NEC HT1100 User Manual

Also see for Showcase Series HT1100: Control commands Command guide Command guide Control commands Compatibility chart

Contents

NEC HT1100 User Manual Manual pdf 43 page image

E-43MAINTENANCEThis section describes the simple maintenance procedures you shouldfollow to replace the lamp, and to clean the cabinet and the lens.Replacing the LampAfter your lamp has been operating for 2000 hours (up to 3000 hours :Eco mode) or longer, the "Lamp" indicator in the cabinet will blink redand the message will appear. Even though the lamp may still be work-ing, replace it at 2000 hours (up to 3000 hours : Eco mode) to maintainoptimal projector performance.CAUTION• DO NOT TOUCH THE LAMP immediately after it has been used.It will be extremely hot. Turn the projector off, wait 90 seconds,turn off the main power switch, and then disconnect the powercable. Allow at least one hour for the lamp to cool before han-dling.• DO NOT REMOVE ANY SCREWS except the lamp cover screwand two lamp case screws. You could receive an electric shock.• The projector will turn off and go into stand by mode after 2100hours (up to 3100 hours : Eco mode) of service. If this happens,be sure to replace the lamp. If you continue to use the lamp after2000 hours (up to 3000 hours : Eco mode) of use, the lamp bulbmay shatter, and pieces of glass may be scattered in the lamphousing. Do not touch them as the pieces of glass may causeinjury.If this happens, contact your NEC dealer for lamp replacement.To replace the lamp:1. Loosen the lamp cover screw until the screwdriver goes into a free-wheeling condition and remove the lamp cover. The lamp cover screwis not removable.Interlock2. Loosen the two screws securing the lamp housing until the screw-driver goes into a freewheeling condition. The two screws are notremovable.3. Remove the lamp housing by pulling out the handle.NOTE: There is an interlock on this case to prevent the risk of electrical shock.Do not attempt to circumvent this interlock.4. Insert a new lamp housing until the lamp housing is plugged into thesocket.CAUTION: Do not use a lamp other than the NEC replacement lamp(LT60LPK).5. Secure it in place with the two screws.Be sure to tighten the screws.6. Reattach the lamp cover.7. Tighten the lamp cover screw.Be sure to tighten the screw.8. After you install a new lamp, from the menu select [Setup] →[Page2] →[Lamp Hour] to reset the lamp usage hours.If the projector will not be turned on after using 2100 hours (up to3100 hours : Eco mode) of service, press and hold the [Help] buttonon the remote control for ten seconds or longer to reset the lamp timeclock to zero.