
TROUBLESHOOTING TABLE (CONTINUED)
Trouble
Possible Cause
Do this
If
Then
All voice terminals
have no lights and
no dial tone.
(continued)
Switch-controlled
power outlet
2.
3.
4.
Faulty power outlet
A module or car-
tridge is loose
Make sure the control unit is
not plugged into an outlet
controlled by a wall switch.
Test the outlet by plugging in
an appliance such as a lamp
or a radio.
Set the control unit power
switch to Off. Remove and
replace each module and
cartridge, making sure each
is securely seated in its slot.
Set the power switch back to
On.
the control unit is not plugged
go to step 3.
into a switch-controlled outlet
the appliance doesn’t work
the outlet is faulty.
the appliance works
go to step 4.
the red warning light goes out
the problem is solved. One of the
modules or cartridges was not
securely in place.
the red warning light remains on
contact your equipment supplier.
GENERAL TEST
If you are experiencing a problem not described in the previous tests, or if none of the tests reveal a specific problem, try the following procedure before calling your
equipment supplier.
Trouble
Possible Cause
Do this
If
Then
The system isn’t
The control unit may
1. Set the control unit power
the trouble remains
go to step 2.
working properly and
need to be reset.
switch to Off and then back to
the trouble isn’t
On.
described in the
Troubleshooting
A module or car-
2. Set the control unit power
the trouble remains
contact your equipment supplier.
tridge may be loose.
switch to Off. Pull out each
module and cartridge and re-
insert it, so that each module
and cartridge is securely
seated in its slot. Set the
power switch to On.
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