Troubleshooting - Radio Shack 43-931 Owner's Manual

43-931.fm Page 28 Monday, August 16, 1999 2:49 PM

TROUBLESHOOTING

If your system is not working as it should, these suggestions
might help you eliminate the problem.
Problem
Blank screen
No dial tone on the
phone attached to the
caller ID unit
28
Solution
The System 931 is not receiving
power. Make sure the batteries
are installed.
Adjust the contrast as described
in "Adjusting the Display Con-
trast" on Page x.
Check if you have ordered caller
ID service from your local tele-
phone company.
Check all cabling to make sure
that all connections are secure.
Check installation.
Disconnect the caller ID unit and
reconnect phone to find out if the
phone works without the caller ID
unit.