Litter-Robot 5 bonnet removed error: the real fix
- Reopen and reclose the bonnet — using the side handles, all the way until it latches.
- Listen for the click — both latches should click when the bonnet is fully seated.
- Check the sensor contacts — on the bonnet and base for debris if it still won't detect.
- Wait five seconds — after closing — that's the normal detection window before the unit resumes.
- Globe won't rotate — the unit refuses to start or complete a cycle even though the bonnet looks properly closed.
- "Bonnet Removed" in the Whisker app — the app names the fault directly.
- Just cleaned the unit — this usually appears right after taking the bonnet off for cleaning or accessing the Globe.
Your cat can still use the box, but cycles aren’t reliable. Scoop once by hand today so waste doesn’t sit in the globe overnight.
Why the unit thinks the bonnet is off
The bonnet is a safety cover for the Waste Port as the Globe rotates, and the Litter-Robot 5 simply will not turn without it fully detected in place. Almost every case of this error traces back to the bonnet not being latched all the way, not a sensor failure.
The bonnet isn't fully latched
After cleaning or accessing the Globe, the bonnet needs to rotate all the way down until both side latches click. A bonnet that looks closed but isn't fully seated won't register as installed.
Debris on the sensor contacts
Litter dust or debris on the tabs, latches, or sensor contacts where the bonnet meets the base can prevent the unit from registering a properly closed bonnet, even when it's physically latched.
Reinstalling the bonnet carefully resolves this in under 10 minutes for nearly everyone.
How to fix it — step-by-step
See dust or debris on the contacts?
Wipe them clean before reinstalling the bonnet.
If the issue persists: replacement options
If the bonnet clicks fully into place on both sides, the contacts are clean, and the app still shows Bonnet Removed after several tries, this points to a sensor issue rather than an installation problem.
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For most owners this is a five-minute fix — reserve the WhiskerCare escalation for a bonnet that latches cleanly but still won't register.
Advanced troubleshooting & diagnostics
The bonnet feels closed but the app still says it's removed
A bonnet can look closed while one of the two side latches hasn't actually clicked in — this is the single most common version of this error. Reopen it fully with the side handles, then close it slowly and listen for both latches individually rather than pushing down once from the top.
Why won't the Globe rotate at all without the bonnet?
This is intentional. The bonnet acts as a cover and guard for the waste port as the Globe rotates, and the Litter-Robot 5 is built so the Globe simply cannot turn without the bonnet detected in place — a safety feature, not a bug. There's no way to bypass this, and you shouldn't try to.
Frequently asked questions
Why does my Litter-Robot 5 say Bonnet Removed when it's clearly on?
Most of the time one of the two side latches didn't fully click during reinstallation, even though the bonnet looks closed. Reopen it with the side handles and reclose slowly, listening for both latches.
Can the Litter-Robot 5 Globe rotate without the bonnet installed?
No — this is a built-in safety feature, not a fault to work around. The bonnet covers and guards the waste port during rotation, and the unit won't cycle until it's detected as fully installed.
How long should it take for the Litter-Robot 5 to detect the bonnet after closing it?
About five seconds. If it's been longer than that with the bonnet fully latched and the contacts clean, that points to a sensor issue worth raising with Whisker support.
Conclusion
Bonnet Removed almost always means one latch didn't fully click, not a broken sensor — reopen it, clean the contacts, and close it slowly listening for both clicks. If it still won't detect after that, tell us what you're seeing and we'll help you figure out the next step.
Still not fixed? Here’s what to do next.
Some faults are genuinely hardware, and no amount of cleaning or resetting will clear them. If you’ve worked through everything above and it’s still doing it, stop here rather than taking the unit further apart.
- Go to Whisker (Litter-Robot) directly. If the unit is still under warranty, let them replace the part rather than paying for it yourself — contact Whisker (Litter-Robot) support.
- Tell us what didn’t work. We rewrite bulletins when readers show us a case they don’t cover — compliance@pet-infrastructure.com. Tell us the model, what the lights are doing, and which steps you already tried.
- Ask other owners. r/litterrobot is active and full of people who have had the exact same fault on the exact same model. Search the sub before posting — the answer is often already there.
When to stop and call the manufacturer: if the fix needs the base opened, the motor or control board touched, or any tool beyond a screwdriver — stop. On a unit in this price range, opening it yourself usually voids the warranty, and a warranty repair costs nothing.
Did this actually fix it? 🐾
The complete Litter-Robot 5 bulletin library
Every Litter-Robot 5 bulletin published on the site, in one place:
| Bulletin | Covers |
|---|---|
| TB-LR5-001 | Litter-Robot 5 showing the wrong waste drawer percentage or a false Drawer Full alert?… |
| TB-LR5-002 | Litter-Robot 5 WasteID mixing up urine and feces, cycling too fast, or confusing which… |
| TB-LR5-003 | Whisker says a Litter-Robot 5 Pro firmware update can take 30 minutes and look frozen.… |
| TB-LR5-004 | Litter-Robot 5 won't cycle automatically? Here's every real cause — full drawer, sleep… |
| TB-LR5-005 | Litter-Robot 5 stuck on Obstruction Detected? Clear the dual pinch bars, fix a puffy… |
| TB-LR5-006 | Litter-Robot 5 globe stuck with a blinking red light? Fix the Overloaded Globe error —… |
| TB-LR5-007 | Litter-Robot 5 stuck on Globe Position Fault? Here's every documented cause —… |
| TB-LR5-008 | Litter-Robot 5 or Pro flashing red with Safety Bar Disconnect? Clear the pinch bars,… |
| TB-LR5-010 | Litter-Robot 5 or Pro stuck during WiFi setup? Fix credential errors, Bluetooth… |
| TB-LR5-011 | Litter-Robot 5 stuck on Motion in Drawer and won't cycle? Clear the notification,… |
| TB-LR5-012 | Litter-Robot 5 stuck on Extended Scale Activity for 30+ minutes? Check placement, zero… |
| TB-LR5-013 | Litter-Robot 5 or Pro suddenly offline after working fine? Reconnect automatically,… |
Written by Alberto Guardia
I’m a physician working in medical informatics, and I run Pet Infrastructure on my own — no team, no manufacturer sponsorship, no paid placements. I share my home with Wolfgang, a 13-year-old Chartreux with firm opinions about litter and none whatsoever about firmware.
How this page was put together. Every light code, button sequence and timing here is traced back to Whisker (Litter-Robot)’s own documentation, to official support articles, or to several owner reports that agree with each other — and the guide tells you which. Where something genuinely isn’t documented anywhere, I say so instead of filling the gap.
How I check every guide → · Last updated August 2026