T
ROUBLESHOOTING
N
D
T
O
IAL
ONE ON THE
•
Check all cabling to make sure that all connections are secure.
•
Check installation (p. 3-8)
•
Disconnect the caller ID unit and reconnect phone to find out if the phone works
without the caller ID unit.
N
D
O
ISPLAY
•
Replace batteries.
•
Did you order caller ID service from your local telephone company? This unit
requires that you subscribe to caller ID service in order for it to work.
E
M
RROR
ESSAGE IS
SERVICE ERROR appears in the display if the unit detects anything other than valid
•
caller ID information during the silent period after the first ring. This message
indicates that there is noise on the line or that the telephone company has sent an
invalid message.
16
T
IPS
P
A
HONE
TTACHED TO THE
D
ISPLAYED
C
ID U
ALLER
NIT