PLUS Vision U4-237 user manual When an Indicator is Lit or Blinking, Thermal Protector

When an Indicator is Lit or Blinking

The indicators on the projector’s control panel lit or blink to notify of problems, as described below.

An indicator is also used to notify you of the currently set power mode (under normal circumstances). See “Power Cable Con- nections and Switching the Power On/Off” on page E-21.

STANDBY	STANDBY indicator
	CARD
	PC
STATUS	AUTO
SOURCE	QUICK
	MENU
STATUS indicator	MENU

		Indicator status	What you should do
STATUS	STANDBY When the power is on (Lit green)		It is time to replace the lamp.
		Standby (Lit amber)	Replace with a new lamp cartridge.
		Lit red
			The lamp has reached the end of its service life. The power
STATUS	STANDBY	Blinks amber for 60 seconds, then lit	will no longer turn on.
			The projector can be used for 100 hours after the lamp has reached
		amber
			the end of its service life.
		Lit red
			Replace with a new lamp cartridge.
STATUS	STANDBY	Lit red	The lamp cover is open.
			The lamp cover is not properly mounted. Mount it properly.
		Blinks red
		(lit for 1 seconds/off for 1 seconds)
			The temperature is abnormally high.
STATUS	STANDBY		• The temperature protector has been activated. If the room tem-
			perature is high, move the projector to a cool place. If the
		Lit red
			projector’s internal temperature is high, check the cooling fan’s
		Blinks red	ventilation slots and clean them if they are clogged.
			• When the temperature protector is activated, the power turns
		(lit for 0.5 seconds/off for 0.5 seconds)
			off and in some cases will not turn back on immediately. In this
			case wait about 90 seconds, then try again.
STATUS	STANDBY	Lit amber	The fan has stopped.
			Unplug the power cable and contact a store that sells the U4-237
		Blinks red
			for repairs.
		(lit for 0.5 seconds/off for 0.5 seconds)

STANDBY	When the lamp has burned out during use
	Blinks amber for 90 seconds, then lit amber
	When the lamp does not come on from the start
STATUS	Lit amber
	Blinks red
	(lit for 1 seconds/off for 1 seconds)

The lamp will not light.

Wait at least 90 seconds, then turn the power back on. If the problem persists, unplug the power cord and contact a store that sells the U4-237 for repairs.

Should an indicator be in a condition other than normal or flash at a rate other than the aforementioned, disconnect the power cable and contact your store of purchase.

Thermal Protector

When the temperature inside the projector becomes abnormally high, the STATUS indicator blinks red (0.5 seconds on/0.5 seconds off), the STANDBY indicator is a steady red, and at the same time the temperature protector operates and switches off the power of the projector.

Should this happen, please take the following actions.

1.Switch off the power and disconnect the power plug from the wall outlet.

2.Check the following matters and take the required measures.

When the projector is being used in a location that has a high ambient temperature, set it up again in a cool location. Check the outflow and intake holes and clean them if they are obstructed.

3.Wait about 60 minutes until the temperature of the projector drops.

If after having performed the above matters, the problem still has not been solved, please contact your store of purchase.

E-55