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Why does my Yarbo get stuck in the same place?

Robots do not get stuck at random. If yours stops in the same corner week after week, something is there, and it is usually something you can move in about ten seconds.

The short answer Look for what is in that spot rather than what is wrong with the robot. A place that fails on thirty separate visits is furniture, a slope, or a surface the wheels cannot hold, and all three are fixed in the yard rather than in software.

The three kinds of stuck

Something is thereMOST OF THEM

The sensors pick up the same object on visit after visit. A bin, a planter, a garden hose, a car. The robot is working correctly and telling you about an obstacle.

The ground beat itTRACTION

A wet slope, loose gravel, a lip it cannot climb. The wheels turn and the machine does not move.

It does not know where it isSIGNAL

Position confidence collapses and the robot stops rather than work blind. This looks like being stuck and is not.

Finding out which, and where

Yardstick keeps every reading your robot sent, so a place that keeps failing shows up as a count rather than a feeling.

The Always in the way list: each place the sensors picked something up on several separate visits, with the count. — **Always in the way.** Each entry is a place the sensors picked something up on several separate visits, with how many, how much of the readings, and how long a stretch it covers.

A line reading seen on 33 separate visits, picked up on 61% of readings across a 22 ft stretch is not a passing bird. It is something that lives there. Yardstick marks those on the map with a dashed ring so you can walk straight to the spot.

What it cannot tell you What the object is. The robot reports a distance, not an identity, so Yardstick reports a place and a count and leaves the naming to you. A spot that fails every single time is very often something that could simply be moved.

What to do about it

Go and look at the place

Yardstick gives the distance and direction from the dock, so the spot is findable without waiting to catch the robot in the act.
Move it, or draw around it

If it can be moved, move it. If it cannot, a small no-go zone drawn around it stops the robot trying, which is better for the robot and for the grass either side.
Watch whether the count stops growing

The number of visits is the test. If it stops climbing after you make a change, the change worked.

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Why does my Yarbo get stuck in the same place?

The three kinds of stuck

Finding out which, and where

What to do about it

Go and look at the place

Move it, or draw around it

Watch whether the count stops growing

Related

No-go zones

Missed patches

Error codes