Sanyo PLC-XU40 Owners Manual - Page 41
Maintenance - lcd projector
UPC - 086483046377
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APPENDIX MAINTENANCE WARNING TEMP. INDICATOR The WARNING TEMP. indicator flashes red when an internal temperature of the projector exceeds the normal temperature. The indicator stops flashing when the temperature of the projector returns to normal. ON -- OFF When the WARNING TEMP. indicator continues to flash, check the items listed below. 1 Ventilation slots of the projector may be blocked. In such an event, reposition the projector so that the Ventilation slots cannot be obstructed. TOP CONTROL 2 The Air filter may be clogged with dust particles. Clean the Air filter by following the section "AIR FILTER CARE AND CLEANING" below. RLEAPMLPACE 3 If the WARNING TEMP. indicator remains on after performing the above checks, the Cooling fans or the internal circuits may be malfunctioning. Contact service personnel from an authorized dealer or a service station. WATRENMIPN.G VOLUME - Warning Temp. indicator AIR FILTER CARE AND CLEANING Removable Air Filter prevents dust from accumulating on the surface of the Projection Lens and Projection Mirror. Should the Air Filter become clogged with dust particles, it will reduce Cooling Fans' effectiveness and may result in internal heat build up and adversely affect the life of the projector. Clean the Air Filter following the steps below: 1 Turn off the projector, and disconnect AC power cord from the AC outlet. 2 Turn the projector upside down and remove the Air Filter by pulling the latches upward. 3 Clean the Air Filter with a brush or wash out dust and particles. 4 Replace the Air Filter properly. Make sure that the Air Filter is fully inserted. CAUTION Do not operate the projector with the Air Filter removed. Dust may accumulate on the LCD Panel and the Projection Mirror degrading picture quality. Do not put small parts into the Air Intake Vents. It may result in malfunction of the projector. AIR FILTER Pull up and remove. RECOMMENDATION We recommend avoiding dusty/smoky environments when operating a projector. Usage in these environments may cause poor image quality. When using under dusty or smoky conditions, dust may accumulate on a lens, liquid crystal panels, or optical elements inside the projector. This condition may degrade the quality of a projected image. When the above symptoms are noticed, contact your authorized dealer or service station for proper cleaning. CLEANING PROJECTION LENS Follow these steps to clean the Projection Lens: 1 Apply a non-abrasive camera lens cleaner to a soft, dry cleaning cloth. Avoid using an excessive amount of cleaner. Abrasive cleaners, solvents or other harsh chemicals might scratch a surface. 2 Lightly wipe a cleaning cloth over the Projection Lens. 3 When the projector is not in use, replace the Lens Cover. 41