Hitachi HDPJ52 Indicator Cooling fan is not operating, Has overheated, Has become too cool

Troubleshooting

Regarding the indicator lamps (continued)

POWER	LAMP	TEMP	Description
indicator	indicator	indicator
			The cooling fan is not operating.
			Please turn the power off, and allow the projector to cool
			down for at least 20 minutes. After the projector has
Blinking			cooled down sufficiently, please confirm the following
Red	Turned	Blinking	items, and then turn the power on again.
or	off	Red	• Are any foreign objects caught in the fan?
Lit In Red			• Are there any magnetic objects on or near the projector?
			Please ensure that installation configuration/usage of
			the projector does not allow any foreign materials to be
			caught, or disrupt the rotation of the cooling fans.
			There is a possibility that the interior of the projector
			has overheated.
			Please turn the power off, and allow the projector to cool
			down for at least 20 minutes. After the projector has
Blinking			cooled down sufficiently, please confirm the following
Red	Turned	Lit In Red	items, and then turn the power on again.
or	off		• Is there blockage of the air passage aperture?
Lit In Red			• Is the air filter dirty?
			• Does the peripheral temperature exceed 35°C?
			If the same indication is displayed after trying the
			solutions above, please set the FAN SPEED of the
			SERVICE item in the OPTION menu to HIGH (54).
			There is a possibility that the interior of the projector
Lit In	Alternative blinking		has become too cool.
Green	Red		Please use the projector within the usage temperature
			parameters (5°C to 35°C). After applying the solution set
			the power switch to ON.
			It is time to clean the air filter.
			Please turn the power off immediately, and clean or
Lit In	Simultaneously		change the air filter referring to the “Air Filter” (58)
Green	blinking in Red		section. After cleaning or changing the air filter, please be
			sure to reset the filter timer. After applying the solution set
			the power switch to ON.

ENGLISH

NOTE • When the interior of the projector overheats, the power source is automatically turned off for safety purposes, and the indicator lamps may also be turned off. If this occurs, set the power switch to the “” (OFF) position, and wait at least 45 minutes. After the projector has cooled down sufficiently, please confirm that the lamp and lamp cover are properly fastened, and then turn the power on again.

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