No sound, or noise is heard, Hi dc in" appears in the display, O-n appears in the display when you press a button – Sony D-ES55 User Manual
Page 24: The battery life is short, Appears in the display, Appears in the display when you press a button
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When you press Ml, “00" appears in
the display for a moment, and
disappears. The CD does not play.
Rechargeable
battery
or
dry
batteries
are
used
up.
Charge
the
rechargeable
battery
or replace dry batteries with new ones.
No sound, or noise is heard.
Connect the plugs firmly.
Plugs
are
dirty.
Clean
the
plugs
with
a
dry
soft cloth periodically.
" H I d c I n "
appears in the display.
Use
only
the
supplied
AC
power
adaptor
or
recommended
AC
power
adaptor
AC-
E45HG (not supplied).
Use
only
the
car
battery
cord
listed
in
the
Recommended accessories.
O-n
appears in the display when
you press a button.
-> The buttons are locked. Press HOLD to
make
O—n
disappear from the display.
" L a
bdtt"
appears in the display
when you press a button.
The rechargeable batteries are used up
completely. Connect the AC power
adaptor and charge the batteries.
->■ The dry batteries are use up. Replace them
with new ones.
The battery life is short.
Manganese
batteries
are
used.
Use
alkaline
batteries.
Replace the batteries with new ones.
The volume is limited to a certain
level even if you attempt to turn it
up.
AVLS selector is set to LIMIT. Set it to
NORMAL.