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Er1

Ninja Foodi Pressure Cooker

Severity: Moderate

Source: OnlyErrorCodes.com — Every error code. One place.

Ninja Foodi Er1 Error — Temperature Sensor Fix

What it means

Er1 on the Ninja Foodi indicates a temperature sensor fault.
The cooker has detected an abnormal reading from its internal temperature sensor and has paused operation as a safety measure.
A soft reset clears Er1 in most cases.

Affected Models

  • Ninja Foodi OP300
  • Ninja Foodi OP400
  • Ninja Foodi OP500
  • Ninja Foodi OL500

How to Fix It

  1. Press Cancel and unplug the unit

    Press the Cancel button on the display, then unplug the Ninja Foodi from the wall outlet.
    Wait 5 minutes to allow the internal components to reset fully.

  2. Inspect the inner pot and base for debris

    Remove the inner pot.
    Check the inside of the base unit for any food debris, liquid spills, or residue around the heating plate.
    Clean with a dry cloth.
    Food or moisture near the sensor contacts can cause false Er1 readings.

  3. Ensure the inner pot is correctly seated

    Place the inner pot back in the unit, pressing it firmly down so it sits flat and level on the heating base.
    A tilted inner pot can cause uneven heat distribution and trigger sensor errors.

  4. Plug back in and test with water

    Plug the unit back in.
    Add 1 cup of water to the inner pot and run a short Steam or Pressure Cook cycle to test whether Er1 reappears.
    If the cycle completes without error, the reset was successful.

  5. Contact Ninja support if Er1 persists

    If Er1 appears on every cooking attempt after a reset, the temperature sensor may be faulty.
    Contact Ninja customer support at ninjakitchen.com/support — under warranty, a replacement unit is typically offered.

Frequently Asked Questions

Does Er1 mean my Ninja Foodi is broken?

Not always.
Er1 can be triggered by a temporary sensor misread, which a power reset usually clears.
If Er1 persists after cleaning and resetting, the sensor is likely faulty and the unit needs service.

Is Er1 covered under Ninja warranty?

Yes.
Ninja Foodi appliances typically carry a 1-year limited warranty.
If Er1 persists and the unit is within the warranty period, contact Ninja support for a free replacement or repair.