What's Happening

The freezer temperature sensor has failed. The freezer may run constantly or not cool enough.

How to Fix It

Unplug for 5 minutes. If E1 returns, test the freezer thermistor and replace if readings are erratic.

Frequently Asked Questions
What does E1 mean on a Maytag fridge?
E1 means the freezer temperature sensor has failed.
Is E1 the same as E2?
No. E1 is the freezer sensor, E2 is the fridge compartment sensor.
How do I test it?
Unplug, disconnect the sensor, and measure resistance with a multimeter. It should change smoothly with temperature.