How to Use a Teleporter to Travel (and Fix It When It Won't Work)
Traveling
Once two Teleporters are linked, using one is simple. Stand on the Teleporter block or right-click it, depending on how it is configured, and you are moved to the linked partner. There is no charge and no cooldown mentioned by the mod, so you can use it as often as you like.
Common Problems and Fixes
Nothing happens when I interact. The block is almost certainly unlinked. Re-do the Ender Shard linking steps on both ends.
I arrive at the wrong place. The Teleporter is linked to a different partner than you expected. Re-link it to the correct destination.
The link stopped working after I moved a block. Breaking a Teleporter clears its link. Place it again and re-link both ends.
I cannot link at all. Make sure you are holding Ender Shards, not Ender Pearls, and that you are interacting with the Teleporter block itself rather than the ground beside it.
Safety Notes
Before relying on a Teleporter, test it once while you have nothing valuable at risk. Confirm the arrival point is safe — not over lava, void, or inside a wall — since you will land exactly where the partner block sits. Build a small platform around each destination Teleporter so arrivals are always on solid ground.