Furrion FWH09 (tankless) error code E2
Flame sensing interrupted during normal operation (buzzer sounds) — the control board lost the flame signal while the burner was running.
What to check, and in what order, is in the app. The flow Furrion FWH09 / F2GWH tankless — error code diagnostic walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- ccd-0005833.txt
Related codes
- E0Water-outlet temperature sensor fault. Control board cannot read…
- E1Flame sense fault during ignition. Burner attempted to light but…
- E3Over-temperature mechanical sensor faulty. Manual high-limit (ECO)…
- E4Water-inlet temperature sensor fault.
- E5Air pressure switch / blower circuit fault. Blower not running or…
- E6Temperature surge — output temperature swung outside expected range.
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