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Trouble Shooting (check)
Description of Problem
-You do not receive external
calls
Possible Cause
-See receiving no internal
calls
-The CO line is not connec-
ted
-Faulty CO line?
-Access to CO line is Off
Possible Solutions
-Solutions as suggested for
receiving no internal calls
-Plug the telephone plug into
the telephone wall socket (?)
-Plug a telephone directly
into the telephone wall
socket to test the CO line
-Unplug the AC adapter and
pick up the handset from
extension 1. If you hear a
CO line dial tone then the
CO line and the connection
are in order.
-Switch access to the CO line
On, see operating instruc-
tions
