User Manual

Table Of Contents
Troubleshooting
EZ-300 Owner’s Manual
65
Appendix
The volume is too soft.
The sound quality is poor.
The rhythm stops unexpectedly or will not play.
The recorded data of the Song, etc. does not
play correctly.
The LCD display suddenly goes dark, and all
panel settings are reset.
The batteries are low or dead. Replace all six batteries with completely
new ones, or use the included AC adaptor.
Power suddenly and unexpectedly turns off. This is normal and the Auto Power Off function may have been activated
(page 15). If you need to disable the Auto Power Off function, select
“Off” in the Function settings (Function 063; page 63).
When the instrument is turned on, power is turned
off suddenly and unexpectedly.
The protection circuit has been activated due to over current. This may
occur when an AC adaptor other than the one specified is used, or an
AC adaptor is damaged. Use the specified adaptor (page 94) only. If it
should appear to be malfunctioning, discontinue use immediately and
have it inspected by qualified Yamaha service personnel.
The application on your smart device doesn’t rec-
ognize the instrument.
Is Storage Mode set to ON? Make sure that Storage Mode is set to
OFF; refer to the function settings on page 63 (Function 059).
Problem Possible Cause and Solution