Troubleshooting - Panasonic KX-T7880 Reference Manual

TROUBLESHOOTING
The unit does not work.
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Set the POWER/RINGER switch to "ON."
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The unit was not connected properly.
(See pages 5 and 6.)
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The handset battery is weak. Charge the
battery fully, or replace with the fully
charged spare battery.
Sound flutters or fades.
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You are too far from the base unit. Move
closer to the base unit.
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Raise the base unit antenna.
Noise occurs.
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Place the base unit away from office
equipment such as computers.
I am encountering interference
from another unit.
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Set the handset and the base unit away
from other electrical appliances.
The handset does not ring.
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Set the POWER/RINGER switch to "ON."
The TALK/BATT. LOW indicator
flashes. Beep tones sound every 15
seconds during a conversation.
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Charge the battery fully, or replace the
handset battery with the spare battery in
the charging unit.
I charged the battery for 15 hours,
but the TALK/BATT. LOW
indicator starts to flash after a few
telephone calls.
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Clean the battery charge contacts and
charge once more.
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It is time to change the battery. Replace
with a new one.
I cannot use the unit during a
power failure.
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The unit will not function during a power
failure. We recommend you connect a
reserve standard telephone on the same
line. For parallel connection, see page 6.
While using the handset, an alarm
tone sounds continuously.
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Approach the base unit.
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Make sure that the AC adaptor is
connected to the base unit.
I cannot store a phone number into
memory.
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Do not pause for over 30 seconds while
storing.
While operating the unit, the AC
adaptor feels warm. While
charging the battery, the unit feels
warm. The SPARE CHARGE
indicator does not go out even after
charging for 15hours.
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These are normal conditions.
The unit does not ring when
receiving an intercom call in EMSS
mode.
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"Voice-Calling mode" is set. (Refer to
the manual of your PBX; Alternate
Calling - Ring/Voice.) "Voice-Calling
mode" is not available on this unit. Set to
the "Ring-Calling" mode.
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