Xantrex Freedom HF / similar inverters error code E11
Over-temperature detected on the AC transfer relay (in AC shore-power mode) - the unit stops charging but AC continues to pass through. May also be caused by the internal battery-charger system.
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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- Xantrex_Freedom_HF_1000-1800_Owners_Guide_975-0390-01-01_RevJ.pdf
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