Furrion E8 fault code — Water heater
Applies to: F2GWH, Lippert PN 2022107551
What E8 means
The Furrion F2GWH manual lists E8 as air pressure switch not detected before ignition or cut off during normal operation.
Owner-safe checks
- Turn the appliance off.
- Check only for obvious exterior air-intake or exhaust blockage.
- Do not operate if the airflow path is blocked.
Service-only work
- Internal sensor, ignition, flame-sense, ECO, blower, pressure-switch, linear-valve, wiring, and controller diagnosis is qualified service work.
Safety boundary
Do not keep operating a tankless gas water heater with repeated display faults, abnormal heat, blocked exhaust, gas odor, or unstable hot-water temperature.