Litter-Robot Flashing Red Light: What It Means and How to Fix It (LR3 vs LR4 vs LR5)

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Illustration of an automatic self-cleaning litter box with glowing red indicator lights

A red light on a Litter-Robot is a status signal, not a verdict — and its meaning changes completely between models. On the Litter-Robot 3 and 4, red is about the cat sensor or a mechanical fault. On the Litter-Robot 5, a blinking red LED means a product fault, and the LCD screen tells you … Read more

Litter-Robot Flashing Blue Light: What It Means and How to Fix It

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Illustration of an automatic self-cleaning litter box with glowing blue indicator lights

The short answer: A flashing blue light on a Litter-Robot means the waste drawer is full — or the unit thinks it’s full. On the Litter-Robot 3 and 4, this is the normal drawer-full indicator, not an error. Empty the drawer, make sure the liner is installed correctly, press Reset, and the light should return … Read more

Automatic Feeder Dispenses Manually but Not on Schedule? 8 Causes & Fixes

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Illustration of an automatic pet feeder with a clock and schedule icons

The short answer If your automatic feeder dispenses food when you press the manual feed button but never fires its scheduled meals, the dispensing hardware is very likely healthy — a successful manual feed is strong evidence the motor, power supply, and food path work. It doesn’t rule out intermittent faults, but it points the … Read more

Litter-Robot Flashing Yellow Light: What It Means and How to Fix It (LR3 vs LR4 vs LR5)

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Illustration of a paw print with glowing yellow indicator lights

The short answer A flashing yellow light on a Litter-Robot is a status signal, not a failure code — it’s the unit telling you a cycle was interrupted or that it needs attention. But the meaning is completely different depending on your model: Model What you see What it most likely means First thing to … Read more