Chefman Excessive Foaming / Blocked Anti-Block Shield

Water or starchy liquid spurts out of the steam release valve during pressure cooking.

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Possible Causes

Overfilled inner pot beyond max line, Cooking foamy foods (pasta, beans) without enough oil or fat, Clogged anti-block shield under lid, High starch buildup in steam path

How to Fix / Troubleshooting

Safety first: Keep clear of the steam vent. If liquid is spraying, cancel the program and allow pressure to drop naturally. Do not cover the vent.

  • 1. Check fill level: Ensure the inner pot is not filled above the recommended maximum for pressure cooking (usually 2/3 full, or 1/2 for beans and grains).
  • 2. Clean anti-block shield: Remove the shield under the lid and wash it thoroughly. Clear any starch or food particles.
  • 3. Adjust recipes: For foamy foods, add a small amount of oil and avoid using quick-release; use natural release to reduce splatter.
  • 4. Rinse steam path: After cooking, run a short steam cycle with just water to flush the vent system.
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Repair Difficulty

Very Easy 1/5

Required Part

Anti-Block Shield / Steam Release Valve
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