Avaya 3910 Guia Do Utilizador

Possible Cause:  Hold Disconnect Time setting is too short.

What to do: Change  Hold Disconnect Time (#203)  from Short to Long.

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If calls on hold no longer disconnect, the problem is solved.

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If calls on hold still get disconnected, or the Hold Disconnect Time was already set to

Long, call the AT&T Helpline.*

Possible Cause 1: Control unit is not receiving power.

What to do: Make sure the control unit’s power cord is plugged securely into the wall
outlet. Also make sure the main circuit breaker (little plastic pop-up tab shown in Figure 1-1
in Chapter 1) is in the “ON” position (pushed in).

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If the green LEDs on the modules are lit and the trouble is gone, the problem is
corrected.

If the green LEDs on the modules are lit but the trouble remains, call the AT&T
Helpline.*

If the green LEDs on the modules are out, go to Possible Cause 2.

If any green LEDs on the modules are flashing, call the AT&T Helpline.*

Possible Cause 2: The power outlet may be faulty.

What to do: Test the outlet by plugging in an appliance, like a lamp or radio.

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If the appliance does not work, the outlet is faulty. If possible, plug the control unit
into a different outlet. Then check the fuse box or call an electrician.

If the appliance works, call the AT&T Helpline.*

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.

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If the LED lights, the problem is corrected.

If the problem remains, call the AT&T Helpline.*

Possible Cause 2: The 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 Plus Communications System Installation  guide).

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If the LEDs light, the problem is corrected.

If the problem remains, call the AT&T Helpline.*

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In the continental U.S., help is available at 1 800 628-2888. Outside the continental U.S., call your local

AT&T Authorized Dealer.

Troubleshooting