noP
Cosori Failure to Reach Target Pressure

Display shows noP or No Pressure; unit times out without reaching pressure

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Possible Causes

Steam release valve left in Venting position, Worn or damaged sealing ring, Stuck float valve, Excessive evaporation due to insufficient liquid, Pressure sensor miscalibration

How to Fix / Troubleshooting

Safety first: Ensure the cooker is not under pressure before opening the lid.

  • Verify valve position: Set the steam release knob to Sealing and restart the program.
  • Inspect sealing components: Remove and inspect the silicone sealing ring, float valve, and anti‑block shield. Clean and replace any worn or damaged parts.
  • Check liquid amount: Ensure you are using at least the minimum recommended liquid (typically 1–2 cups) for pressure cooking.
  • Run a water test: Cook 2–3 cups of water on a pressure program. If noP still appears, the pressure sensor or control board may be faulty and require service.
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Repair Difficulty

Easy 2/5

Required Part

Silicone Sealing Ring
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