Thermostat flashing E1?

[Automatic_11]

Well I had the A/C running today/tonight while we were finishing loading it for our trip. I went back out there tonight and the A/C was still running and it felt pretty chilly but the thermostat was flashing E1....
We're leaving tomorrow on our trip. Any Ideas or suggestions?

Day one drove it home - $1200 repair - loose fan (6 days - warranty started)
First night camping - Stabilizer Jacks wouldn't retract. Still broke.
First time running A/C for extended period - A/C Thermostat flashing E1

Almost two weeks old..... what a record!

[DaveJordan]

Originally Posted by Automatic_11

Well I had the A/C running today/tonight while we were finishing loading it for our trip. I went back out there tonight and the A/C was still running and it felt pretty chilly but the thermostat was flashing E1....
We're leaving tomorrow on our trip. Any Ideas or suggestions?

Almost two weeks old..... what a record!

For the Dometic thermostat, according to a manual available here:

https://www.manualslib.com/manual/72...c-3313192.html

E1 Loss of communication between the Single Zone LCD thermostat and the module board. LCD will cycle between E1 and the previous mode setting. System will shut down.

Not sure exactly what that means, but maybe a loose wire?

It does seem like you're having more than your share of problems!

Good luck.

Dave

[Bama Rambler]

There's been a rash of "E1" reports lately on here. It's possibly a bad connection on one end of the 3-wire cable.

One thing you can try in order to get it back working is to initialize the thermostat.

On page 3 of the manual linked above is the procedure for doing that. I posted it below for convenience.

System Initialization
A system initialization will need to be performed by the installer after the system is installed. • Make sure the Single Zone LCD thermostat is in the Off condi- tion. See page 4, "Quick Reference To Control Buttons". • Press the "+" button and, while holding it, also press and hold the On/Off Mode button for three seconds. LCD will show ― ― . Press the On/Off Mode button again to turn system off. This completes the initialization.

If that doesn't work, you should contact your dealer to get it resolved.
There is a list of things to try to get it working, but on a unit that new, I'd just have the dealer fix it.