Error code · Freezer

Electrolux Upright Freezer Code E1: Fail Safe Mode

Medium · inspection needed

Code: E1
Appliance: Freezer
Brand: Electrolux
Warranty: 30-day workmanship

What E1 means

An E1 alternating with the temperature on the Electrolux EILFU17GS and EILFU21GS upright all-freezers means the freezer has entered fail safe mode. The control found a temperature sensor, called a thermistor, giving a reading it cannot trust, so it runs on a built-in backup program instead of the real temperatures. The freezer usually keeps running, but it is no longer controlling the cabinet as precisely, and the display and alarm may sound. Pressing the mute button only quiets the alarm.

Common causes of E1

Cabinet temperature thermistor
Thermistor wiring or connector
Control unit reading the sensor

✓ One safe check you can try

1. Press the mute button to stop the alarm. 2. Check that the temperature shown on the display is still cold. 3. Keep the freezer door closed and avoid loading a lot of warm food. 4. Check that the door seals fully and nothing is holding it open. If E1 continues, call us for service.

! Why to stop there

Fail safe mode tells us a sensor reading is wrong, but not whether the sensor, its wiring or the control is responsible, so we test the thermistor.
We watch whether the freezer holds a steady temperature while it runs on the backup program.
We quote the work in writing before we start, so you decide with the price in front of you.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Freezer codes

High TempElectrolux ICON Freezer High Temp Light: Cabinet Above 23 F OFFElectrolux ICON Freezer Shows OFF: Cooling Turned Off Power FailElectrolux ICON Freezer Power Fail: Outage Warmed the Cabinet E8 / E9Electrolux ICON Freezer Codes E8 and E9: Temp Sensing Error HIElectrolux Upright Freezer Code HI: Temperature Too Warm CEElectrolux Upright Freezer Code CE: Communication Error E2Electrolux Upright Freezer Code E2: Stuck Key Error E7Electrolux ICON Freezer Code E7: Stuck Key Alarm

E1E1 questions

What is fail safe mode?

It is a backup way of running when the control stops trusting a sensor. The freezer keeps cooling on a fixed pattern, but it cannot react to the real temperature, so food can warm or freeze harder than intended.

Can I just mute it and carry on?

Muting quiets the alarm, but E1 stays until the sensor problem is dealt with. We would not leave valuable food in a freezer in fail safe mode for long.

How is E1 different from E2 and CE?

E1 is a sensor reading problem, E2 is a stuck key on the membrane keypad, and CE is a communication problem between the display and the control unit.

Book a visit

Still seeing E1?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 979-9150