Sanyo PLC-XT21 owner manual Lamp Replace indicator, Or replace the filter see below

Appendix

WARNING FILTER indicator

Indicators

POWER		LAMP	WARNING	Projector Condition
			FILTER
green		red
			orange
				The filter is clogged. Stop using the projector immediately and clean
				or replace the filter (see below).
	Filter warning red icon

–		–
			The Filter counter reached a set time. Clean or replace the filter as
			soon as possible.
	Filter warning yellow icon

If filter clogging is detected during operations, the Filter warning icon (red) appears on the screen and the WARNING FILTER indicator blinks orange, urging you to clean or replace the filter. Stop using the projector immediately and clean or replace the filter. The WARNING FILTER indicator and Filter warning icon will not be turned off until the filter is cleaned or replaced by a new one.

Filter warning icon (red) appears on the screen when the projector detects filter clogging.

✔Note:

•The Filter warning icon (red) will not appear during “Freeze” (p.31), or “No show” (p.32).

LAMP REPLACE indicator

Indicators

POWER	LAMP	LAMP	Projector Condition
		REPLACE
green	red
		yellow
			The lamp cannot light up. (The projector is preparing for stand-by or
			the projection lamp is being cooled down. The projector cannot be
			turned on until cooling is completed.)
			The lamp cannot light up. (The lamp has been cooled down enough
			and the projector is in stand-by mode and ready to be turned on with
			the ON/STAND-BY button.)
–	–		The lamp has been used overtime. Replace the lamp immediately
			and then reset the lamp counter. The indicator will be turned off
			after resetting the counter.

*When the projection lamp reaches its end of life, the LAMP REPLACE indicator lights yellow. When this indicator lights yellow, replace the projection lamp with a new one promptly. Reset the lamp counter after replacing the lamp. See pages 65–66.

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