Sanyo PLC WM5500L Owner's Manual

Contents

66Filter prevents dust from accumulating on the optical elements inside the projector. Should the filter becomes clogged withdust particles, it will reduce cooling fans’ effectiveness and may result in internal heat buildup and adversely affect the lifeof the projector. This projector has an electrically operated filter which helps you to replace the filter easily. The projectormonitors the condition of the filter at all time and replaces a filter with a new one automatically when it detects the clogging.If the projector reaches a time set in the timer setting (p.65), a Filterreplacement icon (Fig.1) appears on the screen and the WARNINGFILTER indicator on the top panel lights up (p.81). When you seethis icon, replace the filter as soon as possible (pp.30, 65). If thefilter is out of scroll and the projector reaches a time set in thetimer setting, Fig. 2 appears on the screen, indicating that the filtercartridge replacement is necessary.When the filter scroll is counted down to 0, the Last scroll icon(Fig.3) appears on the screen, indicating that there is one scroll leftin the filter cartridge (p.65).If the projector detects that the filter is clogged and no scroll is leftin the filter cartridge, a Filter cartridge replacement icon (Fig. 4)appears on the screen and the WARNING FILTER indicator on thetop panel lights up (p.81). When you see this icon, replace the filtercartridge (p.67) and reset the Filter counter (p.68) and the Scrollcounter (p.68).When the filter is being scrolled using the remote control (p.30)or the Filter control function in the setting menu (p.58), a Filterreplacement icon and Please wait message (Fig.5) appearon the screen and the WARNING FILTER indicator blinks slow(approx. 2 seconds ON, 2 seconds OFF) (p.81).The WARNING FILTER indicator blinks fast when the projectordetects an abnormal condition, the filter cartridge is not installedproperly, or the filter scroll is not working properly (p.81).Fig 1 Filter replacement iconFig 4 Filter cartridge replacement iconFig Last scroll iconMaintenance and CareNote:• Fig.1, Fig.2, Fig.3, Fig. 4 and Fig.5 will not appear when theDisplay function is set to Off (p.52) or during “Freeze” (p.30).• The filter cannot be rewound.• The filter can be scrolled 9 times since the filter cartridge has 10scrolls.• The filter cartridge is disposable. Do not clean and reuse thefilter cartridge.• Do not expose the filter cartridge to water or liquid, or it maycause a breakdown.• Replace the filter cartridge after all the scroll is used up. If youreplace the filter cartridge when there are some scrolls left inthe filter cartridge, the filter counter and the scroll counter do notrecognize the correct number of remaining scrolls and the resetfunction cannot work properly. It may cause a breakdown.• Do not use the filter cartridge with other projector. The filtercounter and the scroll counter do not recognize the correctnumber of remaining scrolls of the used filter cartridge and thereset function cannot work properly. It may cause a breakdown.Fig 5 Filter replacement icon andPlease wait message.• Make sure that the projection lamp is turn off when you arereplacing the filter cartridge. If you replace the filter cartridgewhen the projection lamp is turn on, the projector will be shutdown automatically for safety purpose.• Do not forget to reset the filter counter and the scroll counter inthe setting menu after replacing the filter cartridge. If you forgetto reset the filter counter and the scroll counter, the projectorcannot recognize the correct number of remaining scrolls andmay cause a breakdown.• When the projector is kept used for 3 minutes without getting thefilter cartridge replaced after the Fig.4 appears on the screen,the projector is turned off automatically to prevent the damage ofoptical components.Fig Filter Instructions