Panasonic KX-UDT131 Operating Instructions Manual page 59

Problem
You cannot use the
handset during a
power failure.
The tone from the
Bluetooth headset
cannot be changed.
Noise is frequently
heard.
Two short beeps are
heard during a
conversation.
You charged the
battery for 3 hours, but
the beep tones sound,
and " " flashes
(needs to be charged)
after a few telephone
calls.
While charging the
battery, the handset
and the AC adaptor
feel warm.
"No Service" is
displayed, and beep
tones are heard.
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.
Document Version 2012-11
Possible Cause
The handset will not function
during a power failure because the
CS stops emitting radio waves.
The Bluetooth headset tone is a
specific tone and is not related to
the Incoming Option settings
(Ringer Type).
Nearby electrical appliances are
causing interference, or you are
too far from the CS.
The radio signal is weak.
The battery charge contacts may
be dirty.
It is time to change the battery.
These are normal conditions.
The handset is out of range.
The CS or phone service is out of
service.
The temperature of the battery
being charged is outside of normal
limits.
The battery is not charging
correctly due to an electrical
failure.
Solution
—
—
•
Place the handset and CS away
from other electrical appliances.
•
Move closer to the CS.
Move closer to the CS.
Clean the battery charge contacts
without damaging them and charge
once more.
Replace with a new battery.
—
Move closer to the CS or try again
later.
Consult your administrator or dealer.
Confirm that the area where the
handset is being charged is between
5 °C and 40 °C, and wait for the
battery's temperature to drop.
Unplug the AC adaptor from the AC
outlet, remove the battery from the
handset, and consult your dealer.
Operating Instructions
Appendix
59