Litter-Robot: Carbon filter installation guide

Litter-Robot is equipped with a flexible carbon filter pad that is installed on the outer bottom area of the globe. This filter sits directly over the waste drawer to absorb odors. 

The carbon filter is not required for the unit to function. The OdorTrap® Packs may be used instead of the carbon filter.

 Jump to Litter-Robot 3 instructions 

Before you start

Parts required

• One (1) carbon filter pad
• (Optional) OdorTrap Packs (used as an alternative to carbon filter)

Note: Under normal use, a single carbon filter should last approximately one month. Replace as needed for optimal odor control.

Preparing the unit

1. Make sure Litter-Robot is in the Home position. 
2. Tap "Replace Filter" under Controls in the Whisker app or on the control panel
   1. Litter-Robot 5: Press and hold the Cancel button for 3 seconds. 
   2. Litter-Robot EVO: Press and hold the Cancel button for 3 seconds. 
   3. Litter-Robot 4: Press and hold the Cycle and Empty buttons on the control panel for 3 seconds.
      
3. A clean cycle will begin; the cycle will pause when the globe reaches the "replace filter" position.  
4. Open the bonnet: 
   1. Litter-Robot 4 and Litter-Robot 5: Lift and rotate the bonnet to its open position to reveal the filter pocket.
   2. Litter-Robot EVO: Remove the bonnet and set it aside.
      
      
5. Remove the filter cover: Lift the small notch to release the filter cover snaps from the globe. 

   Note: If the filter cover is not fully seated, it may contact a safety bar during the cycle. Make sure it is snapped in properly and cleaned/wiped.

   

6. Replace the carbon filter and snap the filter cover back into place.
   

Reassembling the unit

7. Close the bonnet: 
   1. Litter-Robot 4 and Litter-Robot 5: Rotate the bonnet down­ward over the globe and push down on the bonnet from the top to make sure it is latched and secure.
   2. Litter-Robot EVO: Replace the bonnet by aligning the tab at the back of the bonnet with the slot in the bonnet hinge. Rotate the bonnet downward with light pressure on the sides so that it hugs the globe. 
      
      
8. Short press the Cycle button to resume the clean cycle. 
   
9. Once the clean cycle has completed, zero the weight sensors: 
   1. Litter-Robot 5: Short press the Cancel button. 
   2. Litter-Robot EVO: Short press the Cancel button. 
   3. Litter-Robot 4: Short press the Reset button. 
      
      

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Litter-Robot 3: Carbon filter installation guide

Further reduce unpleasant odors with a fresh carbon filter, compatible with any Litter-Robot 3 model.

If you are using a Litter-Robot 3, the carbon filter is located in the waste drawer rather than in the globe.

Recommended: Replace carbon filters every month. 

Removing the carbon filter

1. Pull out the waste drawer and locate the carbon filter in the front wall.
   
   
2. Push the top edge of the filter downward to free it from the hooks.
3. Pull the filter out of the slot and discard it.

Installing the carbon filter

1. In the front wall of the waste drawer, slide the new filter into the slot.
2. Bend the top edge of the filter and slide it under each hook.
3. Adjust the filter, so it covers the front-facing vent completely.

Note: It is normal for the carbon filter to shed during installation. Simply wipe up or vacuum any debris.

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