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SYMPTOM: All voice terminal fights are out; none has a dial tone
(continued).
Possible Cause 3: Faulty power outlet.
Do This
If Then
Test the outlet by plugging
The appliance doesn't work
The outlet is faulty.
in an appliance such as a
lamp or a radio.
The appliance works
Go to Possible Cause 4.
Possible Cause 4: A module is loose.
Do This If
Then
Set the control unit power
All modules are secure and
You've solved the problem.
switch to Off.
the red warning light goes
off
NOTE:
You will damage the
All modules are secure and
Contact your equipment
modules if you don't turn
the red warning light
supplier.
the power off.
remains on
Remove the top cover and
then remove and replace
each module, making sure
each is securely seated in its
slot. Replace the top cover
and fasten its screw. Set the
power switch back to On.
7-8
Section 7: Troubleshooting the System