Sony ERS-210 Operating Instructions Manual page 58

Symptom
The chest light does not
turn off when you press
the pause button to make
AIBO pause.
AIBO soon asks for
charging even with a fully
charged battery pack.
No musical tone is
emitted from AIBO.
58
Cause/Remedy
There may be a problem with the internal
application.
c Remove the battery pack (page 33). When the
battery pack is locked, insert a pointing object
into the battery pack unlock hole to remove it
(4 on page 27). Re-insert the battery pack
and press the pause button again.
When the battery pack's operating time has
become noticeably short, it may have reached its
end of life. Replace it with a new battery pack
(page 33).
AIBO's musical tone is muted.
c Adjust the volume level (page 46).