Litter Robot 3 Utimate Troubleshooting Guide

The Litter Robot 3 is an incredibly popular automatic cat litter box which automatically detects when a cat has entered and exited, and rotates the main globe to sift and dump the used litter. It is subjected to conditions which most robots - if they had a choice, would prefer not to be subjected to. There's a lot of dust and debris which can cause issues, which leads to the robot not operating correctly. Customers often search online for a solution before contacting technical support, so this guide is intended to cover the most common situations. 


This is a companion discussion topic for the original entry at https://community.robotshop.com/blog/show/litter-robot-3-utimate-troubleshooting-guide
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No lights / No power / does not turn on
Symptom(s): No lights on control console; panel getting hot
Resolved by: Replace DFI sensor
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Blue flashing light
Symptom(s): Blinking blue light
Resolved by: Replacing DFI sensor; Clean contact pins
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Yellow flashing light
Symptom(s): Stops cleaning mid-cycle
Resolved by: Cleaning sensor contacts; Replace DFI sensor
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Red flashing light
Symptom(s):
Resolved by: Changing cat sensor
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All lights blinking
Symptom(s):
Resolved by:
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APP Connection problem
Symptom(s): LR3 goes offline for no reason
Resolved by: Updating software on Litter Robot
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Bad smell from LR3
Symptom(s): Bad smell / odor
Resolved by: Change cat’s food; clean drawer regularly; check where cat is urinating; check for urinary infection; add odor removal gel in drawer; Change litter type
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APP showing bonnet removed
Symptom(s): Bonnet removed error in APP
Resolved by: Replaced bonnet
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Cat sensor not working / Robot not cycling
Symptom(s): Robot doesn’t cycle, but can be cycled manually
Resolved by:
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Cannot find dump position
Symptom(s): Dump position error
Resolved by: Check / clean hall effect sensor
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2 Likes

Hi,
I have the above issue, but the topic was just closed up and locked without resolution. Is there a fix other than buying a whole new unit?
Thanks

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