Magnum Energy MMS1012 Owner's Manual

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Magnum Energy MMS1012 Owner's Manual Manual pdf 42 page image

© 2010 Magnum Energy, Inc.364.0 Maintenance and Troubleshooting4.0 Maintenance and TroubleshootingRecommended Inverter and Battery CareThe MMS Series inverter/charger is designed to provide you withyears of trouble-free service. Even though there are no user-service-able parts, it is recommended that every 6 months you perform thefollowing maintenance steps to ensure optimum performance andextend the life of your batteries.WARNING: Prior to performing these checks, switchboth the AC and DC circuits OFF.• Visually inspect the batteries for cracks, leaks, or swelling –replace if necessary.• Use baking soda to clean and remove any electrolyte spills orbuildups.• Check and tighten all battery holddown clamps.• Clean and tighten (10 to 12 foot-pounds) all DC terminals(battery and inverter) and connecting cables.• Check and fill battery water levels (Liquid Lead Acid batteriesonly).• Check individual battery voltages (replace those that varymore than 0.3 VDC of each other).• Check all cable runs for signs of chafing – replace if necessary.• Check the inverter’s cooling vents – clean as necessary.RV/Marine Off-Season StorageWhen placing your coach or boat into seasonal storage, it is rec-ommended that you perform the following to ensure the system isproperly shut down (or properly configured for seasonal storage).This is especially important for maintaining the batteries.Perform the recommended maintenance steps noted above.Fully charge the batteries.Connect shore power (if available) and verify that the breakerto the battery charger is switched ON.Verify the inverter is switched OFF.Switch OFF all unnecessary AC and DC loads.•••••