Dukane 8755G-RJ, 8912-RJ user manual Phenomena that may be easy to be mistaken for machine defects

Troubleshooting

Phenomena that may be easy to be mistaken for machine defects

About the phenomenon confused with a machine defect, check and cope with it according to the following table.

Phenomenon	Cases not involving a machine defect	Reference
		page
	The electrical power cord is not plugged in.	12
	Correctly connect the power cord.
	The main power source has been interrupted during
	operation such as by a power outage (blackout), etc.	12, 15
	Please disconnect the power plug from the power outlet,
Power does not	and allow the projector to cool down at least 10 minutes,
	then turn the power on again.
come on.
	Either there is no lamp and/or lamp cover, or either
	of these has not been properly fixed.
	Please turn the power off and disconnect the power plug from	54, 55
	the power outlet, and allow the projector to cool down at least
	45 minutes. After the projector has sufficiently cooled down,
	please make confirmation of the attachment state of the lamp
	and lamp cover, and then turn the power on again.
	The signal cables are not correctly connected.	10
	Correctly connect the connection cables.
Neither sounds	Signal source does not correctly work.
nor pictures are	Correctly set up the signal source device by referring to the	–
outputted.	manual of the source device.
	The input changeover settings are mismatched.	16, 17
	Select the input signal, and correct the settings.
	The signal cables are not correctly connected.	10
	Correctly connect the audio cables.
	The MUTE function is working.	16
	Restore the sound pressing MUTE or VOLUME button on
Sound does not	the remote control.
come out.	The volume is adjusted to an extremely low level.	16
	Adjust the volume to a higher level using the menu function
	or the remote control.
	The AUDIO/SPEAKER setting is not correct.	35
	Correctly set the AUDIO/SPEAKER in SETUP menu.
	The lens cover is attached.	4, 15
No pictures are	Remove the lens cover.
displayed.	The signal cables are not correctly connected.	10
	Correctly connect the connection cables.

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