PrSE
Cosori
Pressure Sensor Signal Out of Range
Display shows PrSE or Pressure Sensor Error and unit will not start
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Disconnected pressure sensor harness, Clogged pressure sensor tube, Failed pressure transducer, Control board ADC failure
How to Fix / Troubleshooting
Safety first: Unplug the cooker and ensure it is cool and depressurized.
- Inspect sensor tube: Remove the lid and locate the small tube leading to the pressure sensor. Clean any blockages with warm water and a thin brush, then dry completely.
- Check wiring: Remove the bottom cover and verify the pressure sensor connector is firmly attached to the main board.
- Replace sensor: If the tube and wiring are intact but the error persists, replace the Cosori pressure sensor assembly.
- Board diagnosis: Continued PrSE after sensor replacement suggests a main control board fault that should be addressed by a technician.
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Repair Difficulty
Hard
4/5
Required Part
Pressure Sensor Assembly
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