Dometic b3200. What does error code e2 indicate?

A E1-F1 or E1-F2 is a faulty touchpad.
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thats an error sign check instruction manual and see what it means

open circuit or out of range indoor temperture sensor. locks out cool and heat.

check dc fuses and 120 breakers,. could be thermostat or relay board issue

Hi There,
The E2 error codes indicates there is an problem with one of the sensors.
Please contact our customer service department for information on repair.
1-800- 26- Danby

Thanks!

Indoor coil temp sensor defective. Replace it.

What does an E2 code mean?

I have a Haier Dehumidifier that is about a year old, I emtied the bucket and put the bucket back into place and hit the start button and nothing happen I unplugged the unit and error code E2 keeps comming on

As you are aware the technical manual for your range doesn't show an error code of E2 F2 but all of the F2 codes pertain to the touchpad of the range.
Can you clear the E2 F3 by pressing the cancel button? If not, shut off the power to the range for a few minutes and see if the error code goes away. If the error code remains You should unplug the range from the wall and remove the back panel for the control area. Disconnect the ribbon between the touchpad and the electronic control, clean the end of it and reconnect it.
If this doesn't repair the problem you will need to replace the touchpad on the range. The parts diagram lists two touchpads, they are part numbers 8273575- bisque, and 8272702- white.
E2 relates to an overheating condition. Quite possibly related to your touchpad issue. I'd try cleaning the contacts and if that doesn't work...Up to you at that point!

Good luck