Understand What the Box Needs to See and Move
A self-cleaning litter box does its job with two simple abilities: it must detect that your cat entered and, crucially, that she has left, and it must move a rake or rotating mechanism through the litter to carry waste to a drawer. Dusty sensors undermine the first ability — a box that cannot reliably sense her exit may cycle late, cycle while she is still nearby, or refuse to cycle at all — and litter packed into the rake's teeth and tracks undermines the second, straining the motor with every pass. Almost all upkeep for these boxes is really about protecting those two abilities, which is why small, frequent cleaning beats occasional deep scrubbing.
Wipe the Sensors Every Time You Touch the Box
The sensors usually sit near the entrance rim and around the waste opening, where litter dust settles thickest because it is exactly where digging throws it. Whenever you empty the waste drawer or top up litter, take a soft, dry cloth — or one barely dampened if dust is clinging — and wipe each sensor lens or eye gently until it is clear, then check it looks unobstructed from the angle the box sees. Avoid sprays and scented cleaners on the sensors and surrounding plastic, because residues film over lenses and fragrances near the litter are as unwelcome to your cat here as in any tray. Make the wipe a fixed part of the drawer routine rather than a separate chore, and it will never be forgotten long enough to matter.
Clear the Rake Teeth and the Path It Travels
After scooping cycles, litter grains and sticky residue lodge between the rake's teeth and compact along the track or globe path the mechanism follows. With the box switched off and unplugged if its instructions require it, lift out loose litter from the working area, pick compacted grains from between the teeth with an old soft brush or cloth, and wipe the track so the rake can travel its full length without juddering. Dried urine residue is the stubborn part: soften it with a cloth dampened in warm water, give it a minute, and wipe again rather than scraping at plastic with anything hard that could score the surface and give the next build-up a grip. Consult the box's own manual for which parts may be removed and washed, and follow its limits rather than improvising.
The Waste Drawer Decides How Clean Everything Stays
Most sensor and rake problems trace back to a drawer left too long. As waste piles up, the rake starts pushing new clumps into old ones, smearing residue across the waste path and the sensors that watch it, and odour near the box rises sharply — which can put your cat off a box that is otherwise working perfectly. Empty the drawer on a set rhythm based on how fast your household fills it, rather than waiting for the fullest indicator or the smell, and wipe the drawer's rim and the opening it slides through while it is out. Check the litter level at the same time: too low and clumps stick to the base for the rake to fight; too high and digging buries the entrance sensors in thrown litter.
Put the Upkeep on a Visible Schedule
These boxes are sold as set-and-forget, but they work best as set-and-maintain-lightly: a two-minute wipe and rake check folded into drawer emptying, and a fuller clean on a regular day. In a shared household the risk is everyone assuming someone else wiped the sensors, until the box starts misbehaving and nobody knows when it was last cleaned. Writing the upkeep into the household's shared pet duties solves that ambiguity, and KinsLe provides the structure for it, since Care Teams lets you assign this cat's litter box upkeep to a named person and see each completed clean confirmed with its timestamp.