Polycom VVXTM 1500 - Manual (Page 194)

User Guide for the Polycom VVX 1500 Phone
5 - 6
Displays
Audio
Symptom Problem Corrective Action
There is no display.
The display is incorrect.
The display has bad contrast. Power is not correctly applied to
the phone. Do one of the following:
•
Check that the display is illuminated.
• Make sure the LAN cable is inserted
properly at the rear of the phone (try
unplugging and re-inserting the
cable).
• If using Power over Ethernet (PoE),
have your system administrator check
that the switch is supplying power to
the phone.
Outbound or inbound calling is
unsuccessful. Do one of the following:
•
Place a call to the phone under
investigation. Check that the display
indicates incoming call information.
• Lift the handset. Ensure the dial tone
is present and place a call to another
extension or number. Check that the
display changes in response.
The display flickers. A certain type of older
fluorescent lighting causes the
display to appear to flicker. Do one of the following:
•
Move the phone away from the lights.
• Replace the lights.
Symptom Problem Corrective Action
There is no audio on the
headset. The connections are not correct. Do one of the following steps:
•
Ensure the headset is plugged into the
jack marked Headset on the back of
the phone.
• Ensure the headset amplifier (if
present) is turned on and/or the
volume is correctly adjusted. If the
amplifier uses batteries, check that
they are fully charged.