Moccamaster
Steam Venting or Seal Leakage
Steam escaping from top cover or around outlet arm
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Possible Causes
Outlet arm not seated properly, Cracked or missing outlet arm grommet, Blocked outlet arm holes, Warped top cover
How to Fix / Troubleshooting
Safety: Steam can cause burns. Allow the unit to cool before touching the top area.
- Check outlet arm seating: Ensure the outlet arm is fully inserted into its socket and correctly oriented over the brew basket.
- Clean outlet arm: Remove and clean the outlet arm, clearing any blocked holes that may force steam out of joints.
- Inspect grommet/seal: Examine the rubber grommet or seal where the outlet arm enters the top cover. Replace if cracked, hardened, or missing.
- Check top cover: If the top cover is warped and not sealing properly, replace the cover to prevent steam leaks.
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Repair Difficulty
Very Easy
1/5
Required Part
Outlet Arm Grommet
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