Yamaha DPX-1200 manual Troubleshooting, To protect the lamp, you cannot turn on

Troubleshooting

Problem

Cause

Remedy

The DPX-1200 does not	The power cable is not plugged in.	Plug the power cable in firmly.
turn on.
	You attempted to turn on The DPX-1200	Wait for approximately two minutes.
	immediately after turning it off.	<MEMO>
		• To protect the lamp, you cannot turn on
		power for two minutes after you turn it off.
	The filter cover is not correctly attached.	Correctly attach the filter cover.
	The lamp cover is not correctly attached.	Correctly attach the lamp cover.
No picture.	The lens cover has not been removed.	Remove the lens cover.
	The DPX-1200 is not correctly connected	Check the connections.
	to the other components.
	The input signal has not been correctly	Select the correct input signal with the
	selected.	INPUT button.
		Press the AUTO button on the remote
		control.
		Use the menu to adjust the signal setting
		to suit the input setting.		[Initial]
	The picture is turned off.	Press the HIDE button again to cancel the
		HIDE function.
	The computer is not set to display on the	Set the computer to display on the external
	external monitor.	monitor. (Refer to the computer operating
		instructions.)
Image is unstable.	The connection cables are not correctly	Correctly connect the cables to the
	attached to the connectors.	appropriate connectors.
Picture is blurred.	The lens is not correctly focused.	Press the FOCUS button, and adjust the
		focus.
	The screen and the DPX-1200 are not	Adjust the projection angle and direction,
	facing each other directly.	and the height of the DPX-1200.
The image becomes	There is condensation on the DPX-1200.	Switch the DPX-1200 power off until the
cloudy.		condensation disappears.
Cannot adjust focus or	[Lens Adjustment Lock] in the menu is set	Set correctly.
zoom, or the vertical	to ON.	Set [Lens Adjustment Lock] to off.
position of the lens.		Press the MENU button to display the menu
		and select [Setup]	[Lens Adjustment
		Lock].
Remote control does	The batteries are exhausted.	Replace both batteries with new ones.
not work correctly.
	The remote control sensor is not set	Set correctly.
	correctly.	Press the MENU button to display the menu
		and select [Setup]	[Remote Control
		Sensor].
	There is a fluorescent lamp near the	Turn off the remote control sensor near the
	remote control sensor being used.	fluorecent lamp, and use the other remote
		sensor.
	The remote control code switch is	Set the remote control code switch to the
	incorrectly set.	same ID number as the setting on the
		“REMOTE CONTROL ID” in the setting menu.

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