Change one thing at a time. New automatic box? Keep old litter. New substrate? Only after box is accepted. Why sequencing is diagnostic, not caution.
Why Cats Reject Litter Boxes By Location
Your automatic box works fine. Your cat rejects it because of placement. Move it once and test for a week before concluding the unit failed.
Introduce an Automatic Litter Box Powered Off (Week 1)
Why I keep every new automatic litter box switched off for the first week, and the exact signal that tells you it’s finally safe to turn cycling on.
One Cat Won’t Use the Automatic Litter Box (Multi-Cat)
One cat holds out while the others adapted fine? How to tell if it’s the machine or the other cats, plus the fixes that actually work in a multi-cat home.
Cat Suddenly Not Using Litter Box? Medical Red Flags First
Your cat stopped using the litter box. Straining with little or no urine is a veterinary emergency. The medical red flags to rule out first.
Introducing an Automatic Litter Box to Multiple Cats
A new box in a multi-cat home isn’t an acclimation problem, it’s a resource problem. What five years with three cats taught me about who claims it first.