 As a team Preventive Maintenance to provide high quality of repair, maintenance and high profitability on slot machine. Check machine diagnose and analyze the error of machine Host Offline, B.V error, frequent slot offline, block out monitor, button panel, touch screen error, button broken, printer jam error, board monitor tilt, bill jam, trap card. make sure this error already troubleshot and for operational. As a Special project team always prepared the tolls using for project, Relocation, Pull out the machine. Get the type module and base socket, and labeling the location of machine, Unbolt/bolt seal top, align machine and slot base, reconnect DRS and link, set bill validator location. Troubleshooting of existing problem that affects the Slot Machines and Table Gaming Machines both hardware and software. Daily monitoring of Slot machines and Table Gaming machines.  Perform regular preventive maintenance of Slot machines and Bill Validator.  Perform Diagnostic test and error messages, fault isolation and restoration. Perform Firmware Upgrade Bill Validator and Conversion/Upgrade of Machine games.  Responsible for Slot Machines and Table Gaming Machines problem such as Monitor both  LCD and CRT, Bill Validator, Bill Stacker, Meter Failure, Buttons failure, Mother Boards, Busted  Ram cleared and setting configuration of machine.  Responsible in installation, expansion, testing, operation and maintenance and modify