Check lighting lamp at 4h floor result 1 lighting lamp off, 6th floor 1 lighting lamp off, 7th floor 3 lighting lamp off, 8th floor result 7 lighting lamp off. Replace lighting lamp 3 each at 7th floor  test on result 1 lighting lamp ON, connecting power cable lighting lap at 6th floor join with AFR lighting lamp result lighting lamp ON ( EDI & ADI & DADANG )