44 45Regular MaintenanceQHow to remove/attach partsO RemovingPull out the front cover and remove it.O AttachingInstall the main unit Ⓐ into the groove of the driptray.ⒶGrooveFront CoverO RemovingRemove the front cover, and then press and shift both ends of the drip tray to detach. Then, pull out theair filter.Drip Tray Air FilterO AttachingInsert the air filter into the groove on the front cover all the way inside, then place the drip tray back in theoriginal position.GrooveInsert up toa deeper placeBackBottomDrip Tray/Air FilterO RemovingRemove the front cover first, and take out the oil tray.O AttachingFollow the reverse procedure to install the oil tray.Oil TrayClean this part once a month.QExhaust VentClean the rear exhaust vent witha toothbrush and a towelCare of your Oven When one of the following is displayed, oven maintenance is required. Continuing to use the oven maycause failure.Please contact the dealer or a service agent promptly. (p.49)O Displays until maintenance is done when the power plug is removed and reinserted or when there has beenno operation for a while. In addition, the oven will beep 6 times after completing cooking regardless of thesettings.Display CauseO Displays when the oven has been used for 17,500 hours.Please contact the dealer or a service agent to replace theparts.O Displays when the magnetron has been used 120,000 times.Please contact the dealer or a service agent to replace theparts.O The above time and number of operations is not a guarantee.