Furrion E2 fault code — Water heater
Applies to: FWH09A-AM, FWH09AFA, FWH09AFA-AM, FWH09AFA-AB
What E2 means
The Furrion tankless water heater troubleshooting manual lists E2 as Detected fake flame signal.
Owner-safe checks
- Turn the water heater off.
- Do not continue use if flame is suspected when the heater should be off.
- Contact Furrion.
Service-only work
- Flame sensing, combustion, air pressure, fan, solenoid, sensor, board, LP, exhaust, and internal water-heater diagnosis is qualified service work.
Safety boundary
Do not run a gas water heater with abnormal flame, blocked venting, gas odor, or repeated lockout. Shut off LP/power and call service if the code persists.