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Error code reference

Electrolux Ice Maker Error Code E6

Thermistor 1 out of range -10°F for more than 12 hours (actual temp under setpoint by 10 degrees for more…

Electrolux codesElectrolux ice maker codes

Thermistor 1 out of range -10°F for more than 12 hours (actual temp under setpoint by 10 degrees for more than 6 hours).

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  • Step-by-step tests with expected resistance, voltage, and continuity values
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What E6 means on a Electrolux ice maker

The E6 error code on an Electrolux ice maker indicates that Thermistor 1 has reported temperatures outside of acceptable operating parameters. Specifically, the code triggers under two related conditions: the sensed temperature remains at or below -10°F for more than 12 hours, or the actual temperature reads more than 10 degrees below the setpoint for a period exceeding 6 hours. Thermistor 1 is a negative temperature coefficient (NTC) sensor that continuously monitors the ice maker's internal temperature and feeds that data to the control board to regulate the freeze and harvest cycles.

When this thermistor reports sustained extreme cold, the control board interprets the situation as a system fault rather than normal operation. The root cause can be a failed thermistor sending an inaccurate low-resistance signal, a wiring issue creating a short or incorrect reading, or an actual refrigeration problem causing genuine over-cooling. If the refrigeration circuit is overperforming due to a stuck component or control board fault, the temperature may truly be dropping beyond the intended setpoint for extended periods.

Diagnosing E6 correctly requires distinguishing between a sensor fault and an actual temperature condition. A technician should check the thermistor's resistance value at a known temperature and compare it to the expected resistance curve for that sensor. Wiring continuity between the thermistor and the control board should also be confirmed. If the sensor and wiring test correctly, attention should shift to the refrigeration system and the board's ability to regulate compressor or cooling cycles accurately.

Source: manufacturer service documentation.

Common causes of E6

  1. 01

    Faulty Thermistor 1

    Part replacement

    The thermistor itself may have failed and is sending an out-of-range resistance signal to the control board, making the unit appear colder than it actually is. Testing the sensor's resistance at a known temperature and comparing it to the expected value will confirm whether the sensor is defective.

  2. 02

    Wiring or Connector Issue

    Wiring / connection

    Damaged wiring, a loose connector, or a short in the thermistor circuit can produce incorrect temperature readings without the sensor itself being faulty. Inspecting the harness and connector pins between Thermistor 1 and the control board for corrosion, damage, or poor contact is an important early step.

  3. 03

    Refrigeration System Over-Cooling

    Part replacement

    If the refrigeration circuit is running longer than intended, perhaps due to a stuck relay or a malfunctioning expansion component, the internal temperature may genuinely drop to the extremes that trigger E6. This would be confirmed if the thermistor tests within normal range but actual temperatures in the unit are verified as excessively low.

  4. 04

    Control Board Fault

    Part replacement

    The main control board may be misreading the thermistor signal or incorrectly managing the cooling cycle, leading to extended over-cooling conditions. If all sensors and refrigeration components test correctly, the board becomes the likely suspect.

See the test procedure for each cause

Frequently asked questions about E6

What does E6 mean on a Electrolux ice_maker?
E6 on an Electrolux ice maker means that Thermistor 1 has detected temperatures outside acceptable limits. The code triggers if the temperature stays at or below -10°F for more than 12 hours, or if the actual temperature is more than 10 degrees below the setpoint for over 6 hours. This indicates either a faulty temperature sensor, a wiring problem, or an actual over-cooling condition in the refrigeration system.
How do I fix the E6 error on my Electrolux ice maker?
Fixing E6 starts with testing Thermistor 1 for proper resistance output and inspecting the wiring between the sensor and the control board. If the thermistor is defective, replacing it is typically the repair. If the sensor is functioning correctly, the refrigeration system and control board should be evaluated for faults causing excessive cooling.
Will resetting my Electrolux ice maker clear the E6 error?
A reset may temporarily clear the E6 error code, but it will return if the underlying problem is not resolved. Because the code requires a sustained out-of-range temperature condition over several hours, a simple reset does not address a failed thermistor, wiring fault, or refrigeration issue. The root cause must be diagnosed and corrected for the error to stay cleared.
Is the E6 error on an Electrolux ice maker a safety concern?
The E6 code is not a fire or shock hazard, but it does indicate the ice maker is not operating within its intended temperature range. Sustained over-cooling can affect ice quality and may cause mechanical stress on components over time. It is best to have the unit inspected promptly rather than continuing to operate it with the fault present.
How much does it cost to repair an Electrolux ice maker showing E6?
Repair costs depend on the cause. If the fix is limited to replacing Thermistor 1, parts and labor typically range from around $80 to $200. If the control board or refrigeration components require service, costs can range from $150 to $400 or more depending on the parts needed and local labor rates.

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