Yamaha M170 owner manual Disc playback

		TROUBLESHOOTING
Remote control
Problem	Cause	Solution
The remote control does not	The remote control may be operated	For information on the remote control
work for operating this unit.	outside the remote control operation	operation range, refer to “USING THE
	range.	REMOTE CONTROL” (page 5).
	The remote control sensor on this	Change the lighting or this unit’s
	unit may be exposed to direct	orientation.
	sunlight or lighting (inverted
	fluorescent lamps).
	The remote control mode selection	Select the mode that suits your purpose.
	may be improper.
	The batteries may be worn out.	Replace the batteries with new ones.

Disc playback

Problem	Cause	Solution
Some button operations do	Some discs do not support certain
not work.	this unit functions.
Playback does not start	The disc may not be set in the disc	Set the disc in the disc tray properly.
immediately when pressing	tray properly.
h.
	The disc may be dirty.	Wipe the disc clean.
	The disc loaded into this unit may be	Make sure you use a disc supported by
	not compatible.	this unit.
	When moved this unit from a cold	Wait for one to two hours, then try
	place to warm one, condensation may	again.
	be form on the disc reading lens.
The message “No Disc”	The disc may not be set in the disc	Set the disc in the disc tray properly.
appears in this unit display	tray.
even though a disc is
inserted.

APPENDIX

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