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Dometic FreshJet FJX error code E7

FaultAir Conditioning (Rooftop)Verified against the manufacturer's manual

Fault: outdoor temperature sensor. (Dometic FreshJet Series 4/7 rooftop AC - models FJX4333EEH, FJX7333IHP, FJX7337IHP, FJX7457IHP.) Cause per the service manual: outdoor ambient temperature sensor short circuit or open circuit.

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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