switel DCT427, Руководство по эксплуатации

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− Troubleshooting −
119
14 Troubleshooting
Should problems arise with the telephone, refer to the following information first.
Faults Corrective measures
No telephone calls possi-
ble − The telephone line is not connected properly or is defective.
Only use the telephone connection cable supplied.
− Test whether the telephone connection is in order by using
another telephone.
− The power adaptor plug is not plugged in or there is a com-
plete power failure.
− The rechargeable standard batteries are empty or defective.
− The handset is too far from the base station.
Connection is disturbed or
cut off − The handset is too far from the base station.
− The base station is in an unsuitable location.
Dialling not possible − Dialling mode is set incorrectly.
The system no longer re-
sponds or is in an undefi-
ned state − Reset the default settings (refer to Section 13.1). Before
doing so, disconnect the power adapter plug briefly from the
power socket.
The charging control lamp
does not light up − Place the handset correctly in the base station, clean the
contact surfaces on the handset and the base station with a
soft, dry cloth.
The battery icon flashes in
the display after a few
hours − Place the handset in the base station for 14 hours. If this
does not help, replace the rechargeable batteries.
Display is dark − Caused by exposure to direct sunlight.
Allow the handset to cool down.
The caller number display
(CLIP) does not function − The caller number display function is an optional service
offered by telephone network providers. Contact your net-
work provider for further information.
− The caller has suppressed the transmission of their phone
number.
An "F" appears in the
7−segment display. − The answering machine memory is full Delete messages
from the memory.
The answering machine
does not take any calls − Ensure that the answering machine is connected correctly
and switched on.
− Check whether the answering machine memory is full. De-
lete messages from the memory, if necessary.
No memo can be re-
corded − Check whether the answering machine memory is full. De-
lete messages from the memory, if necessary.
No remote access func-
tions can be executed − Check that the correct security code has been entered for
the remote access.
− The telephone used for remote access must be set to Tone
dialling (DTMF).