Hitachi ED-X3400, ED-X3450 has become heated, has become overcooled, The cooling fan is not operating, It is time to clean the air ﬁlter, Regarding the indicator lamps (continued)

Troubleshooting

Regarding the indicator lamps (continued)

POWER	LAMP	TEMP	Description
indicator	indicator	indicator	Description
indicator	indicator	indicator

			The cooling fan is not operating.
Blinking			Please turn the power off, and allow the unit to cool
Blinking			down at least 20 minutes. After the projector has
In Red	Turned		down at least 20 minutes. After the projector has
In Red		Blinking	sufﬁciently cooled down, please make conﬁrmation
or		Blinking	sufﬁciently cooled down, please make conﬁrmation
or	off	In Red	that no foreign matter has become caught in the fan,
Lighting	off	In Red	that no foreign matter has become caught in the fan,
Lighting			etc., and then turn the power on again.
In Red			etc., and then turn the power on again.
In Red			If the same indication is displayed after the treatment,
			If the same indication is displayed after the treatment,
			please contact your dealer or service company.
			There is a possibility that the interior portion
			has become heated.
			Please turn the power off, and allow the unit to cool
Blinking			down at least 20 minutes. After the projector has
Blinking			sufﬁciently cooled down, please make conﬁrmation of
In Red			sufﬁciently cooled down, please make conﬁrmation of
In Red	Turned	Lighting	the following items, and then turn the power on again.
or	Turned	Lighting	the following items, and then turn the power on again.
or	off	In Red	• Is there blockage of the air passage aperture?
Lighting	off	In Red	• Is there blockage of the air passage aperture?
Lighting			• Is the air ﬁlter dirty?
In Red			• Is the air ﬁlter dirty?
In Red			• Does the peripheral temperature exceed 35°C?
			• Does the peripheral temperature exceed 35°C?
			If the same indication is displayed after the treatment,
			please set the HIGH at the FAN SPEED of the item
			SERVICE of the OPTION menu.
			There is a possibility that the interior portion
Lighting	Alternative		has become overcooled.
Lighting	Alternative		Please use the unit within the usage temperature
In Green	blinking in Red		Please use the unit within the usage temperature
In Green	blinking in Red		parameters (5°C to 35°C). After the treatment, resent
			parameters (5°C to 35°C). After the treatment, resent
			the power to ON.
			It is time to clean the air ﬁlter.
Lighting	Simultaneous		Please immediately turn the power OFF, and clean
Lighting	Simultaneous		or change the air ﬁlter by referring to the section “Air
In Green	blinking in Red		Filter”. After cleaning or changed the air ﬁlter, please
			be sure to reset the ﬁlter timer. After the treatment,
			resent the power to ON.

NOTE • When the interior portion has become overheated, for safety purposes, the power source is automatically turned off, and the indicator lamps may also be turned off. In such a case, press the “” (OFF) side of the power switch, and wait at least 45 minutes. After the projector has sufﬁciently cooled down, please make conﬁrmation of the attachment state of the lamp and lamp cover, and then turn the power on again.