The Source Manager 81‑0281‑12(205) Battery Charger is a high‑power industrial charger used to condition and maintain deep‑cycle batteries in motorhome and RV applications. Common failures include a tripped internal transfer switch that isolates the battery pack, degraded or corroded battery terminals, and overheating of the charger’s power stage due to poor ventilation or dust accumulation. For troubleshooting, first verify that shore power is present and at the correct voltage, then check the charge indicator LEDs for fault codes; next inspect all connectors for corrosion and ensure the battery terminals are clean and tight; finally perform a short‑circuit test on the output terminals while monitoring temperature rise to rule out internal component failure.[oss-gpt-20b]