Dometic FreshJet FJX error code P1
Protection shutdown: supply under-voltage. (Dometic FreshJet Series 4/7 rooftop AC - models FJX4333EEH, FJX7333IHP, FJX7337IHP, FJX7457IHP.) Trip condition per the service manual: input voltage is below 130V +-5V.
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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- Dometic FreshJet Series 4 / Series 7 Operating Manual (9620001685)
- Dometic FreshJet FJX Service Manual (4445104172, EMEA2, 2025-03-10)
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