Uniden DCX 640 - Manual (Page 77)

T R O U B L E S H O O T I N G [ 7 5 ] w w w . u n i d e n . c o m
Severe noise interference.
• Keep the handset away from microwave ovens, computers, remote control toys,
wireless microphones, alarm systems, intercoms, room monitors, fluorescent lights,
and electrical appliances.
• Move to another location or turn off the source of interference.
The Caller ID does not display.
• The handset was picked up before the second ring.
• The call was placed through a switchboard.
• Call your local telephone company to verify your Caller ID service is current.
You cannot register the handset
at the base.
• Charge the battery pack for 15-20 hours.
• Remove the base ID (see "Replacing the Base Setting" on page 28) and register the handset
(see "Register the Handset to the Base" on page 66).
The handset doesn't
communicate with
another handsets. • Remove the base ID (see "Replacing the Base Setting" on page 28) and register the handset
(see "Register the Handset to the Base" on page 66).
• Make sure that you have registered all handsets.
An extra handset can't join
the conversation.
• Make sure there are not 2 handsets already using the 3-way conference feature.
The handset or the base can't
join the conversation • Make sure that more than 2 handsets are not in use.
• When recording a conversation, the 2nd handset (or the base) cannot join the conversation.
The answering system does
not work.
• Make sure the base unit is plugged in.
• Make sure that the answering system is turned on.
• Make sure that the message record time is not set to Announce only (see page 56).
Messages are incomplete.
• The incoming messages may be too long. Remind callers to leave a brief message.
• The memory may be full. Delete some or all of the saved messages.
After a power failure, the
outgoing message is deleted.
• Record your greeting again. The default message should remain.
No sound on the base unit
speaker during call monitoring
or message playback.
• Adjust the speaker volume on the base unit.
• Make sure the call screen feature is set to on.
Symptom Suggestion
TROUBLESHOOTING