Mitsubishi Electronics HC7900DW user manual Indicators, Normal condition, Abnormal condition

Indicators

This projector has two indicators, each of which shows the operation condition of the projector.

The following offer solutions to possible problems. If these problem persist, turn the projector off and consult your dealer.

POWER indicator STATUS indicator

Normal condition

POWER STATUS		CONDITION	NOTE
	Off	Stand-by
Steady		Lamp stand-by for power-off	The power cannot be turned on by pressing
red	Blinking
			the POWER button.
	green
	Blinking	Lamp stand-by for power-on	The power cannot be turned off by pressing
			the POWER button.
	green
Steady		The power is on. (Normal condition)
green	Steady
	green

Abnormal condition

POWER	STATUS	CONDITION	POSSIBLE SOLUTION
Steady		Abnormal temperature
		• The vents are clogged with dust or dirt.	• Clean the vents.
green
		• The room temperature is high.	• Relocate the projector to a cooler place.
or	Blinking orange
Steady
red
		The protection circuit is working or the lamp is in an	• Wait until the STATUS indicator goes out,
Steady		abnormal condition.	then press the POWER button.
	Blinking green		• If the above solution is not effective,
red
			replace the lamp.
		The lamp operation time exceeds the time elapsed	Replace the lamp.
Steady	Blinking green/red	until the shut-off time notice while the power is on.	Change with a new lamp if this problem
green		(See page 42.)	recurs.
		The lamp operation time exceeds the time elapsed
	Blinking red	until the shut-off time notice while the power is off.
		(See page 42.)
Steady
red		The lamp operation time exceeds the time elapsed
	Steady red	until the shut-off time. (See page 42.)
	Off	The lamp cover isn’t closed.	Close the cover correctly.
Blinking	Steady	Abnormal.	Contact your dealer.
green/red
	or
	Blinking

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