WFCO WF-5318 / WF-5320 error code BATT. LOW
Control-panel low-battery indicator with the audible warning: the battery input voltage has dropped below 11 volts. If it falls below 10 volts the inverter stops. (The high-side counterpart - alarm above 15 volts, stop above 16 volts - has no dedicated indicator named in the manual.)
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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- WF-5300 Series Pure Sine Wave Inverter Product Manual (WF-5318 / WF-5320)WFCO