Issue 1 August 2011 27
Chapter 4: Troubleshooting Guidelines
Introduction
This chapter describes problems that might occur during both installation and normal operation
of the 9400 Series Digital Deskphones and possible ways of resolving these problems.
Operational Errors and Status Messages
Table 1 identifies some of the possible operational problems that you might encounter after
successful installation of the 9400 Series Digital Deskphones.
Table 1: Operational Error Conditions for 9400 Series Digital Deskphones
Condition Cause/Resolution
The message light on the telephone turns
on and off intermittently, but the telephone
never registers.
CAUSE: This is a hardware fault.
RESOLUTION: The telephone must be returned
to Avaya for repair.
The telephone
stops working in
the middle of a call,
AND no lights are lit
on the telephone and
the display is not lit.
CAUSE: Loss of power.
RESOLUTION: Check the connection between
the telephone and the jack.
The telephone was
working, but does
not work now,
AND no lights are lit
on the telephone and
the display is not lit.
CAUSE: Loss of power.
RESOLUTION: Check the connections between
the telephone and the jack.
Calls cannot be received. RESOLUTION: On the Station form in the
Avaya Aura Communication Manager
administration interface, make sure the Restrict
Last Appearance field is set to n for this station.
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