Litter Robot 3. Blue flashing light reset then fash flashing yellow light

I require your help regarding a problem I’m encountering.

Description: My stud boy litter robot has started to play up as one of my other robots was recently.
Blue flashing light. Press reset it goes to fast flashing yellow.
The robot wont cycle, even if I switch it off for 10 seconds and on again.
I have cleaned all of the connector pins and circuit boards.

Hardware concerned:litter robot 3

Software concerned:

Troubleshooting steps already taken:
Cleaned sensors and pinch pins. Tried a hard reset. Removed bonnet and cleaned pins.
Disconnected power for 10 seconds with blue light on. Reconnected. Still not working or cycling.

Additional information:

Thank you so much in advance for your help!

Hello @Eskrimadiva ,

Welcome to RobotShop community.

We are sorry to hear that you are having trouble with one of your Litter-Robots.

Please provide us with the order and serial numbers for this robot.

Have you used isopropyl alcohol to clean the sensor?

Awaiting your reply.


Hi Ebram
Yes I have cleaned with isopropyl alcohol as you have suggested.
I will send the order details and S/N tomorrow.
Kind regards

Hi Ebram
My fiance bought the robot for me last April/May. Unfortunately he didn’t keep the order details.
His name is Jonathan Fitzpatrick-Warren at the same adress as me.
Are you able to find his order number?
Kimd regards