Our litter robot 4 blinks a single red light upon turning on (not the whole light bar, only below the power button). I believe the issue is the motherboard/main board right below the buttons. Is this part available to purchase? The only board I’m finding is for the cat sensor wit…

Hello, Welcome to the RobotShop community. We can help you order the circuit board. This component is available for repair, but it is not listed on our website. We are transferring your request into our system so we can proceed with the order for your replacement part. Kind r…

I need this part also . Please let me know how i can order it

you’re seeing *multiple unrelated failures so I am sure that its motherboard itself is the most likely culprit, (no lights, no response, no normal boot behavior) and if other parts like the power supply and cables have already been checked. I am sure your problem is solved till…

Can I get an email to buy this part again? Thanks !

Main/mother board was the issue for those searching for the answer.

Hello @AllisonLewis Welcome to the RobotShop community! To answer your question, if you see a flashing red and green light, the litter box needs to be recalibrated. Before assuming the motherboard is defective, simply perform the unit recalibration, as this signal does not nec…

So.. they can sell a $450 BASE… but cant sell a $50 part that would solve this lol

Good day, I have a LR4 that went dead after a few months of being stored in a shed…no power, no lights, just dead. I ordered a 15V 2amp power adapter to make sure it’s not the power supply and still nothing. I already had a new laser board and also replaced that and still noth…

RobotShop Community

Litter robot 4, main board/ motherboard

Help & Support Domestic Robots

MNPistagnesi January 26, 2026, 7:17pm 5

Hello @baobcs ,

Hello,

Welcome to the RobotShop community.

Please contact our support team through the “Contact Us” section on our official RobotShop website so we can process your request.

We will be happy to help you order the required part.

Kind regards,

https://www.robotshop.com/apps/robotshopapp/support