WFCO WF-5318 / WF-5320 error code OVERLOAD
Control-panel overload indicator with alarm: too much current or power was drawn from the inverter for longer than its inrush margin allows, so output stopped to prevent equipment damage. The inverter automatically attempts to restart after 40 seconds; cycling it off and on restarts it sooner.
What to check, and in what order, is in the app. The flow WFCO WF-5318 / WF-5320 inverter - no 115 V output (shore, battery or dark remote panel) 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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