Multiple Phones Dead: No Dial Tone or Lights
Possible Cause 1: The LED on one system module is out.
What to do: If the green LED on the front of a module is out, try reseating the module in
the control unit.
■
If the LED lights, the problem is corrected.
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If the problem remains, call the hotline.*
Possible Cause 2: The green LEDs on several system modules are out.
What to do: If the LEDs on the front of several system modules are out, try reseating the
leftmost module of the ones with the lights out (see “Replacing System Modules” in the
PARTNER
II
Communications System Installation guide).
■
If the LEDs light, the problem is corrected.
■
If the problem remains, call the hotline.*
Other Problems with System
This procedure resets the system. Use it when you have any problems that are not
covered elsewhere in this chapter. The following procedure disconnects all calls in
progress, but does not erase any system settings.
Possible Cause: System needs a hardware reset.
What to do: Unplug the control unit’s power cord from the wall. Wait 10 seconds, then
plug it back in. If the problem remains, call the hotline.*
✽
In the continental U.S., help is available at 1 800 628-2888. Outside the continental U.S., call your
Lucent Technologies Representative or local Authorized Dealer.
Troubleshooting
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