1493. Loosen the screws (4 screws for 1 fan), andremove the fan guard and the fan itself fromthe controller.4. Remove dust and dirt adhered onto the fan by air-blowing.ワㄐㄕㄊㄆ• Do not rinse the fan. This may cause failure of the electronic parts inside.5. Install the fan guard against the direction of arrow on theside of the fan indicating the air flow, as shown in the figureon the right (exhaust direction).ワㄐㄕㄊㄆ• Install the controller fan in the direction so that the air flow matches theexhaust direction.Fan installed in the wrong way causes the flow to go in the wrong way,which may failure of the product.6. Install the fan so that the fan cable will be routedin the place as shown in the figure on the right.Fasten the screws (M4, depth 35 mm) (4 screwsfor 1 fan) from the top of the fan guard to securethe fan to the controller.Tightening torque: 1.0 N·mワㄐㄕㄊㄆ• Be careful not to let the cable get caught while installing.7. Connect the connector for the fan. (Oneconnector for one fan)8. If you replaced the fans to new one, reset theruntime information in Laser Marker NAVI smart.Open “Runtime data” in “Maintenance” view and click “Reset”of the controller fan operating time.Fan guardFanScrewsFan guardAirflow directionFanScrewsConnectorFanME-LPGS-SM-8