Troubleshooting Display Issues - Polycom VVX 1500 D User Manual

User Guide for the Polycom VVX 1500 D Phone

Troubleshooting Display Issues

Symptom
There is no display.
The display is incorrect.
The display has bad contrast.
The display flickers.
The touch screen turns off too
frequently.
The touch screen is always off
when I arrive at work.
The screen saver no longer
displays.
5 - 6
Problem
Power is not correctly applied to
the phone.
Outbound or inbound calling is
unsuccessful.
A certain type of older
fluorescent lighting causes the
display to appear to flicker.
The phone's power saving
settings are not set correctly.
The USB flash drive has been
removed.
The Screen Saver setting has
been disabled.
Corrective Action
• 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.
• 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.
• Move the phone away from the lights.
• Replace the lights.
Adjust the phone's power-saving settings
(for example, office hours, timeouts, and
user detection settings). For more
information, see Updating Power Saving
Settings on page 2-36.
• Make sure the USB flash drive is
correctly attached to your phone. For
more information, see
Optional USB Flash Drive
1-9.
• Make sure the Screen Saver setting
is enabled. For more information, see
Setting Up a Screen Saver
2-10.
Connecting an
on page
on page