Instant Pot Low-temperature heating fault in slow cook mode

Slow Cook mode runs but does not heat enough; food remains undercooked.

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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

Incorrect lid type used (pressure lid venting heat), Faulty temperature sensor, Control board not driving element fully in slow cook mode, Warped inner pot reducing heat transfer

How to Fix / Troubleshooting

Safety: Verify food reaches safe temperatures; do not consume undercooked meats.

  • 1. Use correct lid: For Slow Cook, use a glass lid or the pressure lid with the steam release set to Venting as recommended by the manual.
  • 2. Test with water: Run Slow Cook with water and measure temperature after 2–3 hours. Compare to expected slow cooker temperatures.
  • 3. Check inner pot contact: Ensure the pot is flat and fully seated.
  • 4. If temperatures are consistently low: The sensor or control board may be faulty and should be tested and replaced by a technician.
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Repair Difficulty

Medium 3/5

Required Part

Main Control Board (PCB)
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