Toshiba TDP-TW420 owner manual Lens and main unit cleaning, Trouble indications, Lens cleaning

Lens and main unit cleaning

WARNING

•Request cleaning and maintenance of a ceiling-mounted unit from your projector dealership. Attempting to clean or replace the lamp in a high location by yourself may cause you to fall, resulting in injury.

N Lens cleaning

• Clean the lens with a commercially available blower and/or lens cleaner.

• The lens is easily scratched, so do not rub it with hard objects, or strike it.

N Main unit cleaning

•Unplug the power cord before cleaning the main unit.

•Wipe dirt off the main unit gently with a soft cloth.

•Do not wipe the main unit with a damp cloth. Doing so may allow water to get inside, resulting in an

electric shock or unit failure.

• Do not use benzene, thinner and the like as they may deform or discolor the unit or damage the paint surface.

• Do not use a chemically saturated cloth.

Others

Trouble indications

The indicator illuminates and a beep sound informs you of internal abnormalities.

	No power
(Off)	Ÿ Problem with projector
	• Unplug the power cord, and contact your dealer.

	Lamp went out during use, or won’t come on
	Ÿ Lamp temperature is high so that it is difficult to turn on, the
(Red lit)	lifetime of the lamp has ended or the projector is malfunctioning.
(Red flashing)	• Unplug the power cord and wait for a short while, then turn the
Or
	power back on.
	• If a lamp burns out, replace it with a new one.
(Red lit)
(Red lit)

	Power went out during use
	Ÿ Internal overheating, or the outside temperature is too high.
(Red lit)	• Place the projector so that the air intake and exhaust are not
(Red	blocked.
flashing)

•Unplug the power cord and wait for a short while, then turn the power back on.

	HThe	icon will appear before the power goes out.
	Power went out during use
	Ÿ Problem with internal cooling fan.
(Red lit)	• Unplug the power cord, and contact your dealer.
(Green	HThe	icon will appear before the power goes out.
flashing)
	Power went out during use, or power won’t come on
(Red lit)	Ÿ The lamp cover is not properly attached.
	• Unplug the power cord, and reattach the lamp cover. p.90
(Orange
flashing)
	Power went out during use
(Red lit)	Ÿ Problem inside the projector.
	• Unplug the power cord and wait for a short while, then turn the
(Orange lit)
	power back on.
Or
	• If the above action will not clear the problem, unplug the power
	cord, and contact your dealer.
(Orange	HThe	icon will appear before the power goes out.
flashing)

Note

• After there is an abnormal indication, the abnormal status remains until the main power
switch is turned off.	Others

92 93