Furrion FWH09 (tankless) error code En
System timer error: water heater has operated continuously for longer than 20 minutes
What to check, and in what order, is in the app. A step-by-step flow walks this code 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
- E6Temperature surge — output temperature swung outside expected range.
- E7Solenoid (gas) valve fault.
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- E9Flame sensed before ignition (buzzer) — board detects flame current…
- FdWater heater operating in Winter Use Mode (freeze protection active)
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