User`s manual

82
Appendix J
Troubleshooting
Cannot join a
conversation in progress.
The call privacy feature prevents another
set on the system from interrupting a
conversation. Make sure you press the LINE
button to release privacy. (See Call privacy on
page 21.)
•
The call privacy feature
does not work.
In some installations that have fiber optic
service (digital service to the building, analog
service within the building), the signals to the
extensions might not support the call privacy
feature.
•
Error tone (fast busy
signal) when making a
page call.
The Do Not Disturb feature is activated at the
extension you are calling.
•
A double beep sounds
every 30 seconds.
There is a call on hold at this extension. Press
and release the LINE button of the call on
hold to return to the call and turn off the
reminder beep.
•
Operation during a power
failure.
This phone operates during a power failure if
a working battery is installed. You are able to
answer calls with the handset and dial calls
using the dial pad keys and the one-touch or
redial features. No other features work until
power is restored. All programming is retained
during a power failure.
•
The screen displays AC
FAIL.
The phone has been disconnected from AC
power. When AC power is restored, the screen
returns to the usual display. One-touch and
redial numbers are retained until power is
restored.
•