!
error Duraflame
Error Code E1
Thermostat sensor is broken or disconnected.
? What Causes This
Sensor disconnection or malfunction
✓ How to Fix It
Check the thermostat sensor connection on the main circuit board. Replace if necessary.
Source: page 5 of the official manual
From the manual
This error code appears in:
Duraflame 10hm8000