VTech LS1250-B User Manual page 65

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there is no chime
from the doorbell
when it is pressed.
common cure for
electronic equipment.
This telephone is not equipped with a grounding function. Therefore, some of the
functions may be limited when used in PBX systems. Please contact the technical
support of the network provider for further information.
Make sure you install two AA batteries and
connect AC power supply to the doorbell.
The doorbell light on the doorbell flashes when
the doorbell is pressed. If the light doesn't flash,
the doorbell may have run out of battery. You may
need to replace new batteries.
Make sure the doorbell is registered to the
telephone system.
Make sure your handset is in reception range and
works probably.
Make sure the chime volume of your handset is
not set to off.
If there is an incoming call when the doorbell
is pressed, the handset will not respond to the
chime.
When three or more system handsets are in
use for a call at a time, video streaming will be
disabled.
If you have more than one doorbell, make sure the
other doorbell is not in use for video streaming.
Only one doorbell can be used for video streaming
at a time.
If the previous suggestions do not work, deregister
all devices and register them to the telephone
base again.
If the telephone is not responding normally, put the
handset in the telephone base. If it does not respond, try
the following (in the order listed):
Disconnect the power to the telephone base.
Disconnect the batteries on the handset.
Wait a few minutes before connecting power to the
telephone base.
Re-install the batteries and place the handset in the
telephone base.
Wait for the handset to synchronize with the
telephone base. Allow up to one minute for this to
take place.
64

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