User's ManualLithium-ion Storage Battery SystemModel No. LJ-SK84ANetwork AdaptorModel No. LJ-NA02- Thank you for purchasing a Panasonic product.Please read this User's Manual thoroughly before operating the system.For future reference, please keep this manual in a safe place.- For disposal, please contact your Household Hazardous waste depot.Table of ContentsSafety Precautions ............................................... 21. How the System Works ................................. 42. System Overview ........................................... 83. Control Panel ................................................. 94. Start and Stop Operation ............................. 105. Switching between Grid Operations andBack-up Operations ......................................116. Display Modes ............................................. 127. Date/Time Display and Setting .................... 138. User Setting ................................................. 159. Settings Overview ........................................ 2010. Inspection and Maintenance ........................ 2211. Troubleshooting ........................................... 2612. Specifications............................................... 2813. Warranty ..................................................... 30