Quote:
Originally Posted by Gary57
I have a 2023 Greywolf with a Furrion thermostat. It shows a E3 code from time to time with the a/c or heat on or off. I’ve had this thing in and out of maintenance for this one problem since I bought it. (At least 6 times.) The other issueis when you turn on the heat it will heat up fine but it will not cycle back on until you hit the power button. While camping Saturday it wasngoing down to 19 outside. I turned the heat on and it came on fine. At 4am it was 34!degrees inside. I hit the power button and it came back on. Came home yesterday from camp and while I’m unloading the camper it started flashing E3 again . The thermostat is also in the off mode.
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An E3 error code will display indicating a loss of communication between the thermostat and control box. The system will shut down and require a main power reset to resume the mode selection. Once power is cycled, the system can resume by pushing the power button and reselecting the mode function.
Correcting E3 problem
https://lci-support-doc.s3.amazonaws...cd-0008565.pdf