3M MP8625 manual Troubleshooting, Sympton/Solution Table, Message/Solution Table

Section 7: Troubleshooting

7.1		Sympton/Solution Table
		Symptom	Cause	Solution		ENGLISH
	Power cannot be turned		• The Main power is not turned on.	•Turn the MAIN POWER switch on.
	on.		• The power cord is disconnected.	•Insert the power cord into an AC socket.
	No picture and sound		• The setting of the input source is not	•Set the correct input using the input select button
			correct.	of the projector or the remote control.
			•RGB/Video/Audio wiring to projector is	•Connect the cable to correct input/output source.
			not correct.
	Sound is heard with		• RGB/Video wiring to projector is not correct.	• Connect the cable to correct input/output source.
				•Press the MENU button and increase
	no picture
			• The brightness is set fully to dark.	BRIGHTNESS.
	Picture is displayed		• Audio wiring to projector is not correct.	• Connect the cable to correct input/output source.
			• The volume is set to minimum.
				• Press the VOL button and increase VOLUME.
	with no sound
			• The unit is muted.	• Press the MUTE button.
	Color is weak and tint is		• The color and tint have been adjusted	• Adjust the color and tint correctly.
	incorrect		incorrectly.
	Picture is dark		• The brightness and contrast has been	•Adjust the brightness and contrast correctly.
			adjusted incorrectly.
			• The lamp needs to be replaced.	•Replace the lamp with a new one.
	Picture is not clear		• Projector is out of focus.	• Adjust the focus.
	LAMP indicator lights		• Lamp will not ignite.	• Turn off power and let cool for 20 minutes, then restart.
	red.			• If problem persists call your dealer.
	LAMP indicator blinks		• Air filter door on bottom of case is open.	• Ensure air filter door is closed.
	red.
	TEMP indicator lights		• Temperature inside projector is too hot.	• Do not block the ventilation holes.
	red.			• Clean air filter
	TEMP indicator blinks		• Cooling fan may be obstructed by metal	• Align metal screen.
	red.		screen under foam air filter.	• If fan blade is still obstructed, call service.
7.2		Message/Solution Table
	Error Message Displays		Cause	Solution
	NO INPUT IS DETECTED.		The projector is not detecting a signal.	Check cable connections to input device. Input device not
				connected to this input mode, switch to next mode.
	SYNC IS OUT OF RANGE.		The horizontal frequency of input signal	Switch projector to correct resolution.
			exceeds projector capability.	See Appendix A.5
	CHANGE THE LAMP.		Lamp operation time is greater than 1,900	Change the projector lamp and reset the lamp operation
	CALL A MAINTENANCE		hours.	hours to zero.
	PERSON.
	CHANGE THE LAMP.		Lamp operation time is greater than 1,980	Change the projection lamp and reset the lamp operation
	CALL A MAINTENANCE		hours which leaves 20 hours of lamp time.	hours to zero.
	PERSON. THE POWER
	WILL TURN OFF AFTER
	20 HOURS.
	CHANGE THE LAMP.		Lamp operating time is greater than 2000	Change the projector lamp and reset the lamp operation
	(Blinking message)		hours. Safety feature shuts projector down	hours to zero.
			after 10 minutes.
	CHECK THE AIR FLOW.		Air flow to cooling fan is blocked.	Clear air flow path to fan and clean air filter.
	© 3M 1998		3M™ Multimedia Projector MP8625		17