Redmond Excessive Foaming / Anti-Block Shield Clogging

Water or foam spurts out of the steam valve during cooking; food splatters on the lid.

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Possible Causes

Cooking foamy foods (porridge, beans) above recommended fill level, Anti-block shield clogged with starch, Steam release valve partially blocked

How to Fix / Troubleshooting

Safety first: Allow pressure to drop naturally before opening the lid.

  • Reduce fill level: For foamy foods, do not exceed half the pot capacity and add a small amount of oil to reduce foaming.
  • Clean anti-block shield: Remove the metal or plastic anti-block shield from under the lid and clean all holes and surfaces.
  • Clean steam valve: Disassemble and wash the steam release valve.
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Repair Difficulty

Very Easy 1/5

Required Part

Anti-Block Shield / Steam Release Valve
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