Mitsubishi Electronics HC3900 Indicators, Normal condition, Abnormal condition, Status 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.

STATUS indicator

POWER indicator

Normal condition

POWER	STATUS CONDITION	NOTE
	Stand-by
Steady red	Off
	Lamp stand-by (about 1 minute)	The POWER button cannot be used to
Steady green	Blinking green	switch between on and off.
	The power is on. (Normal condition)
Steady green	Steady green

Abnormal condition

POWER		STATUS		CONDITION	POSSIBLE SOLUTION
				Abnormal temperature
Steady green				• The ventilation grilles are clogged with dust or	• Clean the ventilation grilles.
	or	Blinking orange		dirt.	• Relocate the projector to a cooler
				• The room temperature is high.	place.
Steady red
				The protection circuit is working or the lamp is in an	• Wait until the STATUS indicator goes
				abnormal condition.	out, then press the POWER button.
Steady red		Blinking green			• If the above solution is not effective,
					replace the lamp.
				Lamp operation time warning. (Total lamp operation	Replace the lamp.
Steady green		Blinking green/red		time reached 3750 hours*1 while the power was on.)	Change with a new lamp if this problem
					recurs.
				Lamp operation time warning. (Total lamp operation
Steady red		Blinking red		time reached 3750 hours*1 while the power was off.)
				Lamp operation time warning. (Total lamp operation
Steady red		Steady red		time reached 5000 hours*1*2 while the power was
				off.)
			Off	The lamp cover isn’t closed.	Close the cover correctly.
Blinking green/red
				Abnormal.	Contact your dealer.

Steady or

Blinking green/red

Blinking

*1: Duration when LAMP MODE of the INSTALLATION menu is set to LOW. When it is set to STANDARD, this duration will be shorted.

*2: When LAMP MODE is set to STANDARD, this duration will be shorted up to 3000 hours.

EN-44