Hello!What does error code E1 mean on a Haier refrigerator?

The E1 code is an error code that appears on the LED temperature display of some digital air conditioners. The error code could mean anything from dirty air filters to a damaged room thermistor, a device connected to your thermostat that detects room temperature.
https://www.quora.com/What-is-the-meaning-of-error-code-"e1"-in-the-Voltas-window-AC
Check All the Buttons: The E1 error code sometimes means that one of the control buttons is stuck, particularly on Haier models. Press all the buttons. If you find one that is sticking, free it, and the error code should disappear.
https://www.hunker.com/13407286/how-to-fix-an-air-conditioner-when-it-gives-you-an-e1-code

http://joeactips.blogspot.com/2013/08/haier-air-conditioner-error-e1-code.html
Some of the info in the link may help you ... E1 can evidently be a number of things ...

If the refrigerator or freezer displays error code, request a technician to check, please call the service
Different series display different error codes.
The error codes for the refrigerator: F1, F2. F3, F4, F5, F6, F7, EO, E1, E2, E6, Er, Ed, an so on
The error codes for the wine cellar: F1, F2. F3, F4, F5, H1. H2, A1, A2, E1, E2, EE, HH, LL, and so on
Notice: If you power off then power on, maybe the error code disappear, but it will display again after a few hours.

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This is what you error code means.
E1 = Room temperature sensor fault
Haier Air Conditioner Fault Codes


AC Repair Tamarac

The E1 code is an error code that appears on the LED temperature display of some digital air conditioners. The error code could mean anything from dirty air filters to a damaged room thermistor, a safety connected to your thermostat that detects room temperature. Troubleshooting the cause of this error code may improve your air conditioner's performance

Unfortunately. Haier does not have an online manual for your model AC. However, if you contact their Customer Support Dept 1-877-337-363, they can tell you what the code means and supply you with an Owner's Manual for future reference.

Hope this helped you.

As said in the question you are haier washing machine keeps stopping and displaying error code E1 this is due to the Error signal due to Pr. Sensor.This problem can be solved by only service Engineer.Thanks for your question.

a button is stuck ... try universaL REMOTE ...

Do you still the warranty for this unit? maybe you should contact the company which you bought the unit.