Panasonic KX-TGP600G Operating Instructions Manual page 125

Problem
While charging the
battery, the LED
indicator blinks rapidly,
but the handset does not
beep.
While charging the
battery, the LED
indicator blinks rapidly
and the handset beeps
rapidly.
I cannot remember the
PIN number.
The "Delete All"
operation to delete all
phonebook entries is not
functioning.
Possible Cause
The temperature of the battery
being charged is outside of
normal limits.
The battery is not charging
correctly due to an electrical
failure.
A wrong type of battery such as
Alkaline or Manganese was
inserted.
—
Batteries are drained, which
prevents the operation from
being completed.
Solution
Confirm that the area where the
handset is being charged is
between 5 °C (41 °F) and 40 °C
(104 °F), and wait for the battery's
temperature to drop.
Unplug the AC adaptor from the
AC outlet, remove the battery from
the handset, and contact your
phone system dealer/service
provider.
Use only the rechargeable Ni-MH
batteries noted on Page 12, 13.
Contact your phone system dealer/
service provider.
Charge the battery fully, and then
try again.
For details, see "Charging the
Batteries" on Page 95.
Appendix
125