Appendix
37
DD-65/YDD-60 Owner’s Manual
Troubleshooting .......................................................................
In many cases, problems or malfunctions that occur during use can be remedied easily.
Please check the following list before deciding that your instrument is damaged.
If the suggested remedy is ineffective, take the instrument to an authorized Yamaha
dealer for proper diagnosis and repair. Do not attempt to repair this digital instrument
by yourself as serious damage may occur.
Problem
Cause/Solution
A buzz or click occurs momentarily when the
instrument is turned ON or OFF
This is a normal power surge noise that occurs when the
POWER switch is operated.
The LED display is completely dark.
The batteries are low and should be replaced with a com-
plete set of six new batteries immediately. Ideally, an
optional AC adaptor should be used to power the instrument
(see page 8).
When the pads are struck, the display is dark
and returns to “
001
”.
The Custom Kit voice assignments have disap-
peared or defaulted.
When using a mobile phone, noise is produced.
Using a mobile phone in close proximity to the instrument
may produce interference. To prevent this, turn off the
mobile phone or use it further away from the instrument.
No sound comes from the speakers.
• The volume is set too low. Adjust the volume (see page
• A plug is inserted into the PHONES/OUTPUT jack and
should be taken out (see page 9).
• The LOCAL ON/OFF is set to OFF. Set the LOCAL ON/
The selected voice does not sound when the
pad is struck.
Use the PAD ASSIGN function to program the desired voice
to the appropriate pad (see page 16).
The desired voice has not been assigned to the
pad.
Suddenly “
FL
” appears and recording is
stopped.
The amount of recorded data has exceeded the limit of
10,000 notes.
Song is automatically started when Pad is
struck.
Pad Start is set to ON. Set Pad Start to OFF. (See page 23.)
