Furrion FWH09 (tankless) error code E3
Over-temperature mechanical sensor faulty. Manual high-limit (ECO) switch or thermistor reading over-limit.
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-0009617.txt
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