Hitachi CP-X2521WN, CP-X3021WN user manual Regarding the indicator lamps

Troubleshooting

Regarding the indicator lamps

When operation of the LAMP, TEMP and POWER indicators differs from usual, check and cope with it according to the following table.

POWER	LAMP	TEMP	Description
indicator	indicator	indicator
Lighting	Turned	Turned	The projector is in a standby state.
In Orange	off	off	Please refer to the section “Power on/off”.
Blinking	Turned	Turned	The projector is warming up.
In Green	off	off	Please wait.
Lighting	Turned	Turned	The projector is in an on state.
In Green	off	off	Ordinary operations may be performed.
Blinking	Turned	Turned	The projector is cooling down.
In Orange	off	off	Please wait.
			The projector is cooling down. A certain error
Blinking	(discre-	(discre-	has been detected.
In Red	tionary)	tionary)	Please wait until POWER indicator nishes blinking,
			and then perform the proper measure using the item
			descriptions below.
			The lamp does not light, and there is a possibility
			that interior portion has become heated.
			Please turn the power off, and allow the projector to
Blinking			cool down at least 20 minutes. After the projector has
			sufciently cooled down, please make conrmation of
In Red	Lighting	Turned
			the following items, and then turn the power on again.
or
	In Red	off	• Is there blockage of the air passage aperture?
Lighting
			• Is the air lter dirty?
In Red
			• Does the peripheral temperature exceed 35°C?
			If the same indication is displayed after the remedy,
			please change the lamp referring to the section
			Replacing the lamp.
			The lamp cover has not been properly fixed.
Blinking			Please turn the power off, and allow the projector to
			cool down at least 45 minutes. After the projector has
In Red	Blinking	Turned
			sufciently cooled down, please make conrmation of
or
	In Red	off	the attachment state of the lamp cover. After performing
Lighting
			any needed maintenance, turn the power on again.
In Red
			If the same indication is displayed after the remedy,
			please contact your dealer or service company.
			The cooling fan is not operating.
Blinking			Please turn the power off, and allow the projector to
			cool down at least 20 minutes. After the projector has
In Red	Turned	Blinking
			sufciently cooled down, please make conrmation
or
	off	In Red	that no foreign matter has become caught in the fan,
Lighting
			etc., and then turn the power on again.
In Red
			If the same indication is displayed after the remedy,
			please contact your dealer or service company.

(continued on next page) 100