Yamaha DPX-830 13Troubleshooting, ◆Troubleshooting, No image appears on the screen

13Troubleshooting

◆Troubleshooting

Refer to the chart below when this projector does not function properly. If the problem you are experiencing is not listed below or if the instructions do not help, stop using the projector and contact your dealer.

No image appears on the screen.

Problem	Solution
Power can not be turned on.	• Check whether the indicators are on or off and how they are lightning.
		POWER	STATUS		Solution
				•	Connect the power cable to the projector.
		Off	Off	•	Plug the power cable into a wall outlet.

	• If any objects are blocking the air intake or exhaust vent, remove them and carry out the
	following.
	1.	Unplug the power cable from the wall outlet.
Off	2.	Make sure that the projector has cooled off.
	3.	Plug the power cable into the wall outlet.
	4.	Press the STANDBY/ON button.
	• If any objects are blocking the air intake or exhaust vent, remove them.

					• Don't expose the air exhaust vents to hot air emitted from a heating appliance.
			Blinking		• Clean the ventilation grilles.
		Steady red
			orange		• Relocate the projector to a cooler place.
					• After the STATUS indicator stops blinking, press the STANDBY/ON button.
					• If you unplug the power cable while the fan is rotating, the lamp may not turn on about
			Blinking		one minute when you plug the power cable next time.
					• The lamp can't turn on again for one minute after it goes out.
			green
					• Press the STANDBY/ON button several times.
					• Replace the lamp. (The lamp is at the end of its life.)
			Steady red
					• Attach the lamp cover on the bottom.
			Off
		Blinking
					• Unplug the power cable from the wall outlet and contact your dealer.
		red/green	Steady
				or
			Blinking
No image appears on the	• Check that the lens cap is removed.
screen.	• It may take about one minute for the lamp to light up.

	• The lamp fails to light up on rare occasions. In such cases, wait for a few minutes and then try again.
	• If the projector was turned off before the lamp cooled down completely, the fans may start rotating and the
		STANDBY/ON button may not function when you plug the power cable into the wall outlet next time.
		Wait for the fans to stop and press the STANDBY/ON button to turn on the lamp again.
	• Check that the intake vent is clean.
	• Check that the lamp cover is closed (see page 33).
	• Check that the cables connected to the external equipments are not broken.
	• If an extension cable is being used, replace it with the supplied cable for troubleshooting purposes. If
		images are now displayed correctly, add an RGB signal amplifier to the extension cable.
Projected images suddenly	•	The air intake or exhaust vent may be blocked. In such cases, the STATUS indicator blinks orange. After
disappear.		removing the objects blocking the intake vent and/or exhaust vents and then carry out the following
		procedure:
	1.	Wait for the air intake or exhaust fan to stop (or wait for the STATUS indicator to go out.)
	2.	Unplug the power cable from the wall outlet.
	3.	Wait about 10 minutes.
	4.	Plug the power cable into the wall outlet.
	5.	Press the STANDBY/ON button.
	6.	When the STATUS indicator is steady red, it is indicating that the lamp should be replaced.
		Replace the lamp with a new, commercially available lamp.

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