problem? Get it fixed right →
More guides on the way — we add a new troubleshooting video regularly, covering gates, operators, cameras, and access control across the brands we service. Bookmark this page, or reach out if you've got a problem you'd like us to cover.
Past the DIY point?
Some fixes are quick; others need the right tools, parts, and know-how. If you're stuck, call or send a message and get a straight answer the same day.